Merge pull request #372 from anaqreon/plugin-repo

Manage addon git repositories via the admin plugins page

64 files changed, 7210 insertions, 0 deletions

diff --git a/library/kzykhys/git/.travis.yml b/library/kzykhys/git/.travis.yml
new file mode 100644
index 000000000..ff4164104
--- /dev/null
+++ b/library/kzykhys/git/.travis.yml
@@ -0,0 +1,20 @@
+language: php
+
+php:
+  - 5.5
+  - 5.4
+  - 5.3
+
+before_script:
+  - composer require --no-update satooshi/php-coveralls:dev-master@dev sensiolabs/security-checker:dev-master
+  - composer update --dev --no-interaction
+  - git config --global user.name "John Doe"
+  - git config --global user.email "example@example.com"
+
+script:
+  - mkdir -p build/logs
+  - phpunit -c phpunit.xml.dist --coverage-clover build/logs/clover.xml
+  - php vendor/bin/security-checker security:check composer.lock
+
+after_script:
+  - php vendor/bin/coveralls
\ No newline at end of file
diff --git a/library/kzykhys/git/README.md b/library/kzykhys/git/README.md
new file mode 100644
index 000000000..b2f6635af
--- /dev/null
+++ b/library/kzykhys/git/README.md
@@ -0,0 +1,1347 @@
+PHPGit - A Git wrapper for PHP5.3+
+==================================
+
+[![Latest Unstable Version](https://poser.pugx.org/kzykhys/git/v/unstable.png)](https://packagist.org/packages/kzykhys/git)
+[![Build Status](https://travis-ci.org/kzykhys/PHPGit.png?branch=master)](https://travis-ci.org/kzykhys/PHPGit)
+[![Coverage Status](https://coveralls.io/repos/kzykhys/PHPGit/badge.png)](https://coveralls.io/r/kzykhys/PHPGit)
+[![SensioLabsInsight](https://insight.sensiolabs.com/projects/04f10b57-a113-47ad-8dda-9a6dacbb079f/mini.png)](https://insight.sensiolabs.com/projects/04f10b57-a113-47ad-8dda-9a6dacbb079f)
+
+Requirements
+------------
+
+* PHP5.3
+* Git
+
+Installation
+------------
+
+Update your composer.json and run `composer update`
+
+``` json
+{
+    "require": {
+        "kzykhys/git": "dev-master"
+    }
+}
+```
+
+Basic Usage
+-----------
+
+``` php
+<?php
+
+require __DIR__ . '/vendor/autoload.php';
+
+$git = new PHPGit\Git();
+$git->clone('https://github.com/kzykhys/PHPGit.git', '/path/to/repo');
+$git->setRepository('/path/to/repo');
+$git->remote->add('production', 'git://example.com/your/repo.git');
+$git->add('README.md');
+$git->commit('Adds README.md');
+$git->checkout('release');
+$git->merge('master');
+$git->push();
+$git->push('production', 'release');
+$git->tag->create('v1.0.1', 'release');
+
+foreach ($git->tree('release') as $object) {
+    if ($object['type'] == 'blob') {
+        echo $git->show($object['file']);
+    }
+}
+```
+
+API
+---
+
+### Git commands
+
+* [git add](#git-add)
+    * $git->[add](#git-addstringarraytraversable-file-array-options--)(_string|array|\Traversable_ $file, _array_ $options = [])
+* [git archive](#git-archive)
+    * $git->[archive](#git-archivestring-file-string-tree--null-stringarraytraversable-path--null-array-options--)(_string_ $file, _string_ $tree = null, _string|array|\Traversable_ $path = null, _array_ $options = [])
+* [git branch](#git-branch)
+    * $git->[branch](#git-brancharray-options--)(_array_ $options = [])
+    * $git->branch->[create](#git-branch-createstring-branch-string-startpoint--null-array-options--)(_string_ $branch, _string_ $startPoint = null, _array_ $options = [])
+    * $git->branch->[move](#git-branch-movestring-branch-string-newbranch-array-options--)(_string_ $branch, _string_ $newBranch, _array_ $options = [])
+    * $git->branch->[delete](#git-branch-deletestring-branch-array-options--)(_string_ $branch, _array_ $options = [])
+* [git cat-file](#git-cat-file)
+    * $git->cat->[blob](#git-cat-blobstring-object)(_string_ $object)
+    * $git->cat->[type](#git-cat-typestring-object)(_string_ $object)
+    * $git->cat->[size](#git-cat-sizestring-object)(_string_ $object)
+* [git checkout](#git-checkout)
+    * $git->[checkout](#git-checkoutstring-branch-array-options--)(_string_ $branch, _array_ $options = [])
+    * $git->checkout->[create](#git-checkout-createstring-branch-string-startpoint--null-array-options--)(_string_ $branch, _string_ $startPoint = null, _array_ $options = [])
+    * $git->checkout->[orphan](#git-checkout-orphanstring-branch-string-startpoint--null-array-options--)(_string_ $branch, _string_ $startPoint = null, _array_ $options = [])
+* [git clone](#git-clone)
+    * $git->[clone](#git-clonestring-repository-string-path--null-array-options--)(_string_ $repository, _string_ $path = null, _array_ $options = [])
+* [git commit](#git-commit)
+    * $git->[commit](#git-commitstring-message-array-options--)(_string_ $message, _array_ $options = [])
+* [git config](#git-config)
+    * $git->[config](#git-configarray-options--)(_array_ $options = [])
+    * $git->config->[set](#git-config-setstring-name-string-value-array-options--)(_string_ $name, _string_ $value, _array_ $options = [])
+    * $git->config->[add](#git-config-addstring-name-string-value-array-options--)(_string_ $name, _string_ $value, _array_ $options = [])
+* [git describe](#git-describe)
+    * $git->[describe](#git-describestring-committish--null-array-options--)(_string_ $committish = null, _array_ $options = [])
+    * $git->describe->[tags](#git-describe-tagsstring-committish--null-array-options--)(_string_ $committish = null, _array_ $options = [])
+* [git fetch](#git-fetch)
+    * $git->[fetch](#git-fetchstring-repository-string-refspec--null-array-options--)(_string_ $repository, _string_ $refspec = null, _array_ $options = [])
+    * $git->fetch->[all](#git-fetch-allarray-options--)(_array_ $options = [])
+* [git init](#git-init)
+    * $git->[init](#git-initstring-path-array-options--)(_string_ $path, _array_ $options = [])
+* [git log](#git-log)
+    * $git->[log](#git-logstring-revrange---string-path--null-array-options--)(_string_ $revRange = '', _string_ $path = null, _array_ $options = [])
+* [git merge](#git-merge)
+    * $git->[merge](#git-mergestringarraytraversable-commit-string-message--null-array-options--)(_string|array|\Traversable_ $commit, _string_ $message = null, _array_ $options = [])
+    * $git->merge->[abort](#git-merge-abort)()
+* [git mv](#git-mv)
+    * $git->[mv](#git-mvstringarrayiterator-source-string-destination-array-options--)(_string|array|\Iterator_ $source, _string_ $destination, _array_ $options = [])
+* [git pull](#git-pull)
+    * $git->[pull](#git-pullstring-repository--null-string-refspec--null-array-options--)(_string_ $repository = null, _string_ $refspec = null, _array_ $options = [])
+* [git push](#git-push)
+    * $git->[push](#git-pushstring-repository--null-string-refspec--null-array-options--)(_string_ $repository = null, _string_ $refspec = null, _array_ $options = [])
+* [git rebase](#git-rebase)
+    * $git->[rebase](#git-rebasestring-upstream--null-string-branch--null-array-options--)(_string_ $upstream = null, _string_ $branch = null, _array_ $options = [])
+    * $git->rebase->[continues](#git-rebase-continues)()
+    * $git->rebase->[abort](#git-rebase-abort)()
+    * $git->rebase->[skip](#git-rebase-skip)()
+* [git remote](#git-remote)
+    * $git->[remote](#git-remote)()
+    * $git->remote->[add](#git-remote-addstring-name-string-url-array-options--)(_string_ $name, _string_ $url, _array_ $options = [])
+    * $git->remote->[rename](#git-remote-renamestring-name-string-newname)(_string_ $name, _string_ $newName)
+    * $git->remote->[rm](#git-remote-rmstring-name)(_string_ $name)
+    * $git->remote->[show](#git-remote-showstring-name)(_string_ $name)
+    * $git->remote->[prune](#git-remote-prunestring-name--null)(_string_ $name = null)
+    * $git->remote->[head](#git-remote-headstring-name-string-branch--null)(_string_ $name, _string_ $branch = null)
+    * $git->remote->head->[set](#git-remote-head-setstring-name-string-branch)(_string_ $name, _string_ $branch)
+    * $git->remote->head->[delete](#git-remote-head-deletestring-name)(_string_ $name)
+    * $git->remote->head->[remote](#git-remote-head-remotestring-name)(_string_ $name)
+    * $git->remote->[branches](#git-remote-branchesstring-name-array-branches)(_string_ $name, _array_ $branches)
+    * $git->remote->branches->[set](#git-remote-branches-setstring-name-array-branches)(_string_ $name, _array_ $branches)
+    * $git->remote->branches->[add](#git-remote-branches-addstring-name-array-branches)(_string_ $name, _array_ $branches)
+    * $git->remote->[url](#git-remote-urlstring-name-string-newurl-string-oldurl--null-array-options--)(_string_ $name, _string_ $newUrl, _string_ $oldUrl = null, _array_ $options = [])
+    * $git->remote->url->[set](#git-remote-url-setstring-name-string-newurl-string-oldurl--null-array-options--)(_string_ $name, _string_ $newUrl, _string_ $oldUrl = null, _array_ $options = [])
+    * $git->remote->url->[add](#git-remote-url-addstring-name-string-newurl-array-options--)(_string_ $name, _string_ $newUrl, _array_ $options = [])
+    * $git->remote->url->[delete](#git-remote-url-deletestring-name-string-url-array-options--)(_string_ $name, _string_ $url, _array_ $options = [])
+* [git reset](#git-reset)
+    * $git->[reset](#git-resetstringarraytraversable-paths-string-commit--null)(_string|array|\Traversable_ $paths, _string_ $commit = null)
+    * $git->reset->[soft](#git-reset-softstring-commit--null)(_string_ $commit = null)
+    * $git->reset->[mixed](#git-reset-mixedstring-commit--null)(_string_ $commit = null)
+    * $git->reset->[hard](#git-reset-hardstring-commit--null)(_string_ $commit = null)
+    * $git->reset->[merge](#git-reset-mergestring-commit--null)(_string_ $commit = null)
+    * $git->reset->[keep](#git-reset-keepstring-commit--null)(_string_ $commit = null)
+    * $git->reset->[mode](#git-reset-modestring-mode-string-commit--null)(_string_ $mode, _string_ $commit = null)
+* [git rm](#git-rm)
+    * $git->[rm](#git-rmstringarraytraversable-file-array-options--)(_string|array|\Traversable_ $file, _array_ $options = [])
+    * $git->rm->[cached](#git-rm-cachedstringarraytraversable-file-array-options--)(_string|array|\Traversable_ $file, _array_ $options = [])
+* [git shortlog](#git-shortlog)
+    * $git->[shortlog](#git-shortlogstringarraytraversable-commits--head)(_string|array|\Traversable_ $commits = HEAD)
+    * $git->shortlog->[summary](#git-shortlog-summarystring-commits--head)(_string_ $commits = HEAD)
+* [git show](#git-show)
+    * $git->[show](#git-showstring-object-array-options--)(_string_ $object, _array_ $options = [])
+* [git stash](#git-stash)
+    * $git->[stash](#git-stash)()
+    * $git->stash->[save](#git-stash-savestring-message--null-array-options--)(_string_ $message = null, _array_ $options = [])
+    * $git->stash->[lists](#git-stash-listsarray-options--)(_array_ $options = [])
+    * $git->stash->[show](#git-stash-showstring-stash--null)(_string_ $stash = null)
+    * $git->stash->[drop](#git-stash-dropstring-stash--null)(_string_ $stash = null)
+    * $git->stash->[pop](#git-stash-popstring-stash--null-array-options--)(_string_ $stash = null, _array_ $options = [])
+    * $git->stash->[apply](#git-stash-applystring-stash--null-array-options--)(_string_ $stash = null, _array_ $options = [])
+    * $git->stash->[branch](#git-stash-branchstring-name-string-stash--null)(_string_ $name, _string_ $stash = null)
+    * $git->stash->[clear](#git-stash-clear)()
+    * $git->stash->[create](#git-stash-create)()
+* [git status](#git-status)
+    * $git->[status](#git-statusarray-options--)(_array_ $options = [])
+* [git tag](#git-tag)
+    * $git->[tag](#git-tag)()
+    * $git->tag->[create](#git-tag-createstring-tag-string-commit--null-array-options--)(_string_ $tag, _string_ $commit = null, _array_ $options = [])
+    * $git->tag->[delete](#git-tag-deletestringarraytraversable-tag)(_string|array|\Traversable_ $tag)
+    * $git->tag->[verify](#git-tag-verifystringarraytraversable-tag)(_string|array|\Traversable_ $tag)
+* [git ls-tree](#git-ls-tree)
+    * $git->[tree](#git-treestring-branch--master-string-path--)(_string_ $branch = master, _string_ $path = '')
+
+* * * * *
+
+### git add
+
+#### $git->add(_string|array|\Traversable_ $file, _array_ $options = [])
+
+Add file contents to the index
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->add('file.txt');
+$git->add('file.txt', ['force' => false, 'ignore-errors' => false);
+```
+
+##### Options
+
+- **force**          (_boolean_) Allow adding otherwise ignored files
+- **ignore-errors**  (_boolean_) Do not abort the operation
+
+* * * * *
+
+### git archive
+
+#### $git->archive(_string_ $file, _string_ $tree = null, _string|array|\Traversable_ $path = null, _array_ $options = [])
+
+Create an archive of files from a named tree
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->archive('repo.zip', 'master', null, ['format' => 'zip']);
+```
+
+##### Options
+
+- **format** (_boolean_) Format of the resulting archive: tar or zip
+- **prefix** (_boolean_) Prepend prefix/ to each filename in the archive
+
+* * * * *
+
+### git branch
+
+#### $git->branch(_array_ $options = [])
+
+Returns an array of both remote-tracking branches and local branches
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$branches = $git->branch();
+```
+
+##### Output Example
+
+```
+[
+    'master' => ['current' => true, 'name' => 'master', 'hash' => 'bf231bb', 'title' => 'Initial Commit'],
+    'origin/master' => ['current' => false, 'name' => 'origin/master', 'alias' => 'remotes/origin/master']
+]
+```
+
+##### Options
+
+- **all**     (_boolean_) List both remote-tracking branches and local branches
+- **remotes** (_boolean_) List the remote-tracking branches
+
+#### $git->branch->create(_string_ $branch, _string_ $startPoint = null, _array_ $options = [])
+
+Creates a new branch head named **$branch** which points to the current HEAD, or **$startPoint** if given
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->branch->create('bugfix');              // from current HEAD
+$git->branch->create('patch-1', 'a092bf7s'); // from commit
+$git->branch->create('1.0.x-fix', 'v1.0.2'); // from tag
+```
+
+##### Options
+
+- **force**   (_boolean_) Reset **$branch**  to **$startPoint** if **$branch** exists already
+
+#### $git->branch->move(_string_ $branch, _string_ $newBranch, _array_ $options = [])
+
+Move/rename a branch and the corresponding reflog
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->branch->move('bugfix', '2.0');
+```
+
+##### Options
+
+- **force**   (_boolean_) Move/rename a branch even if the new branch name already exists
+
+#### $git->branch->delete(_string_ $branch, _array_ $options = [])
+
+Delete a branch
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->branch->delete('2.0');
+```
+
+The branch must be fully merged in its upstream branch, or in HEAD if no upstream was set with --track or --set-upstream.
+
+##### Options
+
+- **force**   (_boolean_) Delete a branch irrespective of its merged status
+
+* * * * *
+
+### git cat-file
+
+#### $git->cat->blob(_string_ $object)
+
+Returns the contents of blob object
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$contents = $git->cat->blob('e69de29bb2d1d6434b8b29ae775ad8');
+```
+
+#### $git->cat->type(_string_ $object)
+
+Returns the object type identified by **$object**
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$type = $git->cat->type('e69de29bb2d1d6434b8b29ae775ad8');
+```
+
+#### $git->cat->size(_string_ $object)
+
+Returns the object size identified by **$object**
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$type = $git->cat->size('e69de29bb2d1d6434b8b29ae775ad8');
+```
+
+* * * * *
+
+### git checkout
+
+#### $git->checkout(_string_ $branch, _array_ $options = [])
+
+Switches branches by updating the index, working tree, and HEAD to reflect the specified branch or commit
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->checkout('develop');
+```
+
+##### Options
+
+- **force** (_boolean_) Proceed even if the index or the working tree differs from HEAD
+- **merge** (_boolean_) Merges local modification
+
+#### $git->checkout->create(_string_ $branch, _string_ $startPoint = null, _array_ $options = [])
+
+Create a new branch and checkout
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->checkout->create('patch-1');
+$git->checkout->create('patch-2', 'develop');
+```
+
+##### Options
+
+- **force** (_boolean_) Proceed even if the index or the working tree differs from HEAD
+
+#### $git->checkout->orphan(_string_ $branch, _string_ $startPoint = null, _array_ $options = [])
+
+Create a new orphan branch, named <new_branch>, started from <start_point> and switch to it
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->checkout->orphan('gh-pages');
+```
+
+##### Options
+
+- **force** (_boolean_) Proceed even if the index or the working tree differs from HEAD
+
+* * * * *
+
+### git clone
+
+#### $git->clone(_string_ $repository, _string_ $path = null, _array_ $options = [])
+
+Clone a repository into a new directory
+
+``` php
+$git = new PHPGit\Git();
+$git->clone('https://github.com/kzykhys/PHPGit.git', '/path/to/repo');
+```
+
+##### Options
+
+- **shared** (_boolean_) Starts out without any object of its own
+- **bare**   (_boolean_) Make a bare GIT repository
+
+* * * * *
+
+### git commit
+
+#### $git->commit(_string_ $message, _array_ $options = [])
+
+Record changes to the repository
+
+``` php
+$git = new PHPGit\Git();
+$git->clone('https://github.com/kzykhys/PHPGit.git', '/path/to/repo');
+$git->setRepository('/path/to/repo');
+$git->add('README.md');
+$git->commit('Fixes README.md');
+```
+
+##### Options
+
+- **all**           (_boolean_) Stage files that have been modified and deleted
+- **reuse-message** (_string_)  Take an existing commit object, and reuse the log message and the authorship information (including the timestamp) when creating the commit
+- **squash**        (_string_)  Construct a commit message for use with rebase --autosquash
+- **author**        (_string_)  Override the commit author
+- **date**          (_string_)  Override the author date used in the commit
+- **cleanup**       (_string_)  Can be one of verbatim, whitespace, strip, and default
+- **amend**         (_boolean_) Used to amend the tip of the current branch
+
+* * * * *
+
+### git config
+
+#### $git->config(_array_ $options = [])
+
+Returns all variables set in config file
+
+
+##### Options
+
+- **global** (_boolean_) Read or write configuration options for the current user
+- **system** (_boolean_) Read or write configuration options for all users on the current machine
+
+#### $git->config->set(_string_ $name, _string_ $value, _array_ $options = [])
+
+Set an option
+
+##### Options
+
+- **global** (_boolean_) Read or write configuration options for the current user
+- **system** (_boolean_) Read or write configuration options for all users on the current machine
+
+#### $git->config->add(_string_ $name, _string_ $value, _array_ $options = [])
+
+Adds a new line to the option without altering any existing values
+
+##### Options
+
+- **global** (_boolean_) Read or write configuration options for the current user
+- **system** (_boolean_) Read or write configuration options for all users on the current machine
+
+* * * * *
+
+### git describe
+
+#### $git->describe(_string_ $committish = null, _array_ $options = [])
+
+Returns the most recent tag that is reachable from a commit
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->tag->create('v1.0.0');
+$git->commit('Fixes #14');
+echo $git->describe('HEAD', ['tags' => true]);
+```
+
+##### Output Example
+
+```
+v1.0.0-1-g7049efc
+```
+
+##### Options
+
+- **all**    (_boolean_) Enables matching any known branch, remote-tracking branch, or lightweight tag
+- **tags**   (_boolean_) Enables matching a lightweight (non-annotated) tag
+- **always** (_boolean_) Show uniquely abbreviated commit object as fallback
+
+#### $git->describe->tags(_string_ $committish = null, _array_ $options = [])
+
+Equivalent to $git->describe($committish, ['tags' => true]);
+
+* * * * *
+
+### git fetch
+
+#### $git->fetch(_string_ $repository, _string_ $refspec = null, _array_ $options = [])
+
+Fetches named heads or tags from one or more other repositories, along with the objects necessary to complete them
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->remote->add('origin', 'git://your/repo.git');
+$git->fetch('origin');
+```
+
+##### Options
+
+- **append** (_boolean_) Append ref names and object names of fetched refs to the existing contents of .git/FETCH_HEAD
+- **keep**   (_boolean_) Keep downloaded pack
+- **prune**  (_boolean_) After fetching, remove any remote-tracking branches which no longer exist on the remote
+
+#### $git->fetch->all(_array_ $options = [])
+
+Fetch all remotes
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->remote->add('origin', 'git://your/repo.git');
+$git->remote->add('release', 'git://your/another_repo.git');
+$git->fetch->all();
+```
+
+##### Options
+
+- **append** (_boolean_) Append ref names and object names of fetched refs to the existing contents of .git/FETCH_HEAD
+- **keep**   (_boolean_) Keep downloaded pack
+- **prune**  (_boolean_) After fetching, remove any remote-tracking branches which no longer exist on the remote
+
+* * * * *
+
+### git init
+
+#### $git->init(_string_ $path, _array_ $options = [])
+
+Create an empty git repository or reinitialize an existing one
+
+``` php
+$git = new PHPGit\Git();
+$git->init('/path/to/repo1');
+$git->init('/path/to/repo2', array('shared' => true, 'bare' => true));
+```
+
+##### Options
+
+- **shared** (_boolean_) Specify that the git repository is to be shared amongst several users
+- **bare**   (_boolean_) Create a bare repository
+
+* * * * *
+
+### git log
+
+#### $git->log(_string_ $revRange = '', _string_ $path = null, _array_ $options = [])
+
+Returns the commit logs
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$logs = $git->log(array('limit' => 10));
+```
+
+##### Output Example
+
+``` php
+[
+    0 => [
+        'hash'  => '1a821f3f8483747fd045eb1f5a31c3cc3063b02b',
+        'name'  => 'John Doe',
+        'email' => 'john@example.com',
+        'date'  => 'Fri Jan 17 16:32:49 2014 +0900',
+        'title' => 'Initial Commit'
+    ],
+    1 => [
+        //...
+    ]
+]
+```
+
+##### Options
+
+- **limit** (_integer_) Limits the number of commits to show
+- **skip**  (_integer_) Skip number commits before starting to show the commit output
+
+* * * * *
+
+### git merge
+
+#### $git->merge(_string|array|\Traversable_ $commit, _string_ $message = null, _array_ $options = [])
+
+Incorporates changes from the named commits into the current branch
+
+```php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->merge('1.0');
+$git->merge('1.1', 'Merge message', ['strategy' => 'ours']);
+```
+
+##### Options
+
+- **no-ff**               (_boolean_) Do not generate a merge commit if the merge resolved as a fast-forward, only update the branch pointer
+- **rerere-autoupdate**   (_boolean_) Allow the rerere mechanism to update the index with the result of auto-conflict resolution if possible
+- **squash**              (_boolean_) Allows you to create a single commit on top of the current branch whose effect is the same as merging another branch
+- **strategy**            (_string_)  Use the given merge strategy
+- **strategy-option**     (_string_)  Pass merge strategy specific option through to the merge strategy
+
+#### $git->merge->abort()
+
+Abort the merge process and try to reconstruct the pre-merge state
+
+```php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+try {
+    $git->merge('dev');
+} catch (PHPGit\Exception\GitException $e) {
+    $git->merge->abort();
+}
+```
+
+* * * * *
+
+### git mv
+
+#### $git->mv(_string|array|\Iterator_ $source, _string_ $destination, _array_ $options = [])
+
+Move or rename a file, a directory, or a symlink
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->mv('UPGRADE-1.0.md', 'UPGRADE-1.1.md');
+```
+
+##### Options
+
+- **force** (_boolean_) Force renaming or moving of a file even if the target exists
+
+* * * * *
+
+### git pull
+
+#### $git->pull(_string_ $repository = null, _string_ $refspec = null, _array_ $options = [])
+
+Fetch from and merge with another repository or a local branch
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->pull('origin', 'master');
+```
+
+* * * * *
+
+### git push
+
+#### $git->push(_string_ $repository = null, _string_ $refspec = null, _array_ $options = [])
+
+Update remote refs along with associated objects
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->push('origin', 'master');
+```
+
+* * * * *
+
+### git rebase
+
+#### $git->rebase(_string_ $upstream = null, _string_ $branch = null, _array_ $options = [])
+
+Forward-port local commits to the updated upstream head
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->fetch('origin');
+$git->rebase('origin/master');
+```
+
+##### Options
+
+- **onto**          (_string_)  Starting point at which to create the new commits
+- **no-verify**     (_boolean_) Bypasses the pre-rebase hook
+- **force-rebase**  (_boolean_) Force the rebase even if the current branch is a descendant of the commit you are rebasing onto
+
+#### $git->rebase->continues()
+
+Restart the rebasing process after having resolved a merge conflict
+
+#### $git->rebase->abort()
+
+Abort the rebase operation and reset HEAD to the original branch
+
+#### $git->rebase->skip()
+
+Restart the rebasing process by skipping the current patch
+
+* * * * *
+
+### git remote
+
+#### $git->remote()
+
+Returns an array of existing remotes
+
+``` php
+$git = new PHPGit\Git();
+$git->clone('https://github.com/kzykhys/Text.git', '/path/to/repo');
+$git->setRepository('/path/to/repo');
+$remotes = $git->remote();
+```
+
+##### Output Example
+
+``` php
+[
+    'origin' => [
+        'fetch' => 'https://github.com/kzykhys/Text.git',
+        'push'  => 'https://github.com/kzykhys/Text.git'
+    ]
+]
+```
+
+#### $git->remote->add(_string_ $name, _string_ $url, _array_ $options = [])
+
+Adds a remote named **$name** for the repository at **$url**
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->remote->add('origin', 'https://github.com/kzykhys/Text.git');
+$git->fetch('origin');
+```
+
+##### Options
+
+- **tags**    (_boolean_) With this option, `git fetch <name>` imports every tag from the remote repository
+- **no-tags** (_boolean_) With this option, `git fetch <name>` does not import tags from the remote repository
+
+#### $git->remote->rename(_string_ $name, _string_ $newName)
+
+Rename the remote named **$name** to **$newName**
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->remote->add('origin', 'https://github.com/kzykhys/Text.git');
+$git->remote->rename('origin', 'upstream');
+```
+
+#### $git->remote->rm(_string_ $name)
+
+Remove the remote named **$name**
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->remote->add('origin', 'https://github.com/kzykhys/Text.git');
+$git->remote->rm('origin');
+```
+
+#### $git->remote->show(_string_ $name)
+
+Gives some information about the remote **$name**
+
+``` php
+$git = new PHPGit\Git();
+$git->clone('https://github.com/kzykhys/Text.git', '/path/to/repo');
+$git->setRepository('/path/to/repo');
+echo $git->remote->show('origin');
+```
+
+##### Output Example
+
+```
+\* remote origin
+  Fetch URL: https://github.com/kzykhys/Text.git
+  Push  URL: https://github.com/kzykhys/Text.git
+  HEAD branch: master
+  Remote branch:
+    master tracked
+  Local branch configured for 'git pull':
+    master merges with remote master
+  Local ref configured for 'git push':
+    master pushes to master (up to date)
+```
+
+#### $git->remote->prune(_string_ $name = null)
+
+Deletes all stale remote-tracking branches under **$name**
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->remote->prune('origin');
+```
+
+#### $git->remote->head(_string_ $name, _string_ $branch = null)
+
+Alias of set()
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->remote->add('origin', 'https://github.com/kzykhys/Text.git');
+$git->remote->head('origin');
+```
+
+#### $git->remote->head->set(_string_ $name, _string_ $branch)
+
+Sets the default branch for the named remote
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->remote->add('origin', 'https://github.com/kzykhys/Text.git');
+$git->remote->head->set('origin');
+```
+
+#### $git->remote->head->delete(_string_ $name)
+
+Deletes the default branch for the named remote
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->remote->add('origin', 'https://github.com/kzykhys/Text.git');
+$git->remote->head->delete('origin');
+```
+
+#### $git->remote->head->remote(_string_ $name)
+
+Determine the default branch by querying remote
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->remote->add('origin', 'https://github.com/kzykhys/Text.git');
+$git->remote->head->remote('origin');
+```
+
+#### $git->remote->branches(_string_ $name, _array_ $branches)
+
+Alias of set()
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->remote->add('origin', 'https://github.com/kzykhys/Text.git');
+$git->remote->branches('origin', array('master', 'develop'));
+```
+
+#### $git->remote->branches->set(_string_ $name, _array_ $branches)
+
+Changes the list of branches tracked by the named remote
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->remote->add('origin', 'https://github.com/kzykhys/Text.git');
+$git->remote->branches->set('origin', array('master', 'develop'));
+```
+
+#### $git->remote->branches->add(_string_ $name, _array_ $branches)
+
+Adds to the list of branches tracked by the named remote
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->remote->add('origin', 'https://github.com/kzykhys/Text.git');
+$git->remote->branches->add('origin', array('master', 'develop'));
+```
+
+#### $git->remote->url(_string_ $name, _string_ $newUrl, _string_ $oldUrl = null, _array_ $options = [])
+
+Alias of set()
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->remote->add('origin', 'https://github.com/kzykhys/Text.git');
+$git->remote->url('origin', 'https://github.com/text/Text.git');
+```
+
+##### Options
+
+- **push** (_boolean_) Push URLs are manipulated instead of fetch URLs
+
+#### $git->remote->url->set(_string_ $name, _string_ $newUrl, _string_ $oldUrl = null, _array_ $options = [])
+
+Sets the URL remote to $newUrl
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->remote->add('origin', 'https://github.com/kzykhys/Text.git');
+$git->remote->url->set('origin', 'https://github.com/text/Text.git');
+```
+
+##### Options
+
+- **push** (_boolean_) Push URLs are manipulated instead of fetch URLs
+
+#### $git->remote->url->add(_string_ $name, _string_ $newUrl, _array_ $options = [])
+
+Adds new URL to remote
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->remote->add('origin', 'https://github.com/kzykhys/Text.git');
+$git->remote->url->add('origin', 'https://github.com/text/Text.git');
+```
+
+##### Options
+
+- **push** (_boolean_) Push URLs are manipulated instead of fetch URLs
+
+#### $git->remote->url->delete(_string_ $name, _string_ $url, _array_ $options = [])
+
+Deletes all URLs matching regex $url
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->remote->add('origin', 'https://github.com/kzykhys/Text.git');
+$git->remote->url->delete('origin', 'https://github.com');
+```
+
+##### Options
+
+- **push** (_boolean_) Push URLs are manipulated instead of fetch URLs
+
+* * * * *
+
+### git reset
+
+#### $git->reset(_string|array|\Traversable_ $paths, _string_ $commit = null)
+
+Resets the index entries for all **$paths** to their state at **$commit**
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->reset();
+```
+
+#### $git->reset->soft(_string_ $commit = null)
+
+Resets the current branch head to **$commit**
+
+Does not touch the index file nor the working tree at all (but resets the head to **$commit**,
+just like all modes do).
+This leaves all your changed files "Changes to be committed", as git status would put it.
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->reset->soft();
+```
+
+#### $git->reset->mixed(_string_ $commit = null)
+
+Resets the current branch head to **$commit**
+
+Resets the index but not the working tree (i.e., the changed files are preserved but not marked for commit)
+and reports what has not been updated. This is the default action.
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->reset->mixed();
+```
+
+#### $git->reset->hard(_string_ $commit = null)
+
+Resets the current branch head to **$commit**
+
+Resets the index and working tree. Any changes to tracked files in the working tree since **$commit** are discarded
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->reset->hard();
+```
+
+#### $git->reset->merge(_string_ $commit = null)
+
+Resets the current branch head to **$commit**
+
+Resets the index and updates the files in the working tree that are different between **$commit** and HEAD,
+but keeps those which are different between the index and working tree
+(i.e. which have changes which have not been added). If a file that is different between **$commit** and
+the index has unstaged changes, reset is aborted
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->reset->merge();
+```
+
+#### $git->reset->keep(_string_ $commit = null)
+
+Resets the current branch head to **$commit**
+
+Resets index entries and updates files in the working tree that are different between **$commit** and HEAD.
+If a file that is different between **$commit** and HEAD has local changes, reset is aborted.
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->reset->keep();
+```
+
+#### $git->reset->mode(_string_ $mode, _string_ $commit = null)
+
+Resets the current branch head to **$commit**
+
+Possibly updates the index (resetting it to the tree of **$commit**) and the working tree depending on **$mode**
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->reset->mode('hard');
+```
+
+* * * * *
+
+### git rm
+
+#### $git->rm(_string|array|\Traversable_ $file, _array_ $options = [])
+
+Remove files from the working tree and from the index
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->rm('CHANGELOG-1.0-1.1.txt', ['force' => true]);
+```
+
+##### Options
+
+- **force**     (_boolean_) Override the up-to-date check
+- **cached**    (_boolean_) Unstage and remove paths only from the index
+- **recursive** (_boolean_) Allow recursive removal when a leading directory name is given
+
+#### $git->rm->cached(_string|array|\Traversable_ $file, _array_ $options = [])
+
+Equivalent to $git->rm($file, ['cached' => true]);
+
+##### Options
+
+- **force**     (_boolean_) Override the up-to-date check
+- **recursive** (_boolean_) Allow recursive removal when a leading directory name is given
+
+* * * * *
+
+### git shortlog
+
+#### $git->shortlog(_string|array|\Traversable_ $commits = HEAD)
+
+Summarize 'git log' output
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$shortlog = $git->shortlog();
+```
+
+##### Output Example
+
+``` php
+[
+    'John Doe <john@example.com>' => [
+        0 => ['commit' => '589de67', 'date' => new \DateTime('2014-02-10 12:56:15 +0300'), 'subject' => 'Update README'],
+        1 => ['commit' => '589de67', 'date' => new \DateTime('2014-02-15 12:56:15 +0300'), 'subject' => 'Update README'],
+    ],
+    //...
+]
+```
+
+#### $git->shortlog->summary(_string_ $commits = HEAD)
+
+Suppress commit description and provide a commit count summary only
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$shortlog = $git->shortlog->summary();
+```
+
+##### Output Example
+
+``` php
+[
+    'John Doe <john@example.com>' => 153,
+    //...
+]
+```
+
+* * * * *
+
+### git show
+
+#### $git->show(_string_ $object, _array_ $options = [])
+
+Shows one or more objects (blobs, trees, tags and commits)
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+echo $git->show('3ddee587e209661c8265d5bfd0df999836f6dfa2');
+```
+
+##### Options
+
+- **format**        (_string_)  Pretty-print the contents of the commit logs in a given format, where <format> can be one of oneline, short, medium, full, fuller, email, raw and format:<string>
+- **abbrev-commit** (_boolean_) Instead of showing the full 40-byte hexadecimal commit object name, show only a partial prefix
+
+* * * * *
+
+### git stash
+
+#### $git->stash()
+
+Save your local modifications to a new stash, and run git reset --hard to revert them
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->stash();
+```
+
+#### $git->stash->save(_string_ $message = null, _array_ $options = [])
+
+Save your local modifications to a new stash, and run git reset --hard to revert them.
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->stash->save('My stash');
+```
+
+#### $git->stash->lists(_array_ $options = [])
+
+Returns the stashes that you currently have
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$stashes = $git->stash->lists();
+```
+
+##### Output Example
+
+``` php
+[
+    0 => ['branch' => 'master', 'message' => '0e2f473 Fixes README.md'],
+    1 => ['branch' => 'master', 'message' => 'ce1ddde Initial commit'],
+]
+```
+
+#### $git->stash->show(_string_ $stash = null)
+
+Show the changes recorded in the stash as a diff between the stashed state and its original parent
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+echo $git->stash->show('stash@{0}');
+```
+
+##### Output Example
+
+```
+ REAMDE.md |    2 +-
+ 1 files changed, 1 insertions(+), 1 deletions(-)
+```
+
+#### $git->stash->drop(_string_ $stash = null)
+
+Remove a single stashed state from the stash list
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->stash->drop('stash@{0}');
+```
+
+#### $git->stash->pop(_string_ $stash = null, _array_ $options = [])
+
+Remove a single stashed state from the stash list and apply it on top of the current working tree state
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->stash->pop('stash@{0}');
+```
+
+#### $git->stash->apply(_string_ $stash = null, _array_ $options = [])
+
+Like pop, but do not remove the state from the stash list
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->stash->apply('stash@{0}');
+```
+
+#### $git->stash->branch(_string_ $name, _string_ $stash = null)
+
+Creates and checks out a new branch named <branchname> starting from the commit at which the <stash> was originally created, applies the changes recorded in <stash> to the new working tree and index
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->stash->branch('hotfix', 'stash@{0}');
+```
+
+#### $git->stash->clear()
+
+Remove all the stashed states
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->stash->clear();
+```
+
+#### $git->stash->create()
+
+Create a stash (which is a regular commit object) and return its object name, without storing it anywhere in the ref namespace
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$commit = $git->stash->create();
+```
+
+##### Output Example
+
+```
+877316ea6f95c43b7ccc2c2a362eeedfa78b597d
+```
+
+* * * * *
+
+### git status
+
+#### $git->status(_array_ $options = [])
+
+Returns the working tree status
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$status = $git->status();
+```
+
+##### Constants
+
+- StatusCommand::UNMODIFIED            [=' '] unmodified
+- StatusCommand::MODIFIED              [='M'] modified
+- StatusCommand::ADDED                 [='A'] added
+- StatusCommand::DELETED               [='D'] deleted
+- StatusCommand::RENAMED               [='R'] renamed
+- StatusCommand::COPIED                [='C'] copied
+- StatusCommand::UPDATED_BUT_UNMERGED  [='U'] updated but unmerged
+- StatusCommand::UNTRACKED             [='?'] untracked
+- StatusCommand::IGNORED               [='!'] ignored
+
+##### Output Example
+
+``` php
+[
+    'branch' => 'master',
+    'changes' => [
+        ['file' => 'item1.txt', 'index' => 'A', 'work_tree' => 'M'],
+        ['file' => 'item2.txt', 'index' => 'A', 'work_tree' => ' '],
+        ['file' => 'item3.txt', 'index' => '?', 'work_tree' => '?'],
+    ]
+]
+```
+
+##### Options
+
+- **ignored** (_boolean_) Show ignored files as well
+
+* * * * *
+
+### git tag
+
+#### $git->tag()
+
+Returns an array of tags
+
+``` php
+$git = new PHPGit\Git();
+$git->clone('https://github.com/kzykhys/PHPGit.git', '/path/to/repo');
+$git->setRepository('/path/to/repo');
+$tags = $git->tag();
+```
+
+##### Output Example
+
+```
+['v1.0.0', 'v1.0.1', 'v1.0.2']
+```
+
+#### $git->tag->create(_string_ $tag, _string_ $commit = null, _array_ $options = [])
+
+Creates a tag object
+
+``` php
+$git = new PHPGit\Git();
+$git->setRepository('/path/to/repo');
+$git->tag->create('v1.0.0');
+```
+
+##### Options
+
+- **annotate** (_boolean_) Make an unsigned, annotated tag object
+- **sign**     (_boolean_) Make a GPG-signed tag, using the default e-mail address’s key
+- **force**    (_boolean_) Replace an existing tag with the given name (instead of failing)
+
+#### $git->tag->delete(_string|array|\Traversable_ $tag)
+
+Delete existing tags with the given names
+
+#### $git->tag->verify(_string|array|\Traversable_ $tag)
+
+Verify the gpg signature of the given tag names
+
+* * * * *
+
+### git ls-tree
+
+#### $git->tree(_string_ $branch = master, _string_ $path = '')
+
+Returns the contents of a tree object
+
+``` php
+$git = new PHPGit\Git();
+$git->clone('https://github.com/kzykhys/PHPGit.git', '/path/to/repo');
+$git->setRepository('/path/to/repo');
+$tree = $git->tree('master');
+```
+
+##### Output Example
+
+``` php
+[
+    ['mode' => '100644', 'type' => 'blob', 'hash' => '1f100ce9855b66111d34b9807e47a73a9e7359f3', 'file' => '.gitignore', 'sort' => '2:.gitignore'],
+    ['mode' => '100644', 'type' => 'blob', 'hash' => 'e0bfe494537037451b09c32636c8c2c9795c05c0', 'file' => '.travis.yml', 'sort' => '2:.travis.yml'],
+    ['mode' => '040000', 'type' => 'tree', 'hash' => '8d5438e79f77cd72de80c49a413f4edde1f3e291', 'file' => 'bin', 'sort' => '1:.bin'],
+]
+```
+
+License
+-------
+
+The MIT License
+
+Author
+------
+
+Kazuyuki Hayashi (@kzykhys)
diff --git a/library/kzykhys/git/phpunit.xml.dist b/library/kzykhys/git/phpunit.xml.dist
new file mode 100644
index 000000000..ad8dd7b00
--- /dev/null
+++ b/library/kzykhys/git/phpunit.xml.dist
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!-- http://www.phpunit.de/manual/current/en/appendixes.configuration.html -->
+<phpunit
+    backupGlobals = "false"
+    backupStaticAttributes = "false"
+    colors = "true"
+    convertErrorsToExceptions = "true"
+    convertNoticesToExceptions = "true"
+    convertWarningsToExceptions = "true"
+    processIsolation = "false"
+    stopOnFailure = "false"
+    syntaxCheck = "false"
+    bootstrap = "vendor/autoload.php" >
+
+  <testsuites>
+    <testsuite name="Project Test Suite">
+      <directory>test</directory>
+    </testsuite>
+  </testsuites>
+
+  <filter>
+    <whitelist>
+      <directory>src</directory>
+    </whitelist>
+  </filter>
+
+</phpunit>
\ No newline at end of file
diff --git a/library/kzykhys/git/src/PHPGit/Command.php b/library/kzykhys/git/src/PHPGit/Command.php
new file mode 100644
index 000000000..9238a5454
--- /dev/null
+++ b/library/kzykhys/git/src/PHPGit/Command.php
@@ -0,0 +1,123 @@
+<?php
+
+namespace PHPGit;
+
+use Symfony\Component\OptionsResolver\OptionsResolver;
+use Symfony\Component\OptionsResolver\OptionsResolverInterface;
+use Symfony\Component\Process\ProcessBuilder;
+
+/**
+ * Base class for git commands
+ *
+ * @author Kazuyuki Hayashi <hayashi@valnur.net>
+ */
+abstract class Command
+{
+
+    /**
+     * @var Git
+     */
+    protected $git;
+
+    /**
+     * @param Git $git
+     */
+    public function __construct(Git $git)
+    {
+        $this->git = $git;
+    }
+
+    /**
+     * Returns the combination of the default and the passed options
+     *
+     * @param array $options An array of options
+     *
+     * @return array
+     */
+    public function resolve(array $options = array())
+    {
+        $resolver = new OptionsResolver();
+        $this->setDefaultOptions($resolver);
+
+        return $resolver->resolve($options);
+    }
+
+    /**
+     * Sets the default options
+     *
+     * @param OptionsResolverInterface $resolver The resolver for the options
+     *
+     * @codeCoverageIgnore
+     */
+    public function setDefaultOptions(OptionsResolverInterface $resolver)
+    {
+    }
+
+    /**
+     * Split string by new line or null(\0)
+     *
+     * @param string $input   The string to split
+     * @param bool   $useNull True to split by new line, otherwise null
+     *
+     * @return array
+     */
+    protected function split($input, $useNull = false)
+    {
+        if ($useNull) {
+            $pattern = '/\0/';
+        } else {
+            $pattern = '/\r?\n/';
+        }
+
+        return preg_split($pattern, rtrim($input), -1, PREG_SPLIT_NO_EMPTY);
+    }
+
+    /**
+     * Adds boolean options to command arguments
+     *
+     * @param ProcessBuilder $builder     A ProcessBuilder object
+     * @param array          $options     An array of options
+     * @param array          $optionNames The names of options to add
+     */
+    protected function addFlags(ProcessBuilder $builder, array $options = array(), array $optionNames = null)
+    {
+        if ($optionNames) {
+            foreach ($optionNames as $name) {
+                if (isset($options[$name]) && is_bool($options[$name]) && $options[$name]) {
+                    $builder->add('--' . $name);
+                }
+            }
+        } else {
+            foreach ($options as $name => $option) {
+                if ($option) {
+                    $builder->add('--' . $name);
+                }
+            }
+        }
+    }
+
+    /**
+     * Adds options with values to command arguments
+     *
+     * @param ProcessBuilder $builder     A ProcessBuilder object
+     * @param array          $options     An array of options
+     * @param array          $optionNames The names of options to add
+     */
+    protected function addValues(ProcessBuilder $builder, array $options = array(), array $optionNames = null)
+    {
+        if ($optionNames) {
+            foreach ($optionNames as $name) {
+                if (isset($options[$name]) && $options[$name]) {
+                    $builder->add('--' . $name . '=' . $options[$name]);
+                }
+            }
+        } else {
+            foreach ($options as $name => $option) {
+                if ($option) {
+                    $builder->add('--' . $name . '=' . $option);
+                }
+            }
+        }
+    }
+
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/src/PHPGit/Command/AddCommand.php b/library/kzykhys/git/src/PHPGit/Command/AddCommand.php
new file mode 100644
index 000000000..c035b2412
--- /dev/null
+++ b/library/kzykhys/git/src/PHPGit/Command/AddCommand.php
@@ -0,0 +1,75 @@
+<?php
+
+namespace PHPGit\Command;
+
+use PHPGit\Command;
+use PHPGit\Exception\GitException;
+use Symfony\Component\OptionsResolver\OptionsResolverInterface;
+
+/**
+ * Add file contents to the index - `git add`
+ *
+ * @author Kazuyuki Hayashi <hayashi@valnur.net>
+ */
+class AddCommand extends Command
+{
+
+    /**
+     * Add file contents to the index
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->add('file.txt');
+     * $git->add('file.txt', ['force' => false, 'ignore-errors' => false);
+     * ```
+     *
+     * ##### Options
+     *
+     * - **force**          (_boolean_) Allow adding otherwise ignored files
+     * - **ignore-errors**  (_boolean_) Do not abort the operation
+     *
+     * @param string|array|\Traversable $file    Files to add content from
+     * @param array                     $options [optional] An array of options {@see AddCommand::setDefaultOptions}
+     *
+     * @throws GitException
+     * @return bool
+     */
+    public function __invoke($file, array $options = array())
+    {
+        $options = $this->resolve($options);
+        $builder = $this->git->getProcessBuilder()
+            ->add('add');
+
+        $this->addFlags($builder, $options);
+
+        if (!is_array($file) && !($file instanceof \Traversable)) {
+            $file = array($file);
+        }
+
+        foreach ($file as $value) {
+            $builder->add($value);
+        }
+
+        $this->git->run($builder->getProcess());
+
+        return true;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * - **force**          (_boolean_) Allow adding otherwise ignored files
+     * - **ignore-errors**  (_boolean_) Do not abort the operation
+     */
+    public function setDefaultOptions(OptionsResolverInterface $resolver)
+    {
+        $resolver->setDefaults(array(
+            //'dry-run'        => false,
+            'force'          => false,
+            'ignore-errors'  => false,
+            //'ignore-missing' => false,
+        ));
+    }
+
+}
\ No newline at end of file
diff --git a/library/kzykhys/git/src/PHPGit/Command/ArchiveCommand.php b/library/kzykhys/git/src/PHPGit/Command/ArchiveCommand.php
new file mode 100644
index 000000000..a6c9bd0d9
--- /dev/null
+++ b/library/kzykhys/git/src/PHPGit/Command/ArchiveCommand.php
@@ -0,0 +1,96 @@
+<?php
+
+namespace PHPGit\Command;
+
+use PHPGit\Command;
+use PHPGit\Exception\GitException;
+use Symfony\Component\OptionsResolver\OptionsResolverInterface;
+
+/**
+ * Create an archive of files from a named tree - `git archive`
+ *
+ * @author Kazuyuki Hayashi <hayashi@valnur.net>
+ */
+class ArchiveCommand extends Command
+{
+
+    /**
+     * Create an archive of files from a named tree
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->archive('repo.zip', 'master', null, ['format' => 'zip']);
+     * ```
+     *
+     * ##### Options
+     *
+     * - **format** (_boolean_) Format of the resulting archive: tar or zip
+     * - **prefix** (_boolean_) Prepend prefix/ to each filename in the archive
+     *
+     * @param string                    $file    The filename
+     * @param string                    $tree    [optional] The tree or commit to produce an archive for
+     * @param string|array|\Traversable $path    [optional] If one or more paths are specified, only these are included
+     * @param array                     $options [optional] An array of options {@see ArchiveCommand::setDefaultOptions}
+     *
+     * @throws GitException
+     * @return bool
+     */
+    public function __invoke($file, $tree = null, $path = null, array $options = array())
+    {
+        $options = $this->resolve($options);
+        $builder = $this->git->getProcessBuilder()
+            ->add('archive');
+
+        if ($options['format']) {
+            $builder->add('--format=' . $options['format']);
+        }
+
+        if ($options['prefix']) {
+            $builder->add('--prefix=' . $options['prefix']);
+        }
+
+        $builder->add('-o')->add($file);
+
+        if ($tree) {
+            $builder->add($tree);
+        }
+
+        if (!is_array($path) && !($path instanceof \Traversable)) {
+            $path = array($path);
+        }
+
+        foreach ($path as $value) {
+            $builder->add($value);
+        }
+
+        $this->git->run($builder->getProcess());
+
+        return true;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * - **format** (_boolean_) Format of the resulting archive: tar or zip
+     * - **prefix** (_boolean_) Prepend prefix/ to each filename in the archive
+     */
+    public function setDefaultOptions(OptionsResolverInterface $resolver)
+    {
+        $resolver->setDefaults(array(
+            'format' => null,
+            'prefix' => null
+        ));
+
+        $resolver->setAllowedTypes(array(
+            'format' => array('null', 'string'),
+            'prefix' => array('null', 'string')
+        ));
+
+        $resolver->setAllowedValues(array(
+            'format' => array('tar', 'zip')
+        ));
+    }
+
+
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/src/PHPGit/Command/BranchCommand.php b/library/kzykhys/git/src/PHPGit/Command/BranchCommand.php
new file mode 100644
index 000000000..4b42f5048
--- /dev/null
+++ b/library/kzykhys/git/src/PHPGit/Command/BranchCommand.php
@@ -0,0 +1,229 @@
+<?php
+
+namespace PHPGit\Command;
+
+use PHPGit\Command;
+use PHPGit\Exception\GitException;
+use Symfony\Component\OptionsResolver\OptionsResolverInterface;
+
+/**
+ * List, create, or delete branches - `git branch`
+ *
+ * @author Kazuyuki Hayashi <hayashi@valnur.net>
+ */
+class BranchCommand extends Command
+{
+
+    /**
+     * Returns an array of both remote-tracking branches and local branches
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $branches = $git->branch();
+     * ```
+     *
+     * ##### Output Example
+     *
+     * ```
+     * [
+     *     'master' => ['current' => true, 'name' => 'master', 'hash' => 'bf231bb', 'title' => 'Initial Commit'],
+     *     'origin/master' => ['current' => false, 'name' => 'origin/master', 'alias' => 'remotes/origin/master']
+     * ]
+     * ```
+     *
+     * ##### Options
+     *
+     * - **all**     (_boolean_) List both remote-tracking branches and local branches
+     * - **remotes** (_boolean_) List the remote-tracking branches
+     *
+     * @param array $options [optional] An array of options {@see BranchCommand::setDefaultOptions}
+     *
+     * @throws GitException
+     * @return array
+     */
+    public function __invoke(array $options = array())
+    {
+        $options  = $this->resolve($options);
+        $branches = array();
+        $builder  = $this->getProcessBuilder()
+            ->add('-v')->add('--abbrev=7');
+
+        if ($options['remotes']) {
+            $builder->add('--remotes');
+        }
+
+        if ($options['all']) {
+            $builder->add('--all');
+        }
+
+        $process = $builder->getProcess();
+        $this->git->run($process);
+
+        $lines = preg_split('/\r?\n/', rtrim($process->getOutput()), -1, PREG_SPLIT_NO_EMPTY);
+
+        foreach ($lines as $line) {
+            $branch = array();
+            preg_match('/(?<current>\*| ) (?<name>[^\s]+) +((?:->) (?<alias>[^\s]+)|(?<hash>[0-9a-z]{7}) (?<title>.*))/', $line, $matches);
+
+            $branch['current'] = ($matches['current'] == '*');
+            $branch['name']    = $matches['name'];
+
+            if (isset($matches['hash'])) {
+                $branch['hash']  = $matches['hash'];
+                $branch['title'] = $matches['title'];
+            } else {
+                $branch['alias'] = $matches['alias'];
+            }
+
+            $branches[$matches['name']] = $branch;
+        }
+
+        return $branches;
+    }
+
+    /**
+     * Creates a new branch head named **$branch** which points to the current HEAD, or **$startPoint** if given
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->branch->create('bugfix');              // from current HEAD
+     * $git->branch->create('patch-1', 'a092bf7s'); // from commit
+     * $git->branch->create('1.0.x-fix', 'v1.0.2'); // from tag
+     * ```
+     *
+     * ##### Options
+     *
+     * - **force**   (_boolean_) Reset **$branch**  to **$startPoint** if **$branch** exists already
+     *
+     * @param string $branch     The name of the branch to create
+     * @param string $startPoint [optional] The new branch head will point to this commit.
+     *                            It may be given as a branch name, a commit-id, or a tag.
+     *                            If this option is omitted, the current HEAD will be used instead.
+     * @param array  $options    [optional] An array of options {@see BranchCommand::setDefaultOptions}
+     *
+     * @throws GitException
+     * @return bool
+     */
+    public function create($branch, $startPoint = null, array $options = array())
+    {
+        $options = $this->resolve($options);
+        $builder = $this->getProcessBuilder();
+
+        if ($options['force']) {
+            $builder->add('-f');
+        }
+
+        $builder->add($branch);
+
+        if ($startPoint) {
+            $builder->add($startPoint);
+        }
+
+        $this->git->run($builder->getProcess());
+
+        return true;
+    }
+
+    /**
+     * Move/rename a branch and the corresponding reflog
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->branch->move('bugfix', '2.0');
+     * ```
+     *
+     * ##### Options
+     *
+     * - **force**   (_boolean_) Move/rename a branch even if the new branch name already exists
+     *
+     * @param string $branch    The name of an existing branch to rename
+     * @param string $newBranch The new name for an existing branch
+     * @param array  $options   [optional] An array of options {@see BranchCommand::setDefaultOptions}
+     *
+     * @throws GitException
+     * @return bool
+     */
+    public function move($branch, $newBranch, array $options = array())
+    {
+        $options = $this->resolve($options);
+        $builder = $this->getProcessBuilder();
+
+        if ($options['force']) {
+            $builder->add('-M');
+        } else {
+            $builder->add('-m');
+        }
+
+        $builder->add($branch)->add($newBranch);
+        $this->git->run($builder->getProcess());
+
+        return true;
+    }
+
+    /**
+     * Delete a branch
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->branch->delete('2.0');
+     * ```
+     *
+     * The branch must be fully merged in its upstream branch, or in HEAD if no upstream was set with --track or --set-upstream.
+     *
+     * ##### Options
+     *
+     * - **force**   (_boolean_) Delete a branch irrespective of its merged status
+     *
+     * @param string $branch  The name of the branch to delete
+     * @param array  $options [optional] An array of options {@see BranchCommand::setDefaultOptions}
+     *
+     * @throws GitException
+     * @return bool
+     */
+    public function delete($branch, array $options = array())
+    {
+        $options = $this->resolve($options);
+        $builder = $this->getProcessBuilder();
+
+        if ($options['force']) {
+            $builder->add('-D');
+        } else {
+            $builder->add('-d');
+        }
+
+        $builder->add($branch);
+        $this->git->run($builder->getProcess());
+
+        return true;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * - **force**   (_boolean_) Reset <branchname> to <startpoint> if <branchname> exists already
+     * - **all**     (_boolean_) List both remote-tracking branches and local branches
+     * - **remotes** (_boolean_) List or delete (if used with delete()) the remote-tracking branches
+     */
+    public function setDefaultOptions(OptionsResolverInterface $resolver)
+    {
+        $resolver->setDefaults(array(
+            'force'   => false,
+            'all'     => false,
+            'remotes' => false,
+        ));
+    }
+
+    /**
+     * @return \Symfony\Component\Process\ProcessBuilder
+     */
+    protected function getProcessBuilder()
+    {
+        return $this->git->getProcessBuilder()
+            ->add('branch');
+    }
+
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/src/PHPGit/Command/CatCommand.php b/library/kzykhys/git/src/PHPGit/Command/CatCommand.php
new file mode 100644
index 000000000..0c4fc1f41
--- /dev/null
+++ b/library/kzykhys/git/src/PHPGit/Command/CatCommand.php
@@ -0,0 +1,91 @@
+<?php
+
+namespace PHPGit\Command;
+
+use PHPGit\Command;
+use PHPGit\Exception\GitException;
+
+/**
+ * Provide content or type and size information for repository objects - `git cat-file`
+ *
+ * @author Kazuyuki Hayashi <hayashi@valnur.net>
+ */
+class CatCommand extends Command
+{
+
+    /**
+     * Returns the contents of blob object
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $contents = $git->cat->blob('e69de29bb2d1d6434b8b29ae775ad8');
+     * ```
+     *
+     * @param string $object The name of the blob object to show
+     *
+     * @throws GitException
+     * @return string
+     */
+    public function blob($object)
+    {
+        $process = $this->git->getProcessBuilder()
+            ->add('cat-file')
+            ->add('blob')
+            ->add($object)
+            ->getProcess();
+
+        return $this->git->run($process);
+    }
+
+    /**
+     * Returns the object type identified by **$object**
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $type = $git->cat->type('e69de29bb2d1d6434b8b29ae775ad8');
+     * ```
+     *
+     * @param string $object The name of the object to show
+     *
+     * @throws GitException
+     * @return string
+     */
+    public function type($object)
+    {
+        $process = $this->git->getProcessBuilder()
+            ->add('cat-file')
+            ->add('-t')
+            ->add($object)
+            ->getProcess();
+
+        return trim($this->git->run($process));
+    }
+
+    /**
+     * Returns the object size identified by **$object**
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $type = $git->cat->size('e69de29bb2d1d6434b8b29ae775ad8');
+     * ```
+     *
+     * @param string $object The name of the object to show
+     *
+     * @throws GitException
+     * @return string
+     */
+    public function size($object)
+    {
+        $process = $this->git->getProcessBuilder()
+            ->add('cat-file')
+            ->add('-s')
+            ->add($object)
+            ->getProcess();
+
+        return trim($this->git->run($process));
+    }
+
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/src/PHPGit/Command/CheckoutCommand.php b/library/kzykhys/git/src/PHPGit/Command/CheckoutCommand.php
new file mode 100644
index 000000000..caddf07bd
--- /dev/null
+++ b/library/kzykhys/git/src/PHPGit/Command/CheckoutCommand.php
@@ -0,0 +1,145 @@
+<?php
+
+namespace PHPGit\Command;
+
+use PHPGit\Command;
+use PHPGit\Exception\GitException;
+use Symfony\Component\OptionsResolver\OptionsResolverInterface;
+
+/**
+ * Checkout a branch or paths to the working tree - `git checkout`
+ *
+ * @author Kazuyuki Hayashi <hayashi@valnur.net>
+ */
+class CheckoutCommand extends Command
+{
+
+    /**
+     * Switches branches by updating the index, working tree, and HEAD to reflect the specified branch or commit
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->checkout('develop');
+     * ```
+     * 
+     * ##### Options
+     *
+     * - **force** (_boolean_) Proceed even if the index or the working tree differs from HEAD
+     * - **merge** (_boolean_) Merges local modification
+     *
+     * @param string $branch  Branch to checkout
+     * @param array  $options [optional] An array of options {@see CheckoutCommand::setDefaultOptions}
+     *
+     * @throws GitException
+     * @return bool
+     */
+    public function __invoke($branch, array $options = array())
+    {
+        $options = $this->resolve($options);
+        $builder = $this->git->getProcessBuilder()
+            ->add('checkout');
+
+        $this->addFlags($builder, $options, array('force', 'merge'));
+
+        $builder->add($branch);
+        $this->git->run($builder->getProcess());
+
+        return true;
+    }
+
+    /**
+     * Create a new branch and checkout
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->checkout->create('patch-1');
+     * $git->checkout->create('patch-2', 'develop');
+     * ```
+     *
+     * ##### Options
+     *
+     * - **force** (_boolean_) Proceed even if the index or the working tree differs from HEAD
+     *
+     * @param string $branch     Branch to checkout
+     * @param string $startPoint The name of a commit at which to start the new branch
+     * @param array  $options    [optional] An array of options {@see CheckoutCommand::setDefaultOptions}
+     *
+     * @throws GitException
+     * @return bool
+     */
+    public function create($branch, $startPoint = null, array $options = array())
+    {
+        $options = $this->resolve($options);
+        $builder = $this->git->getProcessBuilder()
+            ->add('checkout')
+            ->add('-b');
+
+        $this->addFlags($builder, $options, array('force', 'merge'));
+
+        $builder->add($branch);
+
+        if ($startPoint) {
+            $builder->add($startPoint);
+        }
+
+        $this->git->run($builder->getProcess());
+
+        return true;
+    }
+
+    /**
+     * Create a new orphan branch, named <new_branch>, started from <start_point> and switch to it
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->checkout->orphan('gh-pages');
+     * ```
+     *
+     * ##### Options
+     *
+     * - **force** (_boolean_) Proceed even if the index or the working tree differs from HEAD
+     *
+     * @param string $branch     Branch to checkout
+     * @param string $startPoint [optional] The name of a commit at which to start the new branch
+     * @param array  $options    [optional] An array of options {@see CheckoutCommand::setDefaultOptions}
+     *
+     * @throws GitException
+     * @return bool
+     */
+    public function orphan($branch, $startPoint = null, array $options = array())
+    {
+        $options = $this->resolve($options);
+        $builder = $this->git->getProcessBuilder()
+            ->add('checkout');
+
+        $this->addFlags($builder, $options, array('force', 'merge'));
+
+        $builder->add('--orphan')->add($branch);
+
+        if ($startPoint) {
+            $builder->add($startPoint);
+        }
+
+        $this->git->run($builder->getProcess());
+
+        return true;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * - **force** (_boolean_) Proceed even if the index or the working tree differs from HEAD
+     * - **merge** (_boolean_) Merges local modification
+     */
+    public function setDefaultOptions(OptionsResolverInterface $resolver)
+    {
+        $resolver->setDefaults(array(
+            'force' => false,
+            'merge' => false
+        ));
+    }
+
+}
\ No newline at end of file
diff --git a/library/kzykhys/git/src/PHPGit/Command/CloneCommand.php b/library/kzykhys/git/src/PHPGit/Command/CloneCommand.php
new file mode 100644
index 000000000..cc6b4ab37
--- /dev/null
+++ b/library/kzykhys/git/src/PHPGit/Command/CloneCommand.php
@@ -0,0 +1,71 @@
+<?php
+
+namespace PHPGit\Command;
+
+use PHPGit\Command;
+use PHPGit\Exception\GitException;
+use Symfony\Component\OptionsResolver\OptionsResolverInterface;
+
+/**
+ * Clone a repository into a new directory - `git clone`
+ *
+ * @author Kazuyuki Hayashi <hayashi@valnur.net>
+ */
+class CloneCommand extends Command
+{
+
+    /**
+     * Clone a repository into a new directory
+     * 
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->clone('https://github.com/kzykhys/PHPGit.git', '/path/to/repo');
+     * ```
+     *
+     * ##### Options
+     *
+     * - **shared** (_boolean_) Starts out without any object of its own
+     * - **bare**   (_boolean_) Make a bare GIT repository
+     *
+     * @param string $repository The repository to clone from
+     * @param string $path       [optional] The name of a new directory to clone into
+     * @param array  $options    [optional] An array of options {@see CloneCommand::setDefaultOptions}
+     *
+     * @throws GitException
+     * @return bool
+     */
+    public function __invoke($repository, $path = null, array $options = array())
+    {
+        $options = $this->resolve($options);
+        $builder = $this->git->getProcessBuilder()
+            ->add('clone')
+            ->add('--quiet');
+
+        $this->addFlags($builder, $options);
+
+        $builder->add($repository);
+
+        if ($path) {
+            $builder->add($path);
+        }
+
+        $this->git->run($builder->getProcess());
+
+        return true;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * - **shared** (_boolean_) Starts out without any object of its own
+     * - **bare**   (_boolean_) Make a bare GIT repository
+     */
+    public function setDefaultOptions(OptionsResolverInterface $resolver)
+    {
+        $resolver->setDefaults(array(
+            'shared' => false,
+            'bare'   => false
+        ));
+    }
+
+}
\ No newline at end of file
diff --git a/library/kzykhys/git/src/PHPGit/Command/CommitCommand.php b/library/kzykhys/git/src/PHPGit/Command/CommitCommand.php
new file mode 100644
index 000000000..a4f2bdd95
--- /dev/null
+++ b/library/kzykhys/git/src/PHPGit/Command/CommitCommand.php
@@ -0,0 +1,87 @@
+<?php
+
+namespace PHPGit\Command;
+
+use PHPGit\Command;
+use PHPGit\Exception\GitException;
+use Symfony\Component\OptionsResolver\OptionsResolverInterface;
+
+/**
+ * Record changes to the repository - `git commit`
+ *
+ * @author Kazuyuki Hayashi <hayashi@valnur.net>
+ */
+class CommitCommand extends Command
+{
+
+    /**
+     * Record changes to the repository
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->clone('https://github.com/kzykhys/PHPGit.git', '/path/to/repo');
+     * $git->setRepository('/path/to/repo');
+     * $git->add('README.md');
+     * $git->commit('Fixes README.md');
+     * ```
+     *
+     * ##### Options
+     *
+     * - **all**           (_boolean_) Stage files that have been modified and deleted
+     * - **reuse-message** (_string_)  Take an existing commit object, and reuse the log message and the authorship information (including the timestamp) when creating the commit
+     * - **squash**        (_string_)  Construct a commit message for use with rebase --autosquash
+     * - **author**        (_string_)  Override the commit author
+     * - **date**          (_string_)  Override the author date used in the commit
+     * - **cleanup**       (_string_)  Can be one of verbatim, whitespace, strip, and default
+     * - **amend**         (_boolean_) Used to amend the tip of the current branch
+     *
+     * @param string $message Use the given <$msg> as the commit message
+     * @param array  $options [optional] An array of options {@see CloneCommand::setDefaultOptions}
+     *
+     * @throws GitException
+     * @return bool
+     */
+    public function __invoke($message, array $options = array())
+    {
+        $options = $this->resolve($options);
+        $builder = $this->git->getProcessBuilder()
+            ->add('commit')
+            ->add('-m')->add($message);
+
+        $this->addFlags($builder, $options, array('all', 'amend'));
+        $this->addValues($builder, $options, array('reuse-message', 'squash', 'author', 'date', 'cleanup'));
+
+        $this->git->run($builder->getProcess());
+
+        return true;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * - **all**           (_boolean_) Stage files that have been modified and deleted
+     * - **reuse-message** (_string_)  Take an existing commit object, and reuse the log message and the authorship information (including the timestamp) when creating the commit
+     * - **squash**        (_string_)  Construct a commit message for use with rebase --autosquash
+     * - **author**        (_string_)  Override the commit author
+     * - **date**          (_string_)  Override the author date used in the commit
+     * - **cleanup**       (_string_)  Can be one of verbatim, whitespace, strip, and default
+     * - **amend**         (_boolean_) Used to amend the tip of the current branch
+     */
+    public function setDefaultOptions(OptionsResolverInterface $resolver)
+    {
+        $resolver->setDefaults(array(
+            'all'           => false,
+            'reuse-message' => null,
+            'squash'        => null,
+            'author'        => null,
+            'date'          => null,
+            'cleanup'       => null,
+            'amend'         => false
+        ));
+
+        $resolver->setAllowedValues(array(
+            'cleanup' => array(null, 'default', 'verbatim', 'whitespace', 'strip')
+        ));
+    }
+
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/src/PHPGit/Command/ConfigCommand.php b/library/kzykhys/git/src/PHPGit/Command/ConfigCommand.php
new file mode 100644
index 000000000..cb8bb625f
--- /dev/null
+++ b/library/kzykhys/git/src/PHPGit/Command/ConfigCommand.php
@@ -0,0 +1,132 @@
+<?php
+
+namespace PHPGit\Command;
+
+use PHPGit\Command;
+use PHPGit\Exception\GitException;
+use Symfony\Component\OptionsResolver\OptionsResolverInterface;
+
+/**
+ * Get and set repository or global options - `git config`
+ *
+ * @author Kazuyuki Hayashi <hayashi@valnur.net>
+ */
+class ConfigCommand extends Command
+{
+
+    /**
+     * Returns all variables set in config file
+     *
+     *
+     * ##### Options
+     *
+     * - **global** (_boolean_) Read or write configuration options for the current user
+     * - **system** (_boolean_) Read or write configuration options for all users on the current machine
+     *
+     * @param array $options [optional] An array of options {@see ConfigCommand::setDefaultOptions}
+     *
+     * @throws GitException
+     * @return array
+     */
+    public function __invoke(array $options = array())
+    {
+        $options = $this->resolve($options);
+        $builder = $this->git->getProcessBuilder()
+            ->add('config')
+            ->add('--list')
+            ->add('--null');
+
+        $this->addFlags($builder, $options, array('global', 'system'));
+
+        $config = array();
+        $output = $this->git->run($builder->getProcess());
+        $lines  = $this->split($output, true);
+
+        foreach ($lines as $line) {
+            list($name, $value) = explode("\n", $line, 2);
+
+            if (isset($config[$name])) {
+                $config[$name] .= "\n" . $value;
+            } else {
+                $config[$name] = $value;
+            }
+        }
+
+        return $config;
+    }
+
+    /**
+     * Set an option
+     *
+     * ##### Options
+     *
+     * - **global** (_boolean_) Read or write configuration options for the current user
+     * - **system** (_boolean_) Read or write configuration options for all users on the current machine
+     *
+     * @param string $name    The name of the option
+     * @param string $value   The value to set
+     * @param array  $options [optional] An array of options {@see ConfigCommand::setDefaultOptions}
+     *
+     * @throws GitException
+     * @return bool
+     */
+    public function set($name, $value, array $options = array())
+    {
+        $options = $this->resolve($options);
+        $builder = $this->git->getProcessBuilder()
+            ->add('config');
+
+        $this->addFlags($builder, $options, array('global', 'system'));
+
+        $builder->add($name)->add($value);
+        $process = $builder->getProcess();
+        $this->git->run($process);
+
+        return true;
+    }
+
+    /**
+     * Adds a new line to the option without altering any existing values
+     *
+     * ##### Options
+     *
+     * - **global** (_boolean_) Read or write configuration options for the current user
+     * - **system** (_boolean_) Read or write configuration options for all users on the current machine
+     *
+     * @param string $name    The name of the option
+     * @param string $value   The value to add
+     * @param array  $options [optional] An array of options {@see ConfigCommand::setDefaultOptions}
+     *
+     * @throws GitException
+     * @return bool
+     */
+    public function add($name, $value, array $options = array())
+    {
+        $options = $this->resolve($options);
+        $builder = $this->git->getProcessBuilder()
+            ->add('config');
+
+        $this->addFlags($builder, $options, array('global', 'system'));
+
+        $builder->add('--add')->add($name)->add($value);
+        $process = $builder->getProcess();
+        $this->git->run($process);
+
+        return true;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * - **global** (_boolean_) Read or write configuration options for the current user
+     * - **system** (_boolean_) Read or write configuration options for all users on the current machine
+     */
+    public function setDefaultOptions(OptionsResolverInterface $resolver)
+    {
+        $resolver->setDefaults(array(
+            'global' => false,
+            'system' => false,
+        ));
+    }
+
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/src/PHPGit/Command/DescribeCommand.php b/library/kzykhys/git/src/PHPGit/Command/DescribeCommand.php
new file mode 100644
index 000000000..affdd009b
--- /dev/null
+++ b/library/kzykhys/git/src/PHPGit/Command/DescribeCommand.php
@@ -0,0 +1,90 @@
+<?php
+
+namespace PHPGit\Command;
+
+use PHPGit\Command;
+use Symfony\Component\OptionsResolver\OptionsResolverInterface;
+
+/**
+ * Show the most recent tag that is reachable from a commit - `git describe`
+ *
+ * @author Kazuyuki Hayashi <hayashi@valnur.net>
+ */
+class DescribeCommand extends Command
+{
+
+    /**
+     * Returns the most recent tag that is reachable from a commit
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->tag->create('v1.0.0');
+     * $git->commit('Fixes #14');
+     * echo $git->describe('HEAD', ['tags' => true]);
+     * ```
+     *
+     * ##### Output Example
+     *
+     * ```
+     * v1.0.0-1-g7049efc
+     * ```
+     *
+     * ##### Options
+     *
+     * - **all**    (_boolean_) Enables matching any known branch, remote-tracking branch, or lightweight tag
+     * - **tags**   (_boolean_) Enables matching a lightweight (non-annotated) tag
+     * - **always** (_boolean_) Show uniquely abbreviated commit object as fallback
+     *
+     * @param string $committish [optional] Committish object names to describe.
+     * @param array  $options    [optional] An array of options {@see DescribeCommand::setDefaultOptions}
+     *
+     * @return string
+     */
+    public function __invoke($committish = null, array $options = array())
+    {
+        $options = $this->resolve($options);
+        $builder = $this->git->getProcessBuilder()
+            ->add('describe');
+
+        $this->addFlags($builder, $options, array());
+
+        if ($committish) {
+            $builder->add($committish);
+        }
+
+        return trim($this->git->run($builder->getProcess()));
+    }
+
+    /**
+     * Equivalent to $git->describe($committish, ['tags' => true]);
+     *
+     * @param string $committish [optional] Committish object names to describe.
+     * @param array  $options    [optional] An array of options {@see DescribeCommand::setDefaultOptions}
+     *
+     * @return string
+     */
+    public function tags($committish = null, array $options = array())
+    {
+        $options['tags'] = true;
+
+        return $this->__invoke($committish, $options);
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * - **all**    (_boolean_) Enables matching any known branch, remote-tracking branch, or lightweight tag
+     * - **tags**   (_boolean_) Enables matching a lightweight (non-annotated) tag
+     * - **always** (_boolean_) Show uniquely abbreviated commit object as fallback
+     */
+    public function setDefaultOptions(OptionsResolverInterface $resolver)
+    {
+        $resolver->setDefaults(array(
+            'all'    => false,
+            'tags'   => false,
+            'always' => false,
+        ));
+    }
+
+} 
diff --git a/library/kzykhys/git/src/PHPGit/Command/FetchCommand.php b/library/kzykhys/git/src/PHPGit/Command/FetchCommand.php
new file mode 100644
index 000000000..1302038e8
--- /dev/null
+++ b/library/kzykhys/git/src/PHPGit/Command/FetchCommand.php
@@ -0,0 +1,112 @@
+<?php
+
+namespace PHPGit\Command;
+
+use PHPGit\Command;
+use PHPGit\Exception\GitException;
+use Symfony\Component\OptionsResolver\OptionsResolverInterface;
+
+/**
+ * Download objects and refs from another repository - `git fetch`
+ *
+ * @author Kazuyuki Hayashi <hayashi@valnur.net>
+ */
+class FetchCommand extends Command
+{
+
+    /**
+     * Fetches named heads or tags from one or more other repositories, along with the objects necessary to complete them
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->remote->add('origin', 'git://your/repo.git');
+     * $git->fetch('origin');
+     * ```
+     *
+     * ##### Options
+     *
+     * - **append** (_boolean_) Append ref names and object names of fetched refs to the existing contents of .git/FETCH_HEAD
+     * - **keep**   (_boolean_) Keep downloaded pack
+     * - **prune**  (_boolean_) After fetching, remove any remote-tracking branches which no longer exist on the remote
+     *
+     * @param string $repository The "remote" repository that is the source of a fetch or pull operation
+     * @param string $refspec    The format of a <refspec> parameter is an optional plus +, followed by the source ref <src>,
+     *                            followed by a colon :, followed by the destination ref <dst>
+     * @param array  $options    [optional] An array of options {@see FetchCommand::setDefaultOptions}
+     *
+     * @throws GitException
+     * @return bool
+     */
+    public function __invoke($repository, $refspec = null, array $options = array())
+    {
+        $options = $this->resolve($options);
+        $builder = $this->git->getProcessBuilder()
+            ->add('fetch');
+
+        $this->addFlags($builder, $options);
+        $builder->add($repository);
+
+        if ($refspec) {
+            $builder->add($refspec);
+        }
+
+        $this->git->run($builder->getProcess());
+
+        return true;
+    }
+
+    /**
+     * Fetch all remotes
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->remote->add('origin', 'git://your/repo.git');
+     * $git->remote->add('release', 'git://your/another_repo.git');
+     * $git->fetch->all();
+     * ```
+     *
+     * ##### Options
+     *
+     * - **append** (_boolean_) Append ref names and object names of fetched refs to the existing contents of .git/FETCH_HEAD
+     * - **keep**   (_boolean_) Keep downloaded pack
+     * - **prune**  (_boolean_) After fetching, remove any remote-tracking branches which no longer exist on the remote
+     *
+     * @param array $options [optional] An array of options {@see FetchCommand::setDefaultOptions}
+     *
+     * @throws GitException
+     * @return bool
+     */
+    public function all(array $options = array())
+    {
+        $options = $this->resolve($options);
+        $builder = $this->git->getProcessBuilder()
+            ->add('fetch')
+            ->add('--all');
+
+        $this->addFlags($builder, $options);
+
+        $this->git->run($builder->getProcess());
+
+        return true;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * - **append** (_boolean_) Append ref names and object names of fetched refs to the existing contents of .git/FETCH_HEAD
+     * - **keep**   (_boolean_) Keep downloaded pack
+     * - **prune**  (_boolean_) After fetching, remove any remote-tracking branches which no longer exist on the remote
+     */
+    public function setDefaultOptions(OptionsResolverInterface $resolver)
+    {
+        $resolver->setDefaults(array(
+            'append' => false,
+            //'force'  => false,
+            'keep'   => false,
+            'prune'  => false,
+        ));
+    }
+
+}
\ No newline at end of file
diff --git a/library/kzykhys/git/src/PHPGit/Command/InitCommand.php b/library/kzykhys/git/src/PHPGit/Command/InitCommand.php
new file mode 100644
index 000000000..1ff56fa5b
--- /dev/null
+++ b/library/kzykhys/git/src/PHPGit/Command/InitCommand.php
@@ -0,0 +1,65 @@
+<?php
+
+namespace PHPGit\Command;
+
+use PHPGit\Command;
+use PHPGit\Exception\GitException;
+use Symfony\Component\OptionsResolver\OptionsResolverInterface;
+
+/**
+ * Create an empty git repository or reinitialize an existing one - `git init`
+ *
+ * @author Kazuyuki Hayashi <hayashi@valnur.net>
+ */
+class InitCommand extends Command
+{
+
+    /**
+     * Create an empty git repository or reinitialize an existing one
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->init('/path/to/repo1');
+     * $git->init('/path/to/repo2', array('shared' => true, 'bare' => true));
+     * ```
+     *
+     * ##### Options
+     *
+     * - **shared** (_boolean_) Specify that the git repository is to be shared amongst several users
+     * - **bare**   (_boolean_) Create a bare repository
+     *
+     * @param string $path    The directory to create an empty repository
+     * @param array  $options [optional] An array of options {@see InitCommand::setDefaultOptions}
+     *
+     * @throws GitException
+     * @return bool
+     */
+    public function __invoke($path, array $options = array())
+    {
+        $options = $this->resolve($options);
+        $builder = $this->git->getProcessBuilder()
+            ->add('init');
+
+        $this->addFlags($builder, $options, array('shared', 'bare'));
+
+        $process = $builder->add($path)->getProcess();
+        $this->git->run($process);
+
+        return true;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * - **shared** (_boolean_) Specify that the git repository is to be shared amongst several users
+     * - **bare**   (_boolean_) Create a bare repository
+     */
+    public function setDefaultOptions(OptionsResolverInterface $resolver)
+    {
+        $resolver->setDefaults(array(
+            'shared' => false,
+            'bare'   => false
+        ));
+    }
+
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/src/PHPGit/Command/LogCommand.php b/library/kzykhys/git/src/PHPGit/Command/LogCommand.php
new file mode 100644
index 000000000..c116550f7
--- /dev/null
+++ b/library/kzykhys/git/src/PHPGit/Command/LogCommand.php
@@ -0,0 +1,105 @@
+<?php
+
+namespace PHPGit\Command;
+
+use PHPGit\Command;
+use PHPGit\Exception\GitException;
+use Symfony\Component\OptionsResolver\OptionsResolverInterface;
+
+/**
+ * Show commit logs - `git log`
+ *
+ * @author Kazuyuki Hayashi <hayashi@valnur.net>
+ */
+class LogCommand extends Command
+{
+
+    /**
+     * Returns the commit logs
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $logs = $git->log(array('limit' => 10));
+     * ```
+     *
+     * ##### Output Example
+     *
+     * ``` php
+     * [
+     *     0 => [
+     *         'hash'  => '1a821f3f8483747fd045eb1f5a31c3cc3063b02b',
+     *         'name'  => 'John Doe',
+     *         'email' => 'john@example.com',
+     *         'date'  => 'Fri Jan 17 16:32:49 2014 +0900',
+     *         'title' => 'Initial Commit'
+     *     ],
+     *     1 => [
+     *         //...
+     *     ]
+     * ]
+     * ```
+     *
+     * ##### Options
+     *
+     * - **limit** (_integer_) Limits the number of commits to show
+     * - **skip**  (_integer_) Skip number commits before starting to show the commit output
+     *
+     * @param string $revRange [optional] Show only commits in the specified revision range
+     * @param string $path     [optional] Show only commits that are enough to explain how the files that match the specified paths came to be
+     * @param array  $options  [optional] An array of options {@see LogCommand::setDefaultOptions}
+     *
+     * @throws GitException
+     * @return array
+     */
+    public function __invoke($revRange = '', $path = null, array $options = array())
+    {
+        $commits = array();
+        $options = $this->resolve($options);
+
+        $builder = $this->git->getProcessBuilder()
+            ->add('log')
+            ->add('-n')->add($options['limit'])
+            ->add('--skip=' . $options['skip'])
+            ->add('--format=%H||%aN||%aE||%aD||%s');
+
+        if ($revRange) {
+            $builder->add($revRange);
+        }
+
+        if ($path) {
+            $builder->add('--')->add($path);
+        }
+
+        $output = $this->git->run($builder->getProcess());
+        $lines  = $this->split($output);
+
+        foreach ($lines as $line) {
+            list($hash, $name, $email, $date, $title) = preg_split('/\|\|/', $line, -1, PREG_SPLIT_NO_EMPTY);
+            $commits[] = array(
+                'hash'  => $hash,
+                'name'  => $name,
+                'email' => $email,
+                'date'  => $date,
+                'title' => $title
+            );
+        }
+
+        return $commits;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * - **limit** (_integer_) Limits the number of commits to show
+     * - **skip**  (_integer_) Skip number commits before starting to show the commit output
+     */
+    public function setDefaultOptions(OptionsResolverInterface $resolver)
+    {
+        $resolver->setDefaults(array(
+            'limit' => 10,
+            'skip'  => 0
+        ));
+    }
+
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/src/PHPGit/Command/MergeCommand.php b/library/kzykhys/git/src/PHPGit/Command/MergeCommand.php
new file mode 100644
index 000000000..e1987151f
--- /dev/null
+++ b/library/kzykhys/git/src/PHPGit/Command/MergeCommand.php
@@ -0,0 +1,110 @@
+<?php
+
+namespace PHPGit\Command;
+
+use PHPGit\Command;
+use PHPGit\Exception\GitException;
+use Symfony\Component\OptionsResolver\OptionsResolverInterface;
+
+/**
+ * Join two or more development histories together - `git merge`
+ *
+ * @author Kazuyuki Hayashi <hayashi@valnur.net>
+ */
+class MergeCommand extends Command
+{
+
+    /**
+     * Incorporates changes from the named commits into the current branch
+     *
+     * ```php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->merge('1.0');
+     * $git->merge('1.1', 'Merge message', ['strategy' => 'ours']);
+     * ```
+     *
+     * ##### Options
+     *
+     * - **no-ff**               (_boolean_) Do not generate a merge commit if the merge resolved as a fast-forward, only update the branch pointer
+     * - **rerere-autoupdate**   (_boolean_) Allow the rerere mechanism to update the index with the result of auto-conflict resolution if possible
+     * - **squash**              (_boolean_) Allows you to create a single commit on top of the current branch whose effect is the same as merging another branch
+     * - **strategy**            (_string_)  Use the given merge strategy
+     * - **strategy-option**     (_string_)  Pass merge strategy specific option through to the merge strategy
+     *
+     * @param string|array|\Traversable $commit  Commits to merge into our branch
+     * @param string                    $message [optional] Commit message to be used for the merge commit
+     * @param array                     $options [optional] An array of options {@see MergeCommand::setDefaultOptions}
+     *
+     * @throws GitException
+     * @return bool
+     */
+    public function __invoke($commit, $message = null, array $options = array())
+    {
+        $options = $this->resolve($options);
+        $builder = $this->git->getProcessBuilder()
+            ->add('merge');
+
+        $this->addFlags($builder, $options, array('no-ff', 'rerere-autoupdate', 'squash'));
+
+        if (!is_array($commit) && !($commit instanceof \Traversable)) {
+            $commit = array($commit);
+        }
+        foreach ($commit as $value) {
+            $builder->add($value);
+        }
+
+        $this->git->run($builder->getProcess());
+
+        return true;
+    }
+
+    /**
+     * Abort the merge process and try to reconstruct the pre-merge state
+     *
+     * ```php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * try {
+     *     $git->merge('dev');
+     * } catch (PHPGit\Exception\GitException $e) {
+     *     $git->merge->abort();
+     * }
+     * ```
+     *
+     * @throws GitException
+     * @return bool
+     */
+    public function abort()
+    {
+        $builder = $this->git->getProcessBuilder()
+            ->add('merge')
+            ->add('--abort');
+
+        $this->git->run($builder->getProcess());
+
+        return true;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * - **no-ff**               (_boolean_) Do not generate a merge commit if the merge resolved as a fast-forward, only update the branch pointer
+     * - **rerere-autoupdate**   (_boolean_) Allow the rerere mechanism to update the index with the result of auto-conflict resolution if possible
+     * - **squash**              (_boolean_) Allows you to create a single commit on top of the current branch whose effect is the same as merging another branch
+     * - **strategy**            (_string_)  Use the given merge strategy
+     * - **strategy-option**     (_string_)  Pass merge strategy specific option through to the merge strategy
+     */
+    public function setDefaultOptions(OptionsResolverInterface $resolver)
+    {
+        $resolver->setDefaults(array(
+            'no-ff'             => false,
+            'rerere-autoupdate' => false,
+            'squash'            => false,
+
+            'strategy'          => null,
+            'strategy-option'   => null
+        ));
+    }
+
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/src/PHPGit/Command/MvCommand.php b/library/kzykhys/git/src/PHPGit/Command/MvCommand.php
new file mode 100644
index 000000000..fe7ce6af6
--- /dev/null
+++ b/library/kzykhys/git/src/PHPGit/Command/MvCommand.php
@@ -0,0 +1,70 @@
+<?php
+
+namespace PHPGit\Command;
+
+use PHPGit\Command;
+use Symfony\Component\OptionsResolver\OptionsResolverInterface;
+
+/**
+ * Move or rename a file, a directory, or a symlink - `git mv`
+ *
+ * @author Kazuyuki Hayashi <hayashi@valnur.net>
+ */
+class MvCommand extends Command
+{
+
+    /**
+     * Move or rename a file, a directory, or a symlink
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->mv('UPGRADE-1.0.md', 'UPGRADE-1.1.md');
+     * ```
+     *
+     * ##### Options
+     *
+     * - **force** (_boolean_) Force renaming or moving of a file even if the target exists
+     *
+     * @param string|array|\Iterator $source      The files to move
+     * @param string                 $destination The destination
+     * @param array                  $options     [optional] An array of options {@see MvCommand::setDefaultOptions}
+     *
+     * @return bool
+     */
+    public function __invoke($source, $destination, array $options = array())
+    {
+        $options = $this->resolve($options);
+        $builder = $this->git->getProcessBuilder()
+            ->add('mv');
+
+        $this->addFlags($builder, $options, array('force'));
+
+        if (!is_array($source) && !($source instanceof \Traversable)) {
+            $source = array($source);
+        }
+
+        foreach ($source as $value) {
+            $builder->add($value);
+        }
+
+        $builder->add($destination);
+
+        $this->git->run($builder->getProcess());
+
+        return true;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * - **force** (_boolean_) Force renaming or moving of a file even if the target exists
+     */
+    public function setDefaultOptions(OptionsResolverInterface $resolver)
+    {
+        $resolver->setDefaults(array(
+            'force' => false
+        ));
+    }
+
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/src/PHPGit/Command/PullCommand.php b/library/kzykhys/git/src/PHPGit/Command/PullCommand.php
new file mode 100644
index 000000000..a7cea0025
--- /dev/null
+++ b/library/kzykhys/git/src/PHPGit/Command/PullCommand.php
@@ -0,0 +1,59 @@
+<?php
+
+namespace PHPGit\Command;
+
+use PHPGit\Command;
+use Symfony\Component\OptionsResolver\OptionsResolverInterface;
+
+/**
+ * Fetch from and merge with another repository or a local branch - `git pull`
+ *
+ * @author Kazuyuki Hayashi <hayashi@valnur.net>
+ */
+class PullCommand extends Command
+{
+
+    /**
+     * Fetch from and merge with another repository or a local branch
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->pull('origin', 'master');
+     * ```
+     *
+     * @param string $repository  The "remote" repository that is the source of a fetch or pull operation
+     * @param string $refspec     The format of a <refspec> parameter is an optional plus +,
+     *                            followed by the source ref <src>, followed by a colon :, followed by the destination ref <dst>
+     * @param array  $options     [optional] An array of options {@see PullCommand::setDefaultOptions}
+     *
+     * @return bool
+     */
+    public function __invoke($repository = null, $refspec = null, array $options = array())
+    {
+        $options = $this->resolve($options);
+        $builder = $this->git->getProcessBuilder()
+            ->add('pull');
+
+        if ($repository) {
+            $builder->add($repository);
+
+            if ($refspec) {
+                $builder->add($refspec);
+            }
+        }
+
+        $this->git->run($builder->getProcess());
+
+        return true;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function setDefaultOptions(OptionsResolverInterface $resolver)
+    {
+
+    }
+
+}
\ No newline at end of file
diff --git a/library/kzykhys/git/src/PHPGit/Command/PushCommand.php b/library/kzykhys/git/src/PHPGit/Command/PushCommand.php
new file mode 100644
index 000000000..d0665d735
--- /dev/null
+++ b/library/kzykhys/git/src/PHPGit/Command/PushCommand.php
@@ -0,0 +1,65 @@
+<?php
+
+namespace PHPGit\Command;
+
+use PHPGit\Command;
+use Symfony\Component\OptionsResolver\OptionsResolverInterface;
+
+/**
+ * Update remote refs along with associated objects - `git push`
+ *
+ * @author Kazuyuki Hayashi <hayashi@valnur.net>
+ */
+class PushCommand extends Command
+{
+
+    /**
+     * Update remote refs along with associated objects
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->push('origin', 'master');
+     * ```
+     *
+     * @param string $repository The "remote" repository that is destination of a push operation
+     * @param string $refspec    Specify what destination ref to update with what source object
+     * @param array  $options    [optional] An array of options {@see PushCommand::setDefaultOptions}
+     *
+     * @return bool
+     */
+    public function __invoke($repository = null, $refspec = null, array $options = array())
+    {
+        $options = $this->resolve($options);
+        $builder = $this->git->getProcessBuilder()
+            ->add('push');
+
+        $this->addFlags($builder, $options);
+
+        if ($repository) {
+            $builder->add($repository);
+
+            if ($refspec) {
+                $builder->add($refspec);
+            }
+        }
+
+        $this->git->run($builder->getProcess());
+
+        return true;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function setDefaultOptions(OptionsResolverInterface $resolver)
+    {
+        $resolver->setDefaults(array(
+            'all'    => false,
+            'mirror' => false,
+            'tags'   => false,
+            'force'  => false
+        ));
+    }
+
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/src/PHPGit/Command/RebaseCommand.php b/library/kzykhys/git/src/PHPGit/Command/RebaseCommand.php
new file mode 100644
index 000000000..7516b360c
--- /dev/null
+++ b/library/kzykhys/git/src/PHPGit/Command/RebaseCommand.php
@@ -0,0 +1,129 @@
+<?php
+
+namespace PHPGit\Command;
+
+use PHPGit\Command;
+use Symfony\Component\OptionsResolver\OptionsResolverInterface;
+
+/**
+ * Forward-port local commits to the updated upstream head - `git rebase`
+ *
+ * @author Kazuyuki Hayashi <hayashi@valnur.net>
+ */
+class RebaseCommand extends Command
+{
+
+    /**
+     * Forward-port local commits to the updated upstream head
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->fetch('origin');
+     * $git->rebase('origin/master');
+     * ```
+     *
+     * ##### Options
+     *
+     * - **onto**          (_string_)  Starting point at which to create the new commits
+     * - **no-verify**     (_boolean_) Bypasses the pre-rebase hook
+     * - **force-rebase**  (_boolean_) Force the rebase even if the current branch is a descendant of the commit you are rebasing onto
+     *
+     * @param string $upstream [optional] Upstream branch to compare against
+     * @param string $branch   [optional] Working branch; defaults to HEAD
+     * @param array  $options  [optional] An array of options {@see RebaseCommand::setDefaultOptions}
+     *
+     * @return bool
+     */
+    public function __invoke($upstream = null, $branch = null, array $options = array())
+    {
+        $options = $this->resolve($options);
+        $builder = $this->git->getProcessBuilder()
+            ->add('rebase');
+
+        if ($options['onto']) {
+            $builder->add('--onto')->add($options['onto']);
+        }
+
+        if ($upstream) {
+            $builder->add($upstream);
+        }
+
+        if ($branch) {
+            $builder->add($branch);
+        }
+
+        $this->git->run($builder->getProcess());
+
+        return true;
+    }
+
+    /**
+     * Restart the rebasing process after having resolved a merge conflict
+     *
+     * @return bool
+     */
+    public function continues()
+    {
+        $builder = $this->git->getProcessBuilder()
+            ->add('rebase')
+            ->add('--continue');
+
+        $this->git->run($builder->getProcess());
+
+        return true;
+    }
+
+    /**
+     * Abort the rebase operation and reset HEAD to the original branch
+     *
+     * @return bool
+     */
+    public function abort()
+    {
+        $builder = $this->git->getProcessBuilder()
+            ->add('rebase')
+            ->add('--abort');
+
+        $this->git->run($builder->getProcess());
+
+        return true;
+    }
+
+    /**
+     * Restart the rebasing process by skipping the current patch
+     *
+     * @return bool
+     */
+    public function skip()
+    {
+        $builder = $this->git->getProcessBuilder()
+            ->add('rebase')
+            ->add('--skip');
+
+        $this->git->run($builder->getProcess());
+
+        return true;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * - **onto**          (_string_)  Starting point at which to create the new commits
+     * - **no-verify**     (_boolean_) Bypasses the pre-rebase hook
+     * - **force-rebase**  (_boolean_) Force the rebase even if the current branch is a descendant of the commit you are rebasing onto
+     */
+    public function setDefaultOptions(OptionsResolverInterface $resolver)
+    {
+        $resolver->setDefaults(array(
+            'onto'         => null,
+            'no-verify'    => false,
+            'force-rebase' => false
+        ));
+
+        $resolver->setAllowedTypes(array(
+            'onto' => array('null', 'string')
+        ));
+    }
+
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/src/PHPGit/Command/Remote/SetBranchesCommand.php b/library/kzykhys/git/src/PHPGit/Command/Remote/SetBranchesCommand.php
new file mode 100644
index 000000000..4e17a4d48
--- /dev/null
+++ b/library/kzykhys/git/src/PHPGit/Command/Remote/SetBranchesCommand.php
@@ -0,0 +1,98 @@
+<?php
+
+namespace PHPGit\Command\Remote;
+
+use PHPGit\Command;
+
+/**
+ * Changes the list of branches tracked by the named remote
+ *
+ * @author Kazuyuki Hayashi
+ */
+class SetBranchesCommand extends Command
+{
+
+    /**
+     * Alias of set()
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->remote->add('origin', 'https://github.com/kzykhys/Text.git');
+     * $git->remote->branches('origin', array('master', 'develop'));
+     * ```
+     *
+     * @param string $name     The remote name
+     * @param array  $branches The names of the tracked branch
+     *
+     * @return bool
+     */
+    public function __invoke($name, array $branches)
+    {
+        return $this->set($name, $branches);
+    }
+
+    /**
+     * Changes the list of branches tracked by the named remote
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->remote->add('origin', 'https://github.com/kzykhys/Text.git');
+     * $git->remote->branches->set('origin', array('master', 'develop'));
+     * ```
+     *
+     * @param string $name     The remote name
+     * @param array  $branches The names of the tracked branch
+     *
+     * @return bool
+     */
+    public function set($name, array $branches)
+    {
+        $builder = $this->git->getProcessBuilder()
+            ->add('remote')
+            ->add('set-branches')
+            ->add($name);
+
+        foreach ($branches as $branch) {
+            $builder->add($branch);
+        }
+
+        $this->git->run($builder->getProcess());
+
+        return true;
+    }
+
+    /**
+     * Adds to the list of branches tracked by the named remote
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->remote->add('origin', 'https://github.com/kzykhys/Text.git');
+     * $git->remote->branches->add('origin', array('master', 'develop'));
+     * ```
+     *
+     * @param string $name     The remote name
+     * @param array  $branches The names of the tracked branch
+     *
+     * @return bool
+     */
+    public function add($name, array $branches)
+    {
+        $builder = $this->git->getProcessBuilder()
+            ->add('remote')
+            ->add('set-branches')
+            ->add($name)
+            ->add('--add');
+
+        foreach ($branches as $branch) {
+            $builder->add($branch);
+        }
+
+        $this->git->run($builder->getProcess());
+
+        return true;
+    }
+
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/src/PHPGit/Command/Remote/SetHeadCommand.php b/library/kzykhys/git/src/PHPGit/Command/Remote/SetHeadCommand.php
new file mode 100644
index 000000000..9241ef5b7
--- /dev/null
+++ b/library/kzykhys/git/src/PHPGit/Command/Remote/SetHeadCommand.php
@@ -0,0 +1,120 @@
+<?php
+
+namespace PHPGit\Command\Remote;
+
+use PHPGit\Command;
+
+/**
+ * Sets or deletes the default branch (i.e. the target of the symbolic-ref refs/remotes/<name>/HEAD) for the named remote
+ *
+ * @author Kazuyuki Hayashi
+ */
+class SetHeadCommand extends Command
+{
+
+    /**
+     * Alias of set()
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->remote->add('origin', 'https://github.com/kzykhys/Text.git');
+     * $git->remote->head('origin');
+     * ```
+     *
+     * @param string $name   The remote name
+     * @param string $branch [optional] The symbolic-ref to set
+     *
+     * @return bool
+     */
+    public function __invoke($name, $branch = null)
+    {
+        return $this->set($name, $branch);
+    }
+
+    /**
+     * Sets the default branch for the named remote
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->remote->add('origin', 'https://github.com/kzykhys/Text.git');
+     * $git->remote->head->set('origin');
+     * ```
+     *
+     * @param string $name   The remote name
+     * @param string $branch [optional] The symbolic-ref to set
+     *
+     * @return bool
+     */
+    public function set($name, $branch)
+    {
+        $builder = $this->git->getProcessBuilder()
+            ->add('remote')
+            ->add('set-head')
+            ->add($name);
+
+        if ($branch) {
+            $builder->add($branch);
+        }
+
+        $this->git->run($builder->getProcess());
+
+        return true;
+    }
+
+    /**
+     * Deletes the default branch for the named remote
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->remote->add('origin', 'https://github.com/kzykhys/Text.git');
+     * $git->remote->head->delete('origin');
+     * ```
+     *
+     * @param string $name The remote name
+     *
+     * @return bool
+     */
+    public function delete($name)
+    {
+        $builder = $this->git->getProcessBuilder()
+            ->add('remote')
+            ->add('set-head')
+            ->add($name)
+            ->add('-d');
+
+        $this->git->run($builder->getProcess());
+
+        return true;
+    }
+
+    /**
+     * Determine the default branch by querying remote
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->remote->add('origin', 'https://github.com/kzykhys/Text.git');
+     * $git->remote->head->remote('origin');
+     * ```
+     *
+     * @param string $name The remote name
+     *
+     * @return bool
+     */
+    public function remote($name)
+    {
+        $builder = $this->git->getProcessBuilder()
+            ->add('remote')
+            ->add('set-head')
+            ->add($name)
+            ->add('-a');
+
+        $this->git->run($builder->getProcess());
+
+        return true;
+    }
+
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/src/PHPGit/Command/Remote/SetUrlCommand.php b/library/kzykhys/git/src/PHPGit/Command/Remote/SetUrlCommand.php
new file mode 100644
index 000000000..7b7d84ff5
--- /dev/null
+++ b/library/kzykhys/git/src/PHPGit/Command/Remote/SetUrlCommand.php
@@ -0,0 +1,175 @@
+<?php
+
+namespace PHPGit\Command\Remote;
+
+use PHPGit\Command;
+use Symfony\Component\OptionsResolver\OptionsResolverInterface;
+
+/**
+ * Changes URL remote points to
+ *
+ * @author Kazuyuki Hayashi
+ */
+class SetUrlCommand extends Command
+{
+
+    /**
+     * Alias of set()
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->remote->add('origin', 'https://github.com/kzykhys/Text.git');
+     * $git->remote->url('origin', 'https://github.com/text/Text.git');
+     * ```
+     *
+     * ##### Options
+     *
+     * - **push** (_boolean_) Push URLs are manipulated instead of fetch URLs
+     *
+     * @param string $name    The name of remote
+     * @param string $newUrl  The new URL
+     * @param string $oldUrl  [optional] The old URL
+     * @param array  $options [optional] An array of options {@see SetUrlCommand::setDefaultOptions}
+     *
+     * @return bool
+     */
+    public function __invoke($name, $newUrl, $oldUrl = null, array $options = array())
+    {
+        return $this->set($name, $newUrl, $oldUrl, $options);
+    }
+
+    /**
+     * Sets the URL remote to $newUrl
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->remote->add('origin', 'https://github.com/kzykhys/Text.git');
+     * $git->remote->url->set('origin', 'https://github.com/text/Text.git');
+     * ```
+     *
+     * ##### Options
+     *
+     * - **push** (_boolean_) Push URLs are manipulated instead of fetch URLs
+     *
+     * @param string $name    The name of remote
+     * @param string $newUrl  The new URL
+     * @param string $oldUrl  [optional] The old URL
+     * @param array  $options [optional] An array of options {@see SetUrlCommand::setDefaultOptions}
+     *
+     * @return bool
+     */
+    public function set($name, $newUrl, $oldUrl = null, array $options = array())
+    {
+        $options = $this->resolve($options);
+        $builder = $this->git->getProcessBuilder()
+            ->add('remote')
+            ->add('set-url');
+
+        $this->addFlags($builder, $options);
+
+        $builder
+            ->add($name)
+            ->add($newUrl);
+
+        if ($oldUrl) {
+            $builder->add($oldUrl);
+        }
+
+        $this->git->run($builder->getProcess());
+
+        return true;
+    }
+
+    /**
+     * Adds new URL to remote
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->remote->add('origin', 'https://github.com/kzykhys/Text.git');
+     * $git->remote->url->add('origin', 'https://github.com/text/Text.git');
+     * ```
+     *
+     * ##### Options
+     *
+     * - **push** (_boolean_) Push URLs are manipulated instead of fetch URLs
+     *
+     * @param string $name    The name of remote
+     * @param string $newUrl  The new URL
+     * @param array  $options [optional] An array of options {@see SetUrlCommand::setDefaultOptions}
+     *
+     * @return bool
+     */
+    public function add($name, $newUrl, array $options = array())
+    {
+        $options = $this->resolve($options);
+        $builder = $this->git->getProcessBuilder()
+            ->add('remote')
+            ->add('set-url')
+            ->add('--add');
+
+        $this->addFlags($builder, $options);
+
+        $builder
+            ->add($name)
+            ->add($newUrl);
+
+        $this->git->run($builder->getProcess());
+
+        return true;
+    }
+
+    /**
+     * Deletes all URLs matching regex $url
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->remote->add('origin', 'https://github.com/kzykhys/Text.git');
+     * $git->remote->url->delete('origin', 'https://github.com');
+     * ```
+     *
+     * ##### Options
+     *
+     * - **push** (_boolean_) Push URLs are manipulated instead of fetch URLs
+     *
+     * @param string $name    The remote name
+     * @param string $url     The URL to delete
+     * @param array  $options [optional] An array of options {@see SetUrlCommand::setDefaultOptions}
+     *
+     * @return bool
+     */
+    public function delete($name, $url, array $options = array())
+    {
+        $options = $this->resolve($options);
+        $builder = $this->git->getProcessBuilder()
+            ->add('remote')
+            ->add('set-url')
+            ->add('--delete');
+
+        $this->addFlags($builder, $options);
+
+        $builder
+            ->add($name)
+            ->add($url);
+
+        $this->git->run($builder->getProcess());
+
+        return true;
+    }
+    
+    /**
+     * {@inheritdoc}
+     *
+     * - **push** (_boolean_) Push URLs are manipulated instead of fetch URLs
+     */
+    public function setDefaultOptions(OptionsResolverInterface $resolver)
+    {
+        $resolver->setDefaults(array(
+            'push' => false
+        ));
+    }
+
+}
\ No newline at end of file
diff --git a/library/kzykhys/git/src/PHPGit/Command/RemoteCommand.php b/library/kzykhys/git/src/PHPGit/Command/RemoteCommand.php
new file mode 100644
index 000000000..08220a551
--- /dev/null
+++ b/library/kzykhys/git/src/PHPGit/Command/RemoteCommand.php
@@ -0,0 +1,278 @@
+<?php
+
+namespace PHPGit\Command;
+
+use PHPGit\Command;
+use PHPGit\Git;
+use Symfony\Component\OptionsResolver\OptionsResolverInterface;
+
+/**
+ * Manage set of tracked repositories - `git remote`
+ *
+ * @author Kazuyuki Hayashi <hayashi@valnur.net>
+ *
+ * @method head($name, $branch)                                     Sets the default branch for the named remote
+ * @method branches($name, $branches)                               Changes the list of branches tracked by the named remote
+ * @method url($name, $newUrl, $oldUrl = null, $options = array()) Sets the URL remote to $newUrl
+ */
+class RemoteCommand extends Command
+{
+
+    /** @var Remote\SetHeadCommand */
+    public $head;
+
+    /** @var Remote\SetBranchesCommand */
+    public $branches;
+
+    /** @var Remote\SetUrlCommand */
+    public $url;
+
+    /**
+     * @param Git $git
+     */
+    public function __construct(Git $git)
+    {
+        parent::__construct($git);
+
+        $this->head     = new Remote\SetHeadCommand($git);
+        $this->branches = new Remote\SetBranchesCommand($git);
+        $this->url      = new Remote\SetUrlCommand($git);
+    }
+
+    /**
+     * Calls sub-commands
+     *
+     * @param string $name      The name of a property
+     * @param array  $arguments An array of arguments
+     *
+     * @throws \BadMethodCallException
+     * @return mixed
+     */
+    public function __call($name, $arguments)
+    {
+        if (isset($this->{$name}) && is_callable($this->{$name})) {
+            return call_user_func_array($this->{$name}, $arguments);
+        }
+
+        throw new \BadMethodCallException(sprintf('Call to undefined method %s::%s()', __CLASS__, $name));
+    }
+
+    /**
+     * Returns an array of existing remotes
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->clone('https://github.com/kzykhys/Text.git', '/path/to/repo');
+     * $git->setRepository('/path/to/repo');
+     * $remotes = $git->remote();
+     * ```
+     *
+     * ##### Output Example
+     *
+     * ``` php
+     * [
+     *     'origin' => [
+     *         'fetch' => 'https://github.com/kzykhys/Text.git',
+     *         'push'  => 'https://github.com/kzykhys/Text.git'
+     *     ]
+     * ]
+     * ```
+     *
+     * @return array
+     */
+    public function __invoke()
+    {
+        $builder = $this->git->getProcessBuilder()
+            ->add('remote')
+            ->add('-v');
+
+        $remotes = array();
+        $output  = $this->git->run($builder->getProcess());
+        $lines   = $this->split($output);
+
+        foreach ($lines as $line) {
+            if (preg_match('/^(.*)\t(.*)\s\((.*)\)$/', $line, $matches)) {
+                if (!isset($remotes[$matches[1]])) {
+                    $remotes[$matches[1]] = array();
+                }
+
+                $remotes[$matches[1]][$matches[3]] = $matches[2];
+            }
+        }
+
+        return $remotes;
+    }
+
+    /**
+     * Adds a remote named **$name** for the repository at **$url**
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->remote->add('origin', 'https://github.com/kzykhys/Text.git');
+     * $git->fetch('origin');
+     * ```
+     *
+     * ##### Options
+     *
+     * - **tags**    (_boolean_) With this option, `git fetch <name>` imports every tag from the remote repository
+     * - **no-tags** (_boolean_) With this option, `git fetch <name>` does not import tags from the remote repository
+     *
+     * @param string $name    The name of the remote
+     * @param string $url     The url of the remote
+     * @param array  $options [optional] An array of options {@see RemoteCommand::setDefaultOptions}
+     *
+     * @return bool
+     */
+    public function add($name, $url, array $options = array())
+    {
+        $options = $this->resolve($options);
+        $builder = $this->git->getProcessBuilder()
+            ->add('remote')
+            ->add('add');
+
+        $this->addFlags($builder, $options, array('tags', 'no-tags'));
+
+        $builder->add($name)->add($url);
+
+        $this->git->run($builder->getProcess());
+
+        return true;
+    }
+
+    /**
+     * Rename the remote named **$name** to **$newName**
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->remote->add('origin', 'https://github.com/kzykhys/Text.git');
+     * $git->remote->rename('origin', 'upstream');
+     * ```
+     *
+     * @param string $name    The remote name to rename
+     * @param string $newName The new remote name
+     *
+     * @return bool
+     */
+    public function rename($name, $newName)
+    {
+        $builder = $this->git->getProcessBuilder()
+            ->add('remote')
+            ->add('rename')
+            ->add($name)
+            ->add($newName);
+
+        $this->git->run($builder->getProcess());
+
+        return true;
+    }
+
+    /**
+     * Remove the remote named **$name**
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->remote->add('origin', 'https://github.com/kzykhys/Text.git');
+     * $git->remote->rm('origin');
+     * ```
+     *
+     * @param string $name The remote name to remove
+     *
+     * @return bool
+     */
+    public function rm($name)
+    {
+        $builder = $this->git->getProcessBuilder()
+            ->add('remote')
+            ->add('rm')
+            ->add($name);
+
+        $this->git->run($builder->getProcess());
+
+        return true;
+    }
+
+    /**
+     * Gives some information about the remote **$name**
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->clone('https://github.com/kzykhys/Text.git', '/path/to/repo');
+     * $git->setRepository('/path/to/repo');
+     * echo $git->remote->show('origin');
+     * ```
+     *
+     * ##### Output Example
+     *
+     * ```
+     * \* remote origin
+     *   Fetch URL: https://github.com/kzykhys/Text.git
+     *   Push  URL: https://github.com/kzykhys/Text.git
+     *   HEAD branch: master
+     *   Remote branch:
+     *     master tracked
+     *   Local branch configured for 'git pull':
+     *     master merges with remote master
+     *   Local ref configured for 'git push':
+     *     master pushes to master (up to date)
+     * ```
+     *
+     * @param string $name The remote name to show
+     *
+     * @return string
+     */
+    public function show($name)
+    {
+        $builder = $this->git->getProcessBuilder()
+            ->add('remote')
+            ->add('show')
+            ->add($name);
+
+        return $this->git->run($builder->getProcess());
+    }
+
+    /**
+     * Deletes all stale remote-tracking branches under **$name**
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->remote->prune('origin');
+     * ```
+     *
+     * @param string $name The remote name
+     *
+     * @return bool
+     */
+    public function prune($name = null)
+    {
+        $builder = $this->git->getProcessBuilder()
+            ->add('remote')
+            ->add('prune');
+
+        if ($name) {
+            $builder->add($name);
+        }
+
+        $this->git->run($builder->getProcess());
+
+        return true;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * - **tags**    (_boolean_) With this option, `git fetch <name>` imports every tag from the remote repository
+     * - **no-tags** (_boolean_) With this option, `git fetch <name>` does not import tags from the remote repository
+     */
+    public function setDefaultOptions(OptionsResolverInterface $resolver)
+    {
+        $resolver->setDefaults(array(
+            'tags'    => false,
+            'no-tags' => false
+        ));
+    }
+
+}
\ No newline at end of file
diff --git a/library/kzykhys/git/src/PHPGit/Command/ResetCommand.php b/library/kzykhys/git/src/PHPGit/Command/ResetCommand.php
new file mode 100644
index 000000000..f70f53e2e
--- /dev/null
+++ b/library/kzykhys/git/src/PHPGit/Command/ResetCommand.php
@@ -0,0 +1,199 @@
+<?php
+
+namespace PHPGit\Command;
+
+use PHPGit\Command;
+use PHPGit\Exception\GitException;
+
+/**
+ * Reset current HEAD to the specified state - `git reset`
+ *
+ * @author Kazuyuki Hayashi <hayashi@valnur.net>
+ */
+class ResetCommand extends Command
+{
+
+    /**
+     * Resets the index entries for all **$paths** to their state at **$commit**
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->reset();
+     * ```
+     *
+     * @param string|array|\Traversable $paths  The paths to reset
+     * @param string                    $commit The commit
+     *
+     * @return bool
+     */
+    public function __invoke($paths, $commit = null)
+    {
+        $builder = $this->git->getProcessBuilder()
+            ->add('reset');
+
+        if ($commit) {
+            $builder->add($commit)->add('--');
+        }
+
+        if (!is_array($paths) && !($paths instanceof \Traversable)) {
+            $paths = array($paths);
+        }
+
+        foreach ($paths as $path) {
+            $builder->add($path);
+        }
+
+        try {
+            $this->git->run($builder->getProcess());
+        } catch (GitException $e) {
+            // Confirm exit code
+        }
+
+        return true;
+    }
+
+    /**
+     * Resets the current branch head to **$commit**
+     *
+     * Does not touch the index file nor the working tree at all (but resets the head to **$commit**,
+     * just like all modes do).
+     * This leaves all your changed files "Changes to be committed", as git status would put it.
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->reset->soft();
+     * ```
+     *
+     * @param string $commit The commit
+     *
+     * @return bool
+     */
+    public function soft($commit = null)
+    {
+        return $this->mode('soft', $commit);
+    }
+
+    /**
+     * Resets the current branch head to **$commit**
+     *
+     * Resets the index but not the working tree (i.e., the changed files are preserved but not marked for commit)
+     * and reports what has not been updated. This is the default action.
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->reset->mixed();
+     * ```
+     *
+     * @param string $commit The commit
+     *
+     * @return bool
+     */
+    public function mixed($commit = null)
+    {
+        return $this->mode('mixed', $commit);
+    }
+
+    /**
+     * Resets the current branch head to **$commit**
+     *
+     * Resets the index and working tree. Any changes to tracked files in the working tree since **$commit** are discarded
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->reset->hard();
+     * ```
+     *
+     * @param string $commit The commit
+     *
+     * @return bool
+     */
+    public function hard($commit = null)
+    {
+        return $this->mode('hard', $commit);
+    }
+
+    /**
+     * Resets the current branch head to **$commit**
+     *
+     * Resets the index and updates the files in the working tree that are different between **$commit** and HEAD,
+     * but keeps those which are different between the index and working tree
+     * (i.e. which have changes which have not been added). If a file that is different between **$commit** and
+     * the index has unstaged changes, reset is aborted
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->reset->merge();
+     * ```
+     *
+     * @param string $commit The commit
+     *
+     * @return bool
+     */
+    public function merge($commit = null)
+    {
+        return $this->mode('merge', $commit);
+    }
+
+    /**
+     * Resets the current branch head to **$commit**
+     *
+     * Resets index entries and updates files in the working tree that are different between **$commit** and HEAD.
+     * If a file that is different between **$commit** and HEAD has local changes, reset is aborted.
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->reset->keep();
+     * ```
+     *
+     * @param string $commit The commit
+     *
+     * @return bool
+     */
+    public function keep($commit = null)
+    {
+        return $this->mode('keep', $commit);
+    }
+
+    /**
+     * Resets the current branch head to **$commit**
+     *
+     * Possibly updates the index (resetting it to the tree of **$commit**) and the working tree depending on **$mode**
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->reset->mode('hard');
+     * ```
+     *
+     * @param string $mode   --<mode>
+     * @param string $commit The commit
+     *
+     * @throws \InvalidArgumentException
+     * @return bool
+     */
+    public function mode($mode, $commit = null)
+    {
+        if (!in_array($mode, array('soft', 'mixed', 'hard', 'merge', 'keep'))) {
+            throw new \InvalidArgumentException('$mode must be one of the following: soft, mixed, hard, merge, keep');
+        }
+
+        $builder = $this->git->getProcessBuilder()
+            ->add('reset')
+            ->add('--' . $mode);
+
+        if ($commit) {
+            $builder->add($commit);
+        }
+
+        $this->git->run($builder->getProcess());
+
+        return true;
+    }
+
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/src/PHPGit/Command/RmCommand.php b/library/kzykhys/git/src/PHPGit/Command/RmCommand.php
new file mode 100644
index 000000000..d6da31230
--- /dev/null
+++ b/library/kzykhys/git/src/PHPGit/Command/RmCommand.php
@@ -0,0 +1,97 @@
+<?php
+
+namespace PHPGit\Command;
+
+use PHPGit\Command;
+use Symfony\Component\OptionsResolver\OptionsResolverInterface;
+
+/**
+ * Remove files from the working tree and from the index - `git rm`
+ *
+ * @author Kazuyuki Hayashi
+ */
+class RmCommand extends Command
+{
+
+    /**
+     * Remove files from the working tree and from the index
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->rm('CHANGELOG-1.0-1.1.txt', ['force' => true]);
+     * ```
+     *
+     * ##### Options
+     *
+     * - **force**     (_boolean_) Override the up-to-date check
+     * - **cached**    (_boolean_) Unstage and remove paths only from the index
+     * - **recursive** (_boolean_) Allow recursive removal when a leading directory name is given
+     *
+     * @param string|array|\Traversable $file    Files to remove. Fileglobs (e.g.  *.c) can be given to remove all matching files.
+     * @param array                     $options [optional] An array of options {@see RmCommand::setDefaultOptions}
+     *
+     * @return bool
+     */
+    public function __invoke($file, array $options = array())
+    {
+        $options = $this->resolve($options);
+        $builder = $this->git->getProcessBuilder()
+            ->add('rm');
+
+        $this->addFlags($builder, $options, array('force', 'cached'));
+
+        if ($options['recursive']) {
+            $builder->add('-r');
+        }
+
+        if (!is_array($file) && !($file instanceof \Traversable)) {
+            $file = array($file);
+        }
+
+        foreach ($file as $value) {
+            $builder->add($value);
+        }
+
+        $this->git->run($builder->getProcess());
+
+        return true;
+    }
+
+    /**
+     * Equivalent to $git->rm($file, ['cached' => true]);
+     *
+     * ##### Options
+     *
+     * - **force**     (_boolean_) Override the up-to-date check
+     * - **recursive** (_boolean_) Allow recursive removal when a leading directory name is given
+     *
+     * @param string|array|\Traversable $file    Files to remove. Fileglobs (e.g.  *.c) can be given to remove all matching files.
+     * @param array                     $options [optional] An array of options {@see RmCommand::setDefaultOptions}
+     *
+     * @return bool
+     */
+    public function cached($file, array $options = array())
+    {
+        $options['cached'] = true;
+
+        return $this->__invoke($file, $options);
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * - **force**     (_boolean_) Override the up-to-date check
+     * - **cached**    (_boolean_) Unstage and remove paths only from the index
+     * - **recursive** (_boolean_) Allow recursive removal when a leading directory name is given
+     */
+    public function setDefaultOptions(OptionsResolverInterface $resolver)
+    {
+        $resolver->setDefaults(array(
+            'force'     => false,
+            'cached'    => false,
+            'recursive' => false
+        ));
+    }
+
+}
\ No newline at end of file
diff --git a/library/kzykhys/git/src/PHPGit/Command/ShortlogCommand.php b/library/kzykhys/git/src/PHPGit/Command/ShortlogCommand.php
new file mode 100644
index 000000000..23c66e464
--- /dev/null
+++ b/library/kzykhys/git/src/PHPGit/Command/ShortlogCommand.php
@@ -0,0 +1,134 @@
+<?php
+
+namespace PHPGit\Command;
+
+use PHPGit\Command;
+
+/**
+ * Summarize 'git log' output - `git shortlog`
+ *
+ * @author Kazuyuki Hayashi <hayashi@valnur.net>
+ */
+class ShortlogCommand extends Command
+{
+
+    /**
+     * Summarize 'git log' output
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $shortlog = $git->shortlog();
+     * ```
+     *
+     * ##### Output Example
+     *
+     * ``` php
+     * [
+     *     'John Doe <john@example.com>' => [
+     *         0 => ['commit' => '589de67', 'date' => new \DateTime('2014-02-10 12:56:15 +0300'), 'subject' => 'Update README'],
+     *         1 => ['commit' => '589de67', 'date' => new \DateTime('2014-02-15 12:56:15 +0300'), 'subject' => 'Update README'],
+     *     ],
+     *     //...
+     * ]
+     * ```
+     * @param string|array|\Traversable $commits [optional] Defaults to HEAD
+     *
+     * @return array
+     */
+    public function __invoke($commits = 'HEAD')
+    {
+        $builder = $this->git->getProcessBuilder()
+            ->add('shortlog')
+            ->add('--numbered')
+            ->add('--format=')
+            ->add('-w256,2,2')
+            ->add('-e');
+
+        if (!is_array($commits) && !($commits instanceof \Traversable)) {
+            $commits = array($commits);
+        }
+
+        foreach ($commits as $commit) {
+            $builder->add($commit);
+        }
+
+        $process = $builder->getProcess();
+        $process->setCommandLine(str_replace('--format=', '--format=%h|%ci|%s', $process->getCommandLine()));
+
+        $output = $this->git->run($process);
+        $lines  = $this->split($output);
+        $result = array();
+        $author = null;
+
+        foreach ($lines as $line) {
+            if (substr($line, 0, 1) != ' ') {
+                if (preg_match('/([^<>]*? <[^<>]+>)/', $line, $matches)) {
+                    $author = $matches[1];
+                    $result[$author] = array();
+                }
+                continue;
+            }
+
+            list ($commit, $date, $subject) = explode('|', trim($line), 3);
+            $result[$author][] = array(
+                'commit'  => $commit,
+                'date'    => new \DateTime($date),
+                'subject' => $subject
+            );
+        }
+
+        return $result;
+    }
+
+    /**
+     * Suppress commit description and provide a commit count summary only
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $shortlog = $git->shortlog->summary();
+     * ```
+     *
+     * ##### Output Example
+     *
+     * ``` php
+     * [
+     *     'John Doe <john@example.com>' => 153,
+     *     //...
+     * ]
+     * ```
+     *
+     * @param string $commits [optional] Defaults to HEAD
+     *
+     * @return array
+     */
+    public function summary($commits = 'HEAD')
+    {
+        $builder = $this->git->getProcessBuilder()
+            ->add('shortlog')
+            ->add('--numbered')
+            ->add('--summary')
+            ->add('-e');
+
+        if (!is_array($commits) && !($commits instanceof \Traversable)) {
+            $commits = array($commits);
+        }
+
+        foreach ($commits as $commit) {
+            $builder->add($commit);
+        }
+
+        $output = $this->git->run($builder->getProcess());
+        $lines  = $this->split($output);
+        $result = array();
+
+        foreach ($lines as $line) {
+            list ($commits, $author) = explode("\t", trim($line), 2);
+            $result[$author] = (int) $commits;
+        }
+
+        return $result;
+    }
+
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/src/PHPGit/Command/ShowCommand.php b/library/kzykhys/git/src/PHPGit/Command/ShowCommand.php
new file mode 100644
index 000000000..866388357
--- /dev/null
+++ b/library/kzykhys/git/src/PHPGit/Command/ShowCommand.php
@@ -0,0 +1,70 @@
+<?php
+
+namespace PHPGit\Command;
+
+use PHPGit\Command;
+use Symfony\Component\OptionsResolver\OptionsResolverInterface;
+
+/**
+ * Show various types of objects - `git show`
+ *
+ * @author Kazuyuki Hayashi
+ */
+class ShowCommand extends Command
+{
+
+    /**
+     * Shows one or more objects (blobs, trees, tags and commits)
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * echo $git->show('3ddee587e209661c8265d5bfd0df999836f6dfa2');
+     * ```
+     *
+     * ##### Options
+     *
+     * - **format**        (_string_)  Pretty-print the contents of the commit logs in a given format, where <format> can be one of oneline, short, medium, full, fuller, email, raw and format:<string>
+     * - **abbrev-commit** (_boolean_) Instead of showing the full 40-byte hexadecimal commit object name, show only a partial prefix
+     *
+     * @param string $object  The names of objects to show
+     * @param array  $options [optional] An array of options {@see ShowCommand::setDefaultOptions}
+     *
+     * @return string
+     */
+    public function __invoke($object, array $options = array())
+    {
+        $options = $this->resolve($options);
+        $builder = $this->git->getProcessBuilder()
+            ->add('show');
+
+        $this->addFlags($builder, $options, array('abbrev-commit'));
+
+        if ($options['format']) {
+            $builder->add('--format=' . $options['format']);
+        }
+
+        $builder->add($object);
+
+        return $this->git->run($builder->getProcess());
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * - **format**        (_string_)  Pretty-print the contents of the commit logs in a given format, where <format> can be one of oneline, short, medium, full, fuller, email, raw and format:<string>
+     * - **abbrev-commit** (_boolean_) Instead of showing the full 40-byte hexadecimal commit object name, show only a partial prefix
+     */
+    public function setDefaultOptions(OptionsResolverInterface $resolver)
+    {
+        $resolver->setDefaults(array(
+            'format'        => null,
+            'abbrev-commit' => false
+        ));
+
+        $resolver->setAllowedTypes(array(
+            'format' => array('null', 'string'),
+        ));
+    }
+
+}
\ No newline at end of file
diff --git a/library/kzykhys/git/src/PHPGit/Command/StashCommand.php b/library/kzykhys/git/src/PHPGit/Command/StashCommand.php
new file mode 100644
index 000000000..52dceaa6b
--- /dev/null
+++ b/library/kzykhys/git/src/PHPGit/Command/StashCommand.php
@@ -0,0 +1,309 @@
+<?php
+
+namespace PHPGit\Command;
+
+use PHPGit\Command;
+
+/**
+ * Stash the changes in a dirty working directory away - `git stash`
+ *
+ * @author Kazuyuki Hayashi
+ */
+class StashCommand extends Command
+{
+
+    /**
+     * Save your local modifications to a new stash, and run git reset --hard to revert them
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->stash();
+     * ```
+     *
+     * @return bool
+     */
+    public function __invoke()
+    {
+        $builder = $this->git->getProcessBuilder()
+            ->add('stash');
+
+        $this->git->run($builder->getProcess());
+
+        return true;
+    }
+
+    /**
+     * Save your local modifications to a new stash, and run git reset --hard to revert them.
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->stash->save('My stash');
+     * ```
+     *
+     * @param string $message [optional] The description along with the stashed state
+     * @param array  $options [optional] An array of options {@see StashCommand::setDefaultOptions}
+     *
+     * @return bool
+     */
+    public function save($message = null, array $options = array())
+    {
+        $options = $this->resolve($options);
+        $builder = $this->git->getProcessBuilder()
+            ->add('stash')
+            ->add('save');
+
+        $builder->add($message);
+
+        $this->git->run($builder->getProcess());
+
+        return true;
+    }
+
+    /**
+     * Returns the stashes that you currently have
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $stashes = $git->stash->lists();
+     * ```
+     *
+     * ##### Output Example
+     *
+     * ``` php
+     * [
+     *     0 => ['branch' => 'master', 'message' => '0e2f473 Fixes README.md'],
+     *     1 => ['branch' => 'master', 'message' => 'ce1ddde Initial commit'],
+     * ]
+     * ```
+     *
+     * @param array $options [optional] An array of options {@see StashCommand::setDefaultOptions}
+     *
+     * @return array
+     */
+    public function lists(array $options = array())
+    {
+        $builder = $this->git->getProcessBuilder()
+            ->add('stash')
+            ->add('list');
+
+        $output = $this->git->run($builder->getProcess());
+        $lines  = $this->split($output);
+        $list   = array();
+
+        foreach ($lines as $line) {
+            if (preg_match('/stash@{(\d+)}:.* [Oo]n (.*): (.*)/', $line, $matches)) {
+                $list[$matches[1]] = array(
+                    'branch'  => $matches[2],
+                    'message' => $matches[3]
+                );
+            }
+        }
+
+        return $list;
+    }
+
+    /**
+     * Show the changes recorded in the stash as a diff between the stashed state and its original parent
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * echo $git->stash->show('stash@{0}');
+     * ```
+     *
+     * ##### Output Example
+     *
+     * ```
+     *  REAMDE.md |    2 +-
+     *  1 files changed, 1 insertions(+), 1 deletions(-)
+     * ```
+     *
+     * @param string $stash The stash to show
+     *
+     * @return string
+     */
+    public function show($stash = null)
+    {
+        $builder = $this->git->getProcessBuilder()
+            ->add('stash')
+            ->add('show');
+
+        if ($stash) {
+            $builder->add($stash);
+        }
+
+        return $this->git->run($builder->getProcess());
+    }
+
+    /**
+     * Remove a single stashed state from the stash list
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->stash->drop('stash@{0}');
+     * ```
+     *
+     * @param string $stash The stash to drop
+     *
+     * @return mixed
+     */
+    public function drop($stash = null)
+    {
+        $builder = $this->git->getProcessBuilder()
+            ->add('stash')
+            ->add('drop');
+
+        if ($stash) {
+            $builder->add($stash);
+        }
+
+        return $this->git->run($builder->getProcess());
+    }
+
+    /**
+     * Remove a single stashed state from the stash list and apply it on top of the current working tree state
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->stash->pop('stash@{0}');
+     * ```
+     *
+     * @param string $stash   The stash to pop
+     * @param array  $options [optional] An array of options {@see StashCommand::setDefaultOptions}
+     *
+     * @return bool
+     */
+    public function pop($stash = null, array $options = array())
+    {
+        $options = $this->resolve($options);
+        $builder = $this->git->getProcessBuilder()
+            ->add('stash')
+            ->add('pop');
+
+        $this->addFlags($builder, $options, array('index'));
+
+        if ($stash) {
+            $builder->add($stash);
+        }
+
+        $this->git->run($builder->getProcess());
+
+        return true;
+    }
+
+    /**
+     * Like pop, but do not remove the state from the stash list
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->stash->apply('stash@{0}');
+     * ```
+     *
+     * @param string $stash   The stash to apply
+     * @param array  $options [optional] An array of options {@see StashCommand::setDefaultOptions}
+     *
+     * @return bool
+     */
+    public function apply($stash = null, array $options = array())
+    {
+        $options = $this->resolve($options);
+        $builder = $this->git->getProcessBuilder()
+            ->add('stash')
+            ->add('apply');
+
+        $this->addFlags($builder, $options, array('index'));
+
+        if ($stash) {
+            $builder->add($stash);
+        }
+
+        $this->git->run($builder->getProcess());
+
+        return true;
+    }
+
+    /**
+     * Creates and checks out a new branch named <branchname> starting from the commit at which the <stash> was originally created, applies the changes recorded in <stash> to the new working tree and index
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->stash->branch('hotfix', 'stash@{0}');
+     * ```
+     *
+     * @param string $name  The name of the branch
+     * @param string $stash The stash
+     *
+     * @return bool
+     */
+    public function branch($name, $stash = null)
+    {
+        $builder = $this->git->getProcessBuilder()
+            ->add('stash')
+            ->add('branch')
+            ->add($name);
+
+        if ($stash) {
+            $builder->add($stash);
+        }
+
+        $this->git->run($builder->getProcess());
+
+        return true;
+    }
+
+    /**
+     * Remove all the stashed states
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->stash->clear();
+     * ```
+     *
+     * @return bool
+     */
+    public function clear()
+    {
+        $builder = $this->git->getProcessBuilder()
+            ->add('stash')
+            ->add('clear');
+
+        $this->git->run($builder->getProcess());
+
+        return true;
+    }
+
+    /**
+     * Create a stash (which is a regular commit object) and return its object name, without storing it anywhere in the ref namespace
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $commit = $git->stash->create();
+     * ```
+     *
+     * ##### Output Example
+     *
+     * ```
+     * 877316ea6f95c43b7ccc2c2a362eeedfa78b597d
+     * ```
+     *
+     * @return string
+     */
+    public function create()
+    {
+        $builder = $this->git->getProcessBuilder()
+            ->add('stash')
+            ->add('create');
+
+        return $this->git->run($builder->getProcess());
+    }
+    
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/src/PHPGit/Command/StatusCommand.php b/library/kzykhys/git/src/PHPGit/Command/StatusCommand.php
new file mode 100644
index 000000000..c2bc983fe
--- /dev/null
+++ b/library/kzykhys/git/src/PHPGit/Command/StatusCommand.php
@@ -0,0 +1,147 @@
+<?php
+
+namespace PHPGit\Command;
+
+use PHPGit\Command;
+use Symfony\Component\OptionsResolver\OptionsResolverInterface;
+
+/**
+ * Show the working tree status - `git status`
+ *
+ *   = unmodified
+ * M = modified
+ * A = added
+ * D = deleted
+ * R = renamed
+ * C = copied
+ * U = updated but unmerged
+ *
+ * X          Y     Meaning
+ * -------------------------------------------------
+ * [MD]   not updated
+ * M        [ MD]   updated in index
+ * A        [ MD]   added to index
+ * D         [ M]   deleted from index
+ * R        [ MD]   renamed in index
+ * C        [ MD]   copied in index
+ * [MARC]           index and work tree matches
+ * [ MARC]     M    work tree changed since index
+ * [ MARC]     D    deleted in work tree
+ * -------------------------------------------------
+ * D           D    unmerged, both deleted
+ * A           U    unmerged, added by us
+ * U           D    unmerged, deleted by them
+ * U           A    unmerged, added by them
+ * D           U    unmerged, deleted by us
+ * A           A    unmerged, both added
+ * U           U    unmerged, both modified
+ * -------------------------------------------------
+ * ?           ?    untracked
+ * !           !    ignored
+ * -------------------------------------------------
+ *
+ * @author Kazuyuki Hayashi <hayashi@valnur.net>
+ */
+class StatusCommand extends Command
+{
+
+    const UNMODIFIED           = ' ';
+    const MODIFIED             = 'M';
+    const ADDED                = 'A';
+    const DELETED              = 'D';
+    const RENAMED              = 'R';
+    const COPIED               = 'C';
+    const UPDATED_BUT_UNMERGED = 'U';
+    const UNTRACKED            = '?';
+    const IGNORED              = '!';
+
+    /**
+     * Returns the working tree status
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $status = $git->status();
+     * ```
+     *
+     * ##### Constants
+     *
+     * - StatusCommand::UNMODIFIED            [=' '] unmodified
+     * - StatusCommand::MODIFIED              [='M'] modified
+     * - StatusCommand::ADDED                 [='A'] added
+     * - StatusCommand::DELETED               [='D'] deleted
+     * - StatusCommand::RENAMED               [='R'] renamed
+     * - StatusCommand::COPIED                [='C'] copied
+     * - StatusCommand::UPDATED_BUT_UNMERGED  [='U'] updated but unmerged
+     * - StatusCommand::UNTRACKED             [='?'] untracked
+     * - StatusCommand::IGNORED               [='!'] ignored
+     *
+     * ##### Output Example
+     *
+     * ``` php
+     * [
+     *     'branch' => 'master',
+     *     'changes' => [
+     *         ['file' => 'item1.txt', 'index' => 'A', 'work_tree' => 'M'],
+     *         ['file' => 'item2.txt', 'index' => 'A', 'work_tree' => ' '],
+     *         ['file' => 'item3.txt', 'index' => '?', 'work_tree' => '?'],
+     *     ]
+     * ]
+     * ```
+     *
+     * ##### Options
+     *
+     * - **ignored** (_boolean_) Show ignored files as well
+     *
+     * @param array $options [optional] An array of options {@see StatusCommand::setDefaultOptions}
+     *
+     * @return mixed
+     */
+    public function __invoke(array $options = array())
+    {
+        $options = $this->resolve($options);
+        $builder = $this->git->getProcessBuilder()
+            ->add('status')
+            ->add('--porcelain')->add('-s')->add('-b')->add('--null');
+
+        $this->addFlags($builder, $options);
+
+        $process = $builder->getProcess();
+        $result  = array('branch' => null, 'changes' => array());
+        $output  = $this->git->run($process);
+
+        list($branch, $changes) = preg_split('/(\0|\n)/', $output, 2);
+        $lines = $this->split($changes, true);
+
+        if (substr($branch, -11) == '(no branch)') {
+            $result['branch'] = null;
+        } elseif (preg_match('/([^ ]*)\.\.\..*?\[.*?\]$/', $branch, $matches)) {
+            $result['branch'] = $matches[1];
+        } elseif (preg_match('/ ([^ ]*)$/', $branch, $matches)) {
+            $result['branch'] = $matches[1];
+        }
+
+        foreach ($lines as $line) {
+            $result['changes'][] = array(
+                'file'      => substr($line, 3),
+                'index'     => substr($line, 0, 1),
+                'work_tree' => substr($line, 1, 1)
+            );
+        }
+
+        return $result;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * - **ignored** (_boolean_) Show ignored files as well
+     */
+    public function setDefaultOptions(OptionsResolverInterface $resolver)
+    {
+        $resolver->setDefaults(array(
+            'ignored' => false
+        ));
+    }
+
+}
\ No newline at end of file
diff --git a/library/kzykhys/git/src/PHPGit/Command/TagCommand.php b/library/kzykhys/git/src/PHPGit/Command/TagCommand.php
new file mode 100644
index 000000000..197d3e887
--- /dev/null
+++ b/library/kzykhys/git/src/PHPGit/Command/TagCommand.php
@@ -0,0 +1,156 @@
+<?php
+
+namespace PHPGit\Command;
+
+use PHPGit\Command;
+use PHPGit\Exception\GitException;
+use Symfony\Component\OptionsResolver\OptionsResolverInterface;
+
+/**
+ * Create, list, delete or verify a tag object signed with GPG - `git tag`
+ *
+ * @author Kazuyuki Hayashi
+ */
+class TagCommand extends Command
+{
+
+    /**
+     * Returns an array of tags
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->clone('https://github.com/kzykhys/PHPGit.git', '/path/to/repo');
+     * $git->setRepository('/path/to/repo');
+     * $tags = $git->tag();
+     * ```
+     *
+     * ##### Output Example
+     *
+     * ```
+     * ['v1.0.0', 'v1.0.1', 'v1.0.2']
+     * ```
+     *
+     * @throws GitException
+     * @return array
+     */
+    public function __invoke()
+    {
+        $builder = $this->git->getProcessBuilder()
+            ->add('tag');
+
+        $output = $this->git->run($builder->getProcess());
+
+        return $this->split($output);
+    }
+
+    /**
+     * Creates a tag object
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->setRepository('/path/to/repo');
+     * $git->tag->create('v1.0.0');
+     * ```
+     *
+     * ##### Options
+     *
+     * - **annotate** (_boolean_) Make an unsigned, annotated tag object
+     * - **sign**     (_boolean_) Make a GPG-signed tag, using the default e-mail address’s key
+     * - **force**    (_boolean_) Replace an existing tag with the given name (instead of failing)
+     *
+     * @param string $tag     The name of the tag to create
+     * @param string $commit  The SHA1 object name of the commit object
+     * @param array  $options [optional] An array of options {@see TagCommand::setDefaultOptions}
+     *
+     * @throws GitException
+     * @return bool
+     */
+    public function create($tag, $commit = null, array $options = array())
+    {
+        $options = $this->resolve($options);
+        $builder = $this->git->getProcessBuilder()
+            ->add('tag')
+            ->add($tag);
+
+        $this->addFlags($builder, $options, array('annotate', 'sign', 'force'));
+
+        if ($commit) {
+            $builder->add($commit);
+        }
+
+        $this->git->run($builder->getProcess());
+
+        return true;
+    }
+
+    /**
+     * Delete existing tags with the given names
+     *
+     * @param string|array|\Traversable $tag The name of the tag to create
+     *
+     * @throws GitException
+     * @return bool
+     */
+    public function delete($tag)
+    {
+        $builder = $this->git->getProcessBuilder()
+            ->add('tag')
+            ->add('-d');
+
+        if (!is_array($tag) && !($tag instanceof \Traversable)) {
+            $tag = array($tag);
+        }
+
+        foreach ($tag as $value) {
+            $builder->add($value);
+        }
+
+        $this->git->run($builder->getProcess());
+
+        return true;
+    }
+
+    /**
+     * Verify the gpg signature of the given tag names
+     *
+     * @param string|array|\Traversable $tag The name of the tag to create
+     *
+     * @throws GitException
+     * @return bool
+     */
+    public function verify($tag)
+    {
+        $builder = $this->git->getProcessBuilder()
+            ->add('tag')
+            ->add('-v');
+
+        if (!is_array($tag) && !($tag instanceof \Traversable)) {
+            $tag = array($tag);
+        }
+
+        foreach ($tag as $value) {
+            $builder->add($value);
+        }
+
+        $this->git->run($builder->getProcess());
+
+        return true;
+    }
+
+    /**
+     * {@inheritdoc}
+     *
+     * - **annotate** (_boolean_) Make an unsigned, annotated tag object
+     * - **sign**     (_boolean_) Make a GPG-signed tag, using the default e-mail address’s key
+     * - **force**    (_boolean_) Replace an existing tag with the given name (instead of failing)
+     */
+    public function setDefaultOptions(OptionsResolverInterface $resolver)
+    {
+        $resolver->setDefaults(array(
+            'annotate' => false,
+            'sign' => false,
+            'force' => false,
+        ));
+    }
+
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/src/PHPGit/Command/TreeCommand.php b/library/kzykhys/git/src/PHPGit/Command/TreeCommand.php
new file mode 100644
index 000000000..ea1040a6a
--- /dev/null
+++ b/library/kzykhys/git/src/PHPGit/Command/TreeCommand.php
@@ -0,0 +1,70 @@
+<?php
+
+namespace PHPGit\Command;
+
+use PHPGit\Command;
+
+/**
+ * List the contents of a tree object - `git ls-tree`
+ *
+ * @author Kazuyuki Hayashi <hayashi@valnur.net>
+ */
+class TreeCommand extends Command
+{
+
+    /**
+     * Returns the contents of a tree object
+     *
+     * ``` php
+     * $git = new PHPGit\Git();
+     * $git->clone('https://github.com/kzykhys/PHPGit.git', '/path/to/repo');
+     * $git->setRepository('/path/to/repo');
+     * $tree = $git->tree('master');
+     * ```
+     *
+     * ##### Output Example
+     *
+     * ``` php
+     * [
+     *     ['mode' => '100644', 'type' => 'blob', 'hash' => '1f100ce9855b66111d34b9807e47a73a9e7359f3', 'file' => '.gitignore', 'sort' => '2:.gitignore'],
+     *     ['mode' => '100644', 'type' => 'blob', 'hash' => 'e0bfe494537037451b09c32636c8c2c9795c05c0', 'file' => '.travis.yml', 'sort' => '2:.travis.yml'],
+     *     ['mode' => '040000', 'type' => 'tree', 'hash' => '8d5438e79f77cd72de80c49a413f4edde1f3e291', 'file' => 'bin', 'sort' => '1:.bin'],
+     * ]
+     * ```
+     *
+     * @param string $branch The commit
+     * @param string $path   The path
+     *
+     * @return array
+     */
+    public function __invoke($branch = 'master', $path = '')
+    {
+        $objects = array();
+        $builder = $this->git->getProcessBuilder();
+        $process = $builder->add('ls-tree')->add($branch . ':' . $path)->getProcess();
+        $output  = $this->git->run($process);
+        $lines   = $this->split($output);
+
+        $types = array(
+            'submodule' => 0,
+            'tree'      => 1,
+            'blob'      => 2
+        );
+
+        foreach ($lines as $line) {
+            list($meta, $file) = explode("\t", $line);
+            list($mode, $type, $hash) = explode(" ", $meta);
+
+            $objects[] = array(
+                'sort' => sprintf('%d:%s', $types[$type], $file),
+                'mode' => $mode,
+                'type' => $type,
+                'hash' => $hash,
+                'file' => $file
+            );
+        }
+
+        return $objects;
+    }
+
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/src/PHPGit/Exception/GitException.php b/library/kzykhys/git/src/PHPGit/Exception/GitException.php
new file mode 100644
index 000000000..f5901010c
--- /dev/null
+++ b/library/kzykhys/git/src/PHPGit/Exception/GitException.php
@@ -0,0 +1,39 @@
+<?php
+
+namespace PHPGit\Exception;
+
+/**
+ * @author Kazuyuki Hayashi <hayashi@valnur.net>
+ */
+class GitException extends \Exception
+{
+
+    /**
+     * @var string
+     */
+    protected $commandLine;
+
+    /**
+     * Construct the exception. Note: The message is NOT binary safe.
+     *
+     * @param string     $message     [optional] The Exception message to throw.
+     * @param int        $code        [optional] The Exception code.
+     * @param string     $commandLine [optional] Command-line
+     * @param \Exception $previous    [optional] The previous exception used for the exception chaining. Since 5.3.0
+     */
+    public function __construct($message = "", $code = 0, $commandLine = null, \Exception $previous = null)
+    {
+        parent::__construct($message, $code, $previous);
+
+        $this->commandLine = $commandLine;
+    }
+
+    /**
+     * @return null|string
+     */
+    public function getCommandLine()
+    {
+        return $this->commandLine;
+    }
+
+}
\ No newline at end of file
diff --git a/library/kzykhys/git/src/PHPGit/Git.php b/library/kzykhys/git/src/PHPGit/Git.php
new file mode 100644
index 000000000..f952d6f1f
--- /dev/null
+++ b/library/kzykhys/git/src/PHPGit/Git.php
@@ -0,0 +1,308 @@
+<?php
+
+namespace PHPGit;
+
+use PHPGit\Command;
+use PHPGit\Exception\GitException;
+use Symfony\Component\Process\Process;
+use Symfony\Component\Process\ProcessBuilder;
+
+/**
+ * PHPGit - A Git wrapper for PHP5.3+
+ * ==================================
+ *
+ * [![Latest Unstable Version](https://poser.pugx.org/kzykhys/git/v/unstable.png)](https://packagist.org/packages/kzykhys/git)
+ * [![Build Status](https://travis-ci.org/kzykhys/PHPGit.png?branch=master)](https://travis-ci.org/kzykhys/PHPGit)
+ * [![Coverage Status](https://coveralls.io/repos/kzykhys/PHPGit/badge.png)](https://coveralls.io/r/kzykhys/PHPGit)
+ * [![SensioLabsInsight](https://insight.sensiolabs.com/projects/04f10b57-a113-47ad-8dda-9a6dacbb079f/mini.png)](https://insight.sensiolabs.com/projects/04f10b57-a113-47ad-8dda-9a6dacbb079f)
+ *
+ * Requirements
+ * ------------
+ *
+ * * PHP5.3
+ * * Git
+ *
+ * Installation
+ * ------------
+ *
+ * Update your composer.json and run `composer update`
+ *
+ * ``` json
+ * {
+ *     "require": {
+ *         "kzykhys/git": "dev-master"
+ *     }
+ * }
+ * ```
+ *
+ * Basic Usage
+ * -----------
+ *
+ * ``` php
+ * <?php
+ *
+ * require __DIR__ . '/vendor/autoload.php';
+ *
+ * $git = new PHPGit\Git();
+ * $git->clone('https://github.com/kzykhys/PHPGit.git', '/path/to/repo');
+ * $git->setRepository('/path/to/repo');
+ * $git->remote->add('production', 'git://example.com/your/repo.git');
+ * $git->add('README.md');
+ * $git->commit('Adds README.md');
+ * $git->checkout('release');
+ * $git->merge('master');
+ * $git->push();
+ * $git->push('production', 'release');
+ * $git->tag->create('v1.0.1', 'release');
+ *
+ * foreach ($git->tree('release') as $object) {
+ *     if ($object['type'] == 'blob') {
+ *         echo $git->show($object['file']);
+ *     }
+ * }
+ * ```
+ *
+ * @author  Kazuyuki Hayashi <hayashi@valnur.net>
+ * @license MIT
+ *
+ * @method add($file, $options = array())                           Add file contents to the index
+ * @method archive($file, $tree = null, $path = null, $options = array()) Create an archive of files from a named tree
+ * @method branch($options = array())                               List both remote-tracking branches and local branches
+ * @method checkout($branch, $options = array())                    Checkout a branch or paths to the working tree
+ * @method clone($repository, $path = null, $options = array())     Clone a repository into a new directory
+ * @method commit($message = '', $options = array())                Record changes to the repository
+ * @method config($options = array())                               List all variables set in config file
+ * @method describe($committish = null, $options = array())         Returns the most recent tag that is reachable from a commit
+ * @method fetch($repository, $refspec = null, $options = array())  Fetches named heads or tags from one or more other repositories
+ * @method init($path, $options = array())                          Create an empty git repository or reinitialize an existing one
+ * @method log($path = null, $options = array())                    Returns the commit logs
+ * @method merge($commit, $message = null, $options = array())      Incorporates changes from the named commits into the current branch
+ * @method mv($source, $destination, $options = array())            Move or rename a file, a directory, or a symlink
+ * @method pull($repository = null, $refspec = null, $options = array()) Fetch from and merge with another repository or a local branch
+ * @method push($repository = null, $refspec = null, $options = array()) Update remote refs along with associated objects
+ * @method rebase($upstream = null, $branch = null, $options = array())  Forward-port local commits to the updated upstream head
+ * @method remote()                                                 Returns an array of existing remotes
+ * @method reset($commit = null, $paths = array())                  Resets the index entries for all <paths> to their state at <commit>
+ * @method rm($file, $options = array())                            Remove files from the working tree and from the index
+ * @method shortlog($commits = array())                             Summarize 'git log' output
+ * @method show($object, $options = array())                        Shows one or more objects (blobs, trees, tags and commits)
+ * @method stash()                                                  Save your local modifications to a new stash, and run git reset --hard to revert them
+ * @method status($options = array())                               Show the working tree status
+ * @method tag()                                                    Returns an array of tags
+ * @method tree($branch = 'master', $path = '')                     List the contents of a tree object
+ */
+class Git
+{
+
+    /** @var Command\AddCommand */
+    public $add;
+
+    /** @var Command\ArchiveCommand */
+    public $archive;
+
+    /** @var Command\BranchCommand */
+    public $branch;
+
+    /** @var Command\CatCommand */
+    public $cat;
+
+    /** @var Command\CheckoutCommand */
+    public $checkout;
+
+    /** @var Command\CloneCommand */
+    public $clone;
+
+    /** @var Command\CommitCommand */
+    public $commit;
+
+    /** @var Command\ConfigCommand */
+    public $config;
+
+    /** @var Command\DescribeCommand */
+    public $describe;
+
+    // Not implemented yet
+    public $diff;
+
+    /** @var Command\FetchCommand */
+    public $fetch;
+
+    /** @var Command\InitCommand */
+    public $init;
+
+    /** @var Command\LogCommand */
+    public $log;
+
+    /** @var Command\MergeCommand */
+    public $merge;
+
+    /** @var Command\MvCommand */
+    public $mv;
+
+    /** @var Command\PullCommand */
+    public $pull;
+
+    /** @var Command\PushCommand */
+    public $push;
+
+    /** @var Command\RebaseCommand */
+    public $rebase;
+
+    /** @var Command\RemoteCommand */
+    public $remote;
+
+    /** @var Command\ResetCommand */
+    public $reset;
+
+    /** @var Command\RmCommand */
+    public $rm;
+
+    /** @var Command\ShortlogCommand */
+    public $shortlog;
+
+    /** @var Command\ShowCommand */
+    public $show;
+
+    /** @var Command\StashCommand */
+    public $stash;
+
+    /** @var Command\StatusCommand */
+    public $status;
+
+    /** @var Command\TagCommand */
+    public $tag;
+
+    /** @var Command\TreeCommand */
+    public $tree;
+
+    /** @var string  */
+    private $bin = 'git';
+
+    /** @var string  */
+    private $directory = '.';
+
+    /**
+     * Initializes sub-commands
+     */
+    public function __construct()
+    {
+        $this->add      = new Command\AddCommand($this);
+        $this->archive  = new Command\ArchiveCommand($this);
+        $this->branch   = new Command\BranchCommand($this);
+        $this->cat      = new Command\CatCommand($this);
+        $this->checkout = new Command\CheckoutCommand($this);
+        $this->clone    = new Command\CloneCommand($this);
+        $this->commit   = new Command\CommitCommand($this);
+        $this->config   = new Command\ConfigCommand($this);
+        $this->describe = new Command\DescribeCommand($this);
+        $this->fetch    = new Command\FetchCommand($this);
+        $this->init     = new Command\InitCommand($this);
+        $this->log      = new Command\LogCommand($this);
+        $this->merge    = new Command\MergeCommand($this);
+        $this->mv       = new Command\MvCommand($this);
+        $this->pull     = new Command\PullCommand($this);
+        $this->push     = new Command\PushCommand($this);
+        $this->rebase   = new Command\RebaseCommand($this);
+        $this->remote   = new Command\RemoteCommand($this);
+        $this->reset    = new Command\ResetCommand($this);
+        $this->rm       = new Command\RmCommand($this);
+        $this->shortlog = new Command\ShortlogCommand($this);
+        $this->show     = new Command\ShowCommand($this);
+        $this->stash    = new Command\StashCommand($this);
+        $this->status   = new Command\StatusCommand($this);
+        $this->tag      = new Command\TagCommand($this);
+        $this->tree     = new Command\TreeCommand($this);
+    }
+
+    /**
+     * Calls sub-commands
+     *
+     * @param string $name      The name of a property
+     * @param array  $arguments An array of arguments
+     *
+     * @throws \BadMethodCallException
+     * @return mixed
+     */
+    public function __call($name, $arguments)
+    {
+        if (isset($this->{$name}) && is_callable($this->{$name})) {
+            return call_user_func_array($this->{$name}, $arguments);
+        }
+
+        throw new \BadMethodCallException(sprintf('Call to undefined method PHPGit\Git::%s()', $name));
+    }
+
+    /**
+     * Sets the Git binary path
+     *
+     * @param string $bin
+     *
+     * @return Git
+     */
+    public function setBin($bin)
+    {
+        $this->bin = $bin;
+
+        return $this;
+    }
+
+    /**
+     * Sets the Git repository path
+     *
+     * @var string $directory
+     *
+     * @return Git
+     */
+    public function setRepository($directory)
+    {
+        $this->directory = $directory;
+
+        return $this;
+    }
+
+    /**
+     * Returns version number
+     *
+     * @return mixed
+     */
+    public function getVersion()
+    {
+        $process = $this->getProcessBuilder()
+            ->add('--version')
+            ->getProcess();
+
+        return $this->run($process);
+    }
+
+    /**
+     * Returns an instance of ProcessBuilder
+     *
+     * @return ProcessBuilder
+     */
+    public function getProcessBuilder()
+    {
+        return ProcessBuilder::create()
+            ->setPrefix($this->bin)
+            ->setWorkingDirectory($this->directory);
+    }
+
+    /**
+     * Executes a process
+     *
+     * @param Process $process The process to run
+     *
+     * @throws Exception\GitException
+     * @return mixed
+     */
+    public function run(Process $process)
+    {
+        $process->run();
+
+        if (!$process->isSuccessful()) {
+            throw new GitException($process->getErrorOutput(), $process->getExitCode(), $process->getCommandLine());
+        }
+
+        return $process->getOutput();
+    }
+
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/test/PHPGit/BaseTestCase.php b/library/kzykhys/git/test/PHPGit/BaseTestCase.php
new file mode 100644
index 000000000..df69b216e
--- /dev/null
+++ b/library/kzykhys/git/test/PHPGit/BaseTestCase.php
@@ -0,0 +1,33 @@
+<?php
+
+use Symfony\Component\Filesystem\Filesystem;
+
+/**
+ * @author Kazuyuki Hayashi <hayashi@siance.co.jp>
+ */
+abstract class BaseTestCase extends PHPUnit_Framework_TestCase
+{
+
+    /**
+     * @var string
+     */
+    protected $directory;
+
+    /**
+     * {@inheritdoc}
+     */
+    public function setUp()
+    {
+        $this->directory = __DIR__.'/../../build/' . strtolower(get_class($this));
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function tearDown()
+    {
+        $filesystem = new Filesystem();
+        $filesystem->remove($this->directory);
+    }
+
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/test/PHPGit/Command/AddCommandTest.php b/library/kzykhys/git/test/PHPGit/Command/AddCommandTest.php
new file mode 100644
index 000000000..1fad08417
--- /dev/null
+++ b/library/kzykhys/git/test/PHPGit/Command/AddCommandTest.php
@@ -0,0 +1,42 @@
+<?php
+
+use PHPGit\Git;
+use Symfony\Component\Filesystem\Filesystem;
+
+require_once __DIR__ . '/../BaseTestCase.php';
+
+/**
+ * @author Kazuyuki Hayashi <hayashi@valnur.net>
+ */
+class AddCommandTest extends BaseTestCase
+{
+
+    public function testAdd()
+    {
+        $filesystem = new Filesystem();
+        $filesystem->mkdir($this->directory);
+
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+
+        $filesystem->dumpFile($this->directory . '/test.txt', 'foo');
+        $filesystem->dumpFile($this->directory . '/test.md', '**foo**');
+
+        $this->assertTrue($git->add('test.txt'));
+        $this->assertTrue($git->add(array('test.md'), array('force' => true)));
+    }
+
+    /**
+     * @expectedException \PHPGit\Exception\GitException
+     * @expectedExceptionCode 128
+     */
+    public function testException()
+    {
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+        $git->add('foo');
+    }
+
+}
\ No newline at end of file
diff --git a/library/kzykhys/git/test/PHPGit/Command/ArchiveCommandTest.php b/library/kzykhys/git/test/PHPGit/Command/ArchiveCommandTest.php
new file mode 100644
index 000000000..982c8f7c7
--- /dev/null
+++ b/library/kzykhys/git/test/PHPGit/Command/ArchiveCommandTest.php
@@ -0,0 +1,32 @@
+<?php
+
+use PHPGit\Git;
+use Symfony\Component\Filesystem\Filesystem;
+
+require_once __DIR__ . '/../BaseTestCase.php';
+
+/**
+ * @author Kazuyuki Hayashi <hayashi@valnur.net>
+ */
+class ArchiveCommandTest extends BaseTestCase
+{
+
+    public function testArchive()
+    {
+        $filesystem = new Filesystem();
+        $filesystem->mkdir($this->directory);
+
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+
+        $filesystem->dumpFile($this->directory . '/test.txt', 'hello');
+        $git->add('test.txt');
+        $git->commit('Initial commit');
+
+        $git->archive($this->directory . '/test.zip', 'master', null, array('format' => 'zip', 'prefix' => 'test/'));
+
+        $this->assertFileExists($this->directory . '/test.zip');
+    }
+
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/test/PHPGit/Command/BranchCommandTest.php b/library/kzykhys/git/test/PHPGit/Command/BranchCommandTest.php
new file mode 100644
index 000000000..4deeea367
--- /dev/null
+++ b/library/kzykhys/git/test/PHPGit/Command/BranchCommandTest.php
@@ -0,0 +1,106 @@
+<?php
+
+use PHPGit\Git;
+use Symfony\Component\Filesystem\Filesystem;
+
+require_once __DIR__ . '/../BaseTestCase.php';
+
+class BranchCommandTest extends BaseTestCase
+{
+
+    public function setUp()
+    {
+        parent::setUp();
+
+        $filesystem = new Filesystem();
+
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+
+        $filesystem->dumpFile($this->directory . '/test.txt', '');
+        $git->add('test.txt');
+        $git->commit('Initial commit');
+    }
+
+    public function testBranch()
+    {
+        $git = new Git();
+        $git->setRepository($this->directory);
+
+        $branches = $git->branch();
+
+        $this->assertCount(1, $branches);
+        $this->assertEquals('master', $branches['master']['name']);
+        $this->assertTrue($branches['master']['current']);
+        $this->assertEquals('Initial commit', $branches['master']['title']);
+    }
+
+    public function testAllBranch()
+    {
+        $git = new Git();
+        $git->clone('file://' . realpath($this->directory), $this->directory.'2');
+        $git->setRepository($this->directory.'2');
+
+        $branches = $git->branch(array('remotes' => true));
+        $this->assertArrayHasKey('origin/master', $branches);
+
+        $branches = $git->branch(array('all' => true));
+        $this->assertArrayHasKey('master', $branches);
+        $this->assertArrayHasKey('remotes/origin/master', $branches);
+
+        $filesystem = new Filesystem();
+        $filesystem->remove($this->directory.'2');
+    }
+
+    public function testBranchCreate()
+    {
+        $git = new Git();
+        $git->setRepository($this->directory);
+
+        $git->branch->create('1.0');
+        $branches = $git->branch();
+        $this->assertCount(2, $branches);
+
+        $git->branch->create('1.0-fix', '1.0', array('force' => true));
+        $branches = $git->branch();
+        $this->assertCount(3, $branches);
+        $this->assertArrayHasKey('1.0', $branches);
+        $this->assertArrayHasKey('1.0-fix', $branches);
+    }
+
+    public function testBranchMove()
+    {
+        $git = new Git();
+        $git->setRepository($this->directory);
+        $git->branch->create('1.0');
+        $git->branch->move('1.0', '1.0.x');
+        $branches = $git->branch();
+        $this->assertCount(2, $branches);
+        $this->assertArrayHasKey('1.0.x', $branches);
+
+        $git->branch->move('1.0.x', '2.x', array('force' => true));
+        $branches = $git->branch();
+        $this->assertCount(2, $branches);
+        $this->assertArrayHasKey('2.x', $branches);
+    }
+
+    public function testBranchDelete()
+    {
+        $git = new Git();
+        $git->setRepository($this->directory);
+        $git->branch->create('1.0');
+        $git->branch->create('2.0');
+        $branches = $git->branch();
+        $this->assertCount(3, $branches);
+
+        $git->branch->delete('1.0');
+        $branches = $git->branch();
+        $this->assertCount(2, $branches);
+
+        $git->branch->delete('2.0', array('force' => true));
+        $branches = $git->branch();
+        $this->assertCount(1, $branches);
+    }
+
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/test/PHPGit/Command/CatCommandTest.php b/library/kzykhys/git/test/PHPGit/Command/CatCommandTest.php
new file mode 100644
index 000000000..945924ccb
--- /dev/null
+++ b/library/kzykhys/git/test/PHPGit/Command/CatCommandTest.php
@@ -0,0 +1,65 @@
+<?php
+
+use PHPGit\Git;
+use Symfony\Component\Filesystem\Filesystem;
+
+require_once __DIR__ . '/../BaseTestCase.php';
+
+class CatCommandTest extends BaseTestCase
+{
+
+    public function testCatBlob()
+    {
+        $filesystem = new Filesystem();
+        $filesystem->mkdir($this->directory);
+
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+
+        $filesystem->dumpFile($this->directory . '/test.txt', 'foo');
+        $git->add('test.txt');
+        $git->commit('Initial commit');
+
+        $tree = $git->tree();
+
+        $this->assertEquals('foo', $git->cat->blob($tree[0]['hash']));
+    }
+
+    public function testCatType()
+    {
+        $filesystem = new Filesystem();
+        $filesystem->mkdir($this->directory);
+
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+
+        $filesystem->dumpFile($this->directory . '/test.txt', 'foo');
+        $git->add('test.txt');
+        $git->commit('Initial commit');
+
+        $tree = $git->tree();
+
+        $this->assertEquals('blob', $git->cat->type($tree[0]['hash']));
+    }
+
+    public function testCatSize()
+    {
+        $filesystem = new Filesystem();
+        $filesystem->mkdir($this->directory);
+
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+
+        $filesystem->dumpFile($this->directory . '/test.txt', 'foo');
+        $git->add('test.txt');
+        $git->commit('Initial commit');
+
+        $tree = $git->tree();
+
+        $this->assertEquals(3, $git->cat->size($tree[0]['hash']));
+    }
+
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/test/PHPGit/Command/CheckoutCommandTest.php b/library/kzykhys/git/test/PHPGit/Command/CheckoutCommandTest.php
new file mode 100644
index 000000000..c306ea407
--- /dev/null
+++ b/library/kzykhys/git/test/PHPGit/Command/CheckoutCommandTest.php
@@ -0,0 +1,65 @@
+<?php
+
+use PHPGit\Git;
+use Symfony\Component\Filesystem\Filesystem;
+
+require_once __DIR__ . '/../BaseTestCase.php';
+
+class CheckoutCommandTest extends BaseTestCase
+{
+
+    public function setUp()
+    {
+        parent::setUp();
+
+        $filesystem = new Filesystem();
+
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+
+        $filesystem->dumpFile($this->directory . '/test.txt', '');
+        $git->add('test.txt');
+        $git->commit('Initial commit');
+    }
+
+    public function testCheckout()
+    {
+        $git = new Git();
+        $git->setRepository($this->directory);
+        $git->branch->create('next');
+        $git->checkout('next');
+
+        $branches = $git->branch();
+        $this->assertArrayHasKey('next', $branches);
+        $this->assertTrue($branches['next']['current']);
+    }
+
+    public function testCheckoutCreate()
+    {
+        $git = new Git();
+        $git->setRepository($this->directory);
+        $git->checkout->create('next');
+
+        $branches = $git->branch();
+        $this->assertArrayHasKey('next', $branches);
+        $this->assertTrue($branches['next']['current']);
+
+        $git->checkout->create('develop', 'next');
+
+        $branches = $git->branch();
+        $this->assertArrayHasKey('develop', $branches);
+        $this->assertTrue($branches['develop']['current']);
+    }
+
+    public function testCheckoutOrphan()
+    {
+        $git = new Git();
+        $git->setRepository($this->directory);
+        $git->checkout->orphan('gh-pages', 'master', array('force' => true));
+
+        $status = $git->status();
+        $this->assertEquals('gh-pages', $status['branch']);
+    }
+
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/test/PHPGit/Command/CloneCommandTest.php b/library/kzykhys/git/test/PHPGit/Command/CloneCommandTest.php
new file mode 100644
index 000000000..d6a4d26ff
--- /dev/null
+++ b/library/kzykhys/git/test/PHPGit/Command/CloneCommandTest.php
@@ -0,0 +1,28 @@
+<?php
+
+use PHPGit\Git;
+use Symfony\Component\Filesystem\Filesystem;
+
+require_once __DIR__ . '/../BaseTestCase.php';
+
+class CloneCommandTest extends BaseTestCase
+{
+
+    public function testClone()
+    {
+        $git = new Git();
+        $git->clone('https://github.com/kzykhys/Text.git', $this->directory);
+        $git->setRepository($this->directory);
+
+        $this->assertFileExists($this->directory . '/.git');
+
+        $filesystem = new Filesystem();
+        $filesystem->remove($this->directory);
+
+        $git->setRepository('.');
+        $git->clone('https://github.com/kzykhys/Text.git', $this->directory, array('shared' => true));
+
+        $this->assertFileExists($this->directory . '/.git');
+    }
+
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/test/PHPGit/Command/CommitCommandTest.php b/library/kzykhys/git/test/PHPGit/Command/CommitCommandTest.php
new file mode 100644
index 000000000..01b50ad8d
--- /dev/null
+++ b/library/kzykhys/git/test/PHPGit/Command/CommitCommandTest.php
@@ -0,0 +1,26 @@
+<?php
+
+use PHPGit\Git;
+use Symfony\Component\Filesystem\Filesystem;
+
+require_once __DIR__ . '/../BaseTestCase.php';
+
+class CommitCommandTest extends BaseTestCase
+{
+
+    public function testCommit()
+    {
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+
+        $filesystem = new Filesystem();
+        $filesystem->dumpFile($this->directory . '/test.txt', '');
+        $git->add('test.txt');
+        $git->commit('Initial commit');
+        $logs = $git->log('test.txt');
+
+        $this->assertCount(1, $logs);
+    }
+
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/test/PHPGit/Command/ConfigCommandTest.php b/library/kzykhys/git/test/PHPGit/Command/ConfigCommandTest.php
new file mode 100644
index 000000000..fba2fbf76
--- /dev/null
+++ b/library/kzykhys/git/test/PHPGit/Command/ConfigCommandTest.php
@@ -0,0 +1,55 @@
+<?php
+
+use PHPGit\Git;
+
+require_once __DIR__ . '/../BaseTestCase.php';
+
+class ConfigCommandTest extends BaseTestCase
+{
+
+    public function testConfigSetAndList()
+    {
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+
+        $before = $git->config();
+
+        $git->config->set('user.name', 'John Doe');
+
+        $config = $git->config();
+        $this->assertArrayHasKey('user.name', $config);
+
+        $expected = 'John Doe';
+
+        if (isset($before['user.name'])) {
+            $expected = $before['user.name'] . "\n" . $expected;
+        }
+
+        $this->assertEquals($expected, $config['user.name']);
+    }
+
+    public function testConfigAdd()
+    {
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+
+        $before = $git->config();
+
+        $git->config->set('user.name', 'John Doe');
+        $git->config->add('user.name', 'Foo');
+
+        $config = $git->config();
+        $this->assertArrayHasKey('user.name', $config);
+
+        $expected = "John Doe\nFoo";
+
+        if (isset($before['user.name'])) {
+            $expected = $before['user.name'] . "\n" . $expected;
+        }
+
+        $this->assertEquals($expected, $config['user.name']);
+    }
+
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/test/PHPGit/Command/DescribeCommandTest.php b/library/kzykhys/git/test/PHPGit/Command/DescribeCommandTest.php
new file mode 100644
index 000000000..04d3bd3b0
--- /dev/null
+++ b/library/kzykhys/git/test/PHPGit/Command/DescribeCommandTest.php
@@ -0,0 +1,36 @@
+<?php
+
+use PHPGit\Git;
+use Symfony\Component\Filesystem\Filesystem;
+
+require_once __DIR__ . '/../BaseTestCase.php';
+
+class DescribeCommandTest extends BaseTestCase
+{
+
+    public function testDescribeTags()
+    {
+        $filesystem = new Filesystem();
+
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+
+        $filesystem->dumpFile($this->directory . '/README.md', 'hello');
+        $git->add('README.md');
+        $git->commit('Initial commit');
+        $git->tag->create('v1.0.0');
+        $version = $git->describe->tags('HEAD');
+
+        $this->assertEquals('v1.0.0', $version);
+
+        $filesystem->dumpFile($this->directory . '/README.md', 'hello2');
+        $git->add('README.md');
+        $git->commit('Fixes README');
+        $version = $git->describe->tags('HEAD');
+
+        $this->assertStringStartsWith('v1.0.0', $version);
+        $this->assertStringEndsNotWith('v1.0.0', $version);
+    }
+
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/test/PHPGit/Command/FetchCommandTest.php b/library/kzykhys/git/test/PHPGit/Command/FetchCommandTest.php
new file mode 100644
index 000000000..f52943099
--- /dev/null
+++ b/library/kzykhys/git/test/PHPGit/Command/FetchCommandTest.php
@@ -0,0 +1,36 @@
+<?php
+
+use PHPGit\Git;
+
+require_once __DIR__ . '/../BaseTestCase.php';
+
+class FetchCommandTest extends BaseTestCase
+{
+
+    public function testFetch()
+    {
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+
+        $git->remote->add('origin', 'https://github.com/kzykhys/Text.git');
+        $git->fetch('origin', '+refs/heads/*:refs/remotes/origin/*');
+
+        $tags = $git->tag();
+        $this->assertContains('v1.0.0', $tags);
+    }
+
+    public function testFetchAll()
+    {
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+
+        $git->remote->add('origin', 'https://github.com/kzykhys/Text.git');
+        $git->fetch->all();
+
+        $tags = $git->tag();
+        $this->assertContains('v1.0.0', $tags);
+    }
+
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/test/PHPGit/Command/MergeCommandTest.php b/library/kzykhys/git/test/PHPGit/Command/MergeCommandTest.php
new file mode 100644
index 000000000..208461523
--- /dev/null
+++ b/library/kzykhys/git/test/PHPGit/Command/MergeCommandTest.php
@@ -0,0 +1,101 @@
+<?php
+
+use PHPGit\Git;
+use Symfony\Component\Filesystem\Filesystem;
+
+require_once __DIR__ . '/../BaseTestCase.php';
+
+class MergeCommandTest extends BaseTestCase
+{
+
+    public function testMerge()
+    {
+        $filesystem = new Filesystem();
+
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+
+        $filesystem->dumpFile($this->directory . '/test.txt', 'foo');
+        $git->add('test.txt');
+        $git->commit('master');
+
+        $git->checkout->create('develop');
+        $filesystem->dumpFile($this->directory . '/test.txt', 'bar');
+        $git->add('test.txt');
+        $git->commit('develop');
+
+        $git->checkout('master');
+
+        $this->assertEquals('foo', file_get_contents($this->directory . '/test.txt'));
+
+        $git->merge('develop');
+
+        $this->assertEquals('bar', file_get_contents($this->directory . '/test.txt'));
+    }
+
+    /**
+     * @expectedException \PHPGit\Exception\GitException
+     */
+    public function testMergeFail()
+    {
+        $filesystem = new Filesystem();
+
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+
+        // branch:master
+        $filesystem->dumpFile($this->directory . '/test.txt', 'foo');
+        $git->add('test.txt');
+        $git->commit('master');
+
+        // branch:develop
+        $git->checkout->create('develop');
+        $filesystem->dumpFile($this->directory . '/test.txt', 'bar');
+        $git->add('test.txt');
+        $git->commit('develop');
+
+        // branch:master
+        $git->checkout('master');
+        $filesystem->dumpFile($this->directory . '/test.txt', 'baz');
+        $git->merge('develop');
+    }
+
+    public function testMergeAbort()
+    {
+        $filesystem = new Filesystem();
+
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+
+        // branch:master
+        $filesystem->dumpFile($this->directory . '/test.txt', 'foo');
+        $git->add('test.txt');
+        $git->commit('master');
+
+        // branch:develop
+        $git->checkout->create('develop');
+        $filesystem->dumpFile($this->directory . '/test.txt', 'bar');
+        $git->add('test.txt');
+        $git->commit('develop');
+
+        // branch:master
+        $git->checkout('master');
+        $filesystem->dumpFile($this->directory . '/test.txt', 'baz');
+        $git->add('test.txt');
+        $git->commit('master');
+
+        try {
+            $git->merge('develop');
+            $this->fail('$git->merge("develop") should fail');
+        } catch (Exception $e) {
+        }
+
+        $git->merge->abort();
+
+        $this->assertEquals('baz', file_get_contents($this->directory . '/test.txt'));
+    }
+
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/test/PHPGit/Command/MvCommandTest.php b/library/kzykhys/git/test/PHPGit/Command/MvCommandTest.php
new file mode 100644
index 000000000..dd5f46c55
--- /dev/null
+++ b/library/kzykhys/git/test/PHPGit/Command/MvCommandTest.php
@@ -0,0 +1,26 @@
+<?php
+
+use PHPGit\Git;
+use Symfony\Component\Filesystem\Filesystem;
+
+require_once __DIR__ . '/../BaseTestCase.php';
+
+class MvCommandTest extends BaseTestCase
+{
+
+    public function testMv()
+    {
+        $filesystem = new Filesystem();
+
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+        $filesystem->dumpFile($this->directory . '/test.txt', 'foo');
+        $git->add('test.txt');
+        $git->commit('Initial commit');
+        $git->mv('test.txt', 'test2.txt');
+
+        $this->assertFileExists($this->directory . '/test2.txt');
+    }
+
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/test/PHPGit/Command/PullCommandTest.php b/library/kzykhys/git/test/PHPGit/Command/PullCommandTest.php
new file mode 100644
index 000000000..89dec75a9
--- /dev/null
+++ b/library/kzykhys/git/test/PHPGit/Command/PullCommandTest.php
@@ -0,0 +1,22 @@
+<?php
+
+use PHPGit\Git;
+
+require_once __DIR__ . '/../BaseTestCase.php';
+
+class PullCommandTest extends BaseTestCase
+{
+
+    public function testPull()
+    {
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+
+        $git->remote->add('origin', 'https://github.com/kzykhys/Text.git');
+        $git->pull('origin', 'master');
+
+        $this->assertFileExists($this->directory . '/README.md');
+    }
+
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/test/PHPGit/Command/PushCommandTest.php b/library/kzykhys/git/test/PHPGit/Command/PushCommandTest.php
new file mode 100644
index 000000000..11424cebc
--- /dev/null
+++ b/library/kzykhys/git/test/PHPGit/Command/PushCommandTest.php
@@ -0,0 +1,34 @@
+<?php
+
+use PHPGit\Git;
+use Symfony\Component\Filesystem\Filesystem;
+
+require_once __DIR__ . '/../BaseTestCase.php';
+
+class PushCommandTest extends BaseTestCase
+{
+
+    public function testPush()
+    {
+        $filesystem = new Filesystem();
+
+        $git = new Git();
+        $git->init($this->directory, array('shared' => true, 'bare' => true));
+
+        $git->clone('file://' . realpath($this->directory), $this->directory.'2');
+        $git->setRepository($this->directory.'2');
+
+        $filesystem->dumpFile($this->directory.'2/test.txt', 'foobar');
+        $git->add('test.txt');
+        $git->commit('test');
+        $git->push('origin', 'master');
+
+        $git->clone('file://' . realpath($this->directory), $this->directory.'3');
+
+        $this->assertFileExists($this->directory.'3/test.txt');
+
+        $filesystem->remove($this->directory.'2');
+        $filesystem->remove($this->directory.'3');
+    }
+
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/test/PHPGit/Command/RebaseCommandTest.php b/library/kzykhys/git/test/PHPGit/Command/RebaseCommandTest.php
new file mode 100644
index 000000000..af7e87a19
--- /dev/null
+++ b/library/kzykhys/git/test/PHPGit/Command/RebaseCommandTest.php
@@ -0,0 +1,154 @@
+<?php
+
+use PHPGit\Git;
+use Symfony\Component\Filesystem\Filesystem;
+
+require_once __DIR__ . '/../BaseTestCase.php';
+
+class RebaseCommandTest extends BaseTestCase
+{
+
+    public function testRebase()
+    {
+        $filesystem = new Filesystem();
+
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+
+        $filesystem->dumpFile($this->directory . '/test.txt', '123');
+        $git->add('test.txt');
+        $git->commit('initial commit');
+
+        $git->checkout->create('next');
+        $filesystem->dumpFile($this->directory . '/test2.txt', '123');
+        $git->add('test2.txt');
+        $git->commit('test');
+
+        $git->checkout('master');
+        $git->rebase('next', 'master');
+
+        $this->assertFileExists($this->directory. '/test2.txt');
+    }
+
+    public function testRebaseOnto()
+    {
+        $filesystem = new Filesystem();
+
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+        $filesystem->dumpFile($this->directory . '/test.txt', '123');
+        $git->add('test.txt');
+        $git->commit('initial commit');
+
+        $git->checkout->create('next');
+        $filesystem->dumpFile($this->directory . '/test2.txt', '123');
+        $git->add('test2.txt');
+        $git->commit('test');
+
+        $git->checkout->create('topic', 'next');
+        $filesystem->dumpFile($this->directory . '/test3.txt', '123');
+        $git->add('test3.txt');
+        $git->commit('test');
+
+        $git->rebase('next', null, array('onto' => 'master'));
+        $this->assertFileNotExists($this->directory . '/test2.txt');
+    }
+
+    public function testRebaseContinue()
+    {
+        $filesystem = new Filesystem();
+
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+
+        $filesystem->dumpFile($this->directory . '/test.txt', 'foo');
+        $git->add('test.txt');
+        $git->commit('initial commit');
+
+        $git->checkout->create('next');
+        $filesystem->dumpFile($this->directory . '/test.txt', 'bar');
+        $git->add('test.txt');
+        $git->commit('next commit');
+
+        $git->checkout('master');
+        $filesystem->dumpFile($this->directory . '/test.txt', 'baz');
+        $git->add('test.txt');
+        $git->commit('master commit');
+
+        try {
+            $git->rebase('next');
+            $this->fail('GitException should be thrown');
+        } catch (\PHPGit\Exception\GitException $e) {
+        }
+
+        $filesystem->dumpFile($this->directory . '/test.txt', 'foobar');
+        $git->add('test.txt');
+        $git->rebase->continues();
+    }
+
+    public function testRebaseAbort()
+    {
+        $filesystem = new Filesystem();
+
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+
+        $filesystem->dumpFile($this->directory . '/test.txt', 'foo');
+        $git->add('test.txt');
+        $git->commit('initial commit');
+
+        $git->checkout->create('next');
+        $filesystem->dumpFile($this->directory . '/test.txt', 'bar');
+        $git->add('test.txt');
+        $git->commit('next commit');
+
+        $git->checkout('master');
+        $filesystem->dumpFile($this->directory . '/test.txt', 'baz');
+        $git->add('test.txt');
+        $git->commit('master commit');
+
+        try {
+            $git->rebase('next');
+            $this->fail('GitException should be thrown');
+        } catch (\PHPGit\Exception\GitException $e) {
+        }
+
+        $git->rebase->abort();
+    }
+
+    public function testRebaseSkip()
+    {
+        $filesystem = new Filesystem();
+
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+
+        $filesystem->dumpFile($this->directory . '/test.txt', 'foo');
+        $git->add('test.txt');
+        $git->commit('initial commit');
+
+        $git->checkout->create('next');
+        $filesystem->dumpFile($this->directory . '/test.txt', 'bar');
+        $git->add('test.txt');
+        $git->commit('next commit');
+
+        $git->checkout('master');
+        $filesystem->dumpFile($this->directory . '/test.txt', 'baz');
+        $git->add('test.txt');
+        $git->commit('master commit');
+
+        try {
+            $git->rebase('next');
+            $this->fail('GitException should be thrown');
+        } catch (\PHPGit\Exception\GitException $e) {
+        }
+
+        $git->rebase->skip();
+    }
+
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/test/PHPGit/Command/Remote/SetBranchesCommandTest.php b/library/kzykhys/git/test/PHPGit/Command/Remote/SetBranchesCommandTest.php
new file mode 100644
index 000000000..4f428f832
--- /dev/null
+++ b/library/kzykhys/git/test/PHPGit/Command/Remote/SetBranchesCommandTest.php
@@ -0,0 +1,28 @@
+<?php
+
+use PHPGit\Git;
+
+require_once __DIR__ . '/../../BaseTestCase.php';
+
+class SetBranchesCommandTest extends BaseTestCase
+{
+
+    public function testSetBranches()
+    {
+        $git = new Git();
+        $git->clone('https://github.com/kzykhys/Text.git', $this->directory);
+        $git->setRepository($this->directory);
+
+        $git->remote->branches('origin', array('master'));
+    }
+
+    public function testSetBranchesAdd()
+    {
+        $git = new Git();
+        $git->clone('https://github.com/kzykhys/Text.git', $this->directory);
+        $git->setRepository($this->directory);
+
+        $git->remote->branches->add('origin', array('gh-pages'));
+    }
+
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/test/PHPGit/Command/Remote/SetHeadCommandTest.php b/library/kzykhys/git/test/PHPGit/Command/Remote/SetHeadCommandTest.php
new file mode 100644
index 000000000..679c2976f
--- /dev/null
+++ b/library/kzykhys/git/test/PHPGit/Command/Remote/SetHeadCommandTest.php
@@ -0,0 +1,56 @@
+<?php
+
+use PHPGit\Git;
+
+require_once __DIR__ . '/../../BaseTestCase.php';
+
+class SetHeadCommandTest extends BaseTestCase
+{
+
+    public function testSetHead()
+    {
+        $git = new Git();
+        $git->clone('https://github.com/kzykhys/Text.git', $this->directory);
+        $git->setRepository($this->directory);
+
+        $before = $git->branch(array('all' => true));
+
+        $git->remote->head('origin', 'master');
+
+        $after = $git->branch(array('all' => true));
+
+        $this->assertEquals($before, $after);
+    }
+
+    public function testSetHeadDelete()
+    {
+        $git = new Git();
+        $git->clone('https://github.com/kzykhys/Text.git', $this->directory);
+        $git->setRepository($this->directory);
+
+        $before = $git->branch(array('all' => true));
+
+        $git->remote->head->delete('origin');
+
+        $after = $git->branch(array('all' => true));
+
+        $this->assertNotEquals($before, $after);
+    }
+
+    public function testSetHeadRemote()
+    {
+        $git = new Git();
+        $git->clone('https://github.com/kzykhys/Text.git', $this->directory);
+        $git->setRepository($this->directory);
+
+        $before = $git->branch(array('all' => true));
+
+        $git->remote->head->delete('origin');
+        $git->remote->head->remote('origin');
+
+        $after = $git->branch(array('all' => true));
+
+        $this->assertEquals($before, $after);
+    }
+
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/test/PHPGit/Command/Remote/SetUrlCommandTest.php b/library/kzykhys/git/test/PHPGit/Command/Remote/SetUrlCommandTest.php
new file mode 100644
index 000000000..b70b67d40
--- /dev/null
+++ b/library/kzykhys/git/test/PHPGit/Command/Remote/SetUrlCommandTest.php
@@ -0,0 +1,46 @@
+<?php
+
+use PHPGit\Git;
+
+require_once __DIR__ . '/../../BaseTestCase.php';
+
+class SetUrlCommandTest extends BaseTestCase
+{
+
+    public function testSetUrl()
+    {
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+        $git->remote->add('origin', 'http://example.com/test.git');
+        $git->remote->url('origin', 'https://github.com/kzykhys/Text.git', 'http://example.com/test.git');
+
+        $remotes = $git->remote();
+
+        $this->assertEquals('https://github.com/kzykhys/Text.git', $remotes['origin']['fetch']);
+    }
+
+    public function testSetUrlAdd()
+    {
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+        $git->remote->add('origin', 'http://example.com/test.git');
+        $git->remote->url->add('origin', 'https://github.com/kzykhys/Text.git');
+    }
+
+    public function testSetUrlDelete()
+    {
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+        $git->remote->add('origin', 'http://example.com/test.git');
+        $git->remote->url->add('origin', 'https://github.com/kzykhys/Text.git');
+        $git->remote->url->delete('origin', 'https://github.com');
+
+        $remotes = $git->remote();
+
+        $this->assertEquals('http://example.com/test.git', $remotes['origin']['fetch']);
+    }
+
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/test/PHPGit/Command/RemoteCommandTest.php b/library/kzykhys/git/test/PHPGit/Command/RemoteCommandTest.php
new file mode 100644
index 000000000..78aa81309
--- /dev/null
+++ b/library/kzykhys/git/test/PHPGit/Command/RemoteCommandTest.php
@@ -0,0 +1,100 @@
+<?php
+
+use PHPGit\Git;
+
+require_once __DIR__ . '/../BaseTestCase.php';
+
+class RemoteCommandTest extends BaseTestCase
+{
+
+    public function testRemote()
+    {
+        $git = new Git();
+        $git->clone('https://github.com/kzykhys/Text.git', $this->directory);
+        $git->setRepository($this->directory);
+
+        $remotes = $git->remote();
+
+        $this->assertEquals(array(
+            'origin' => array(
+                'fetch' => 'https://github.com/kzykhys/Text.git',
+                'push'  => 'https://github.com/kzykhys/Text.git'
+            )
+        ), $remotes);
+    }
+
+    public function testRemoteAdd()
+    {
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+        $git->remote->add('origin', 'https://github.com/kzykhys/Text.git');
+
+        $remotes = $git->remote();
+
+        $this->assertEquals(array(
+            'origin' => array(
+                'fetch' => 'https://github.com/kzykhys/Text.git',
+                'push'  => 'https://github.com/kzykhys/Text.git'
+            )
+        ), $remotes);
+    }
+
+    public function testRemoteRename()
+    {
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+        $git->remote->add('origin', 'https://github.com/kzykhys/Text.git');
+        $git->remote->rename('origin', 'upstream');
+
+        $remotes = $git->remote();
+        $this->assertEquals(array(
+            'upstream' => array(
+                'fetch' => 'https://github.com/kzykhys/Text.git',
+                'push'  => 'https://github.com/kzykhys/Text.git'
+            )
+        ), $remotes);
+    }
+
+    public function testRemoteRm()
+    {
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+        $git->remote->add('origin', 'https://github.com/kzykhys/Text.git');
+        $git->remote->rm('origin');
+
+        $remotes = $git->remote();
+        $this->assertEquals(array(), $remotes);
+    }
+
+    public function testRemoteShow()
+    {
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+        $git->remote->add('origin', 'https://github.com/kzykhys/Text.git');
+
+        $this->assertNotEmpty($git->remote->show('origin'));
+    }
+
+    public function testRemotePrune()
+    {
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+        $git->remote->add('origin', 'https://github.com/kzykhys/Text.git');
+        $git->remote->prune('origin');
+    }
+
+    /**
+     * @expectedException \BadMethodCallException
+     */
+    public function testBadMethodCall()
+    {
+        $git = new Git();
+        $git->remote->foo();
+    }
+
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/test/PHPGit/Command/ResetCommandTest.php b/library/kzykhys/git/test/PHPGit/Command/ResetCommandTest.php
new file mode 100644
index 000000000..777e48512
--- /dev/null
+++ b/library/kzykhys/git/test/PHPGit/Command/ResetCommandTest.php
@@ -0,0 +1,128 @@
+<?php
+
+use PHPGit\Git;
+use Symfony\Component\Filesystem\Filesystem;
+
+require_once __DIR__ . '/../BaseTestCase.php';
+
+
+class ResetCommandTest extends BaseTestCase
+{
+
+    public function testReset()
+    {
+        $filesystem = new Filesystem();
+
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+        $filesystem->dumpFile($this->directory . '/README.md', 'foo');
+        $git->add('README.md');
+        $git->commit('Initial commit');
+
+        $filesystem->dumpFile($this->directory . '/README.md', 'hello');
+        $git->add('README.md');
+
+        $git->reset('README.md', 'HEAD');
+    }
+
+    public function testResetSoft()
+    {
+        $filesystem = new Filesystem();
+
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+        $filesystem->dumpFile($this->directory . '/README.md', 'foo');
+        $git->add('README.md');
+        $git->commit('Initial commit');
+
+        $filesystem->dumpFile($this->directory . '/README.md', 'hello');
+
+        $git->reset->soft();
+    }
+
+    public function testResetMixed()
+    {
+        $filesystem = new Filesystem();
+
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+        $filesystem->dumpFile($this->directory . '/README.md', 'foo');
+        $git->add('README.md');
+        $git->commit('Initial commit');
+
+        $filesystem->dumpFile($this->directory . '/README.md', 'hello');
+
+        $git->reset->mixed();
+    }
+
+    public function testResetHard()
+    {
+        $filesystem = new Filesystem();
+
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+        $filesystem->dumpFile($this->directory . '/README.md', 'foo');
+        $git->add('README.md');
+        $git->commit('Initial commit');
+
+        $filesystem->dumpFile($this->directory . '/README.md', 'hello');
+
+        $git->reset->hard('HEAD');
+    }
+
+    public function testResetMerge()
+    {
+        $filesystem = new Filesystem();
+
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+        $filesystem->dumpFile($this->directory . '/README.md', 'foo');
+        $git->add('README.md');
+        $git->commit('Initial commit');
+
+        $filesystem->dumpFile($this->directory . '/README.md', 'hello');
+
+        $git->reset->merge();
+    }
+
+    public function testResetKeep()
+    {
+        $filesystem = new Filesystem();
+
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+        $filesystem->dumpFile($this->directory . '/README.md', 'foo');
+        $git->add('README.md');
+        $git->commit('Initial commit');
+
+        $filesystem->dumpFile($this->directory . '/README.md', 'hello');
+
+        $git->reset->keep();
+    }
+
+    /**
+     * @expectedException InvalidArgumentException
+     */
+    public function testResetInvalidMode()
+    {
+        $filesystem = new Filesystem();
+
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+        $filesystem->dumpFile($this->directory . '/README.md', 'foo');
+        $git->add('README.md');
+        $git->commit('Initial commit');
+
+        $filesystem->dumpFile($this->directory . '/README.md', 'hello');
+
+        $git->reset->mode('foo');
+    }
+
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/test/PHPGit/Command/RmCommandTest.php b/library/kzykhys/git/test/PHPGit/Command/RmCommandTest.php
new file mode 100644
index 000000000..34996cc12
--- /dev/null
+++ b/library/kzykhys/git/test/PHPGit/Command/RmCommandTest.php
@@ -0,0 +1,51 @@
+<?php
+
+use PHPGit\Git;
+use Symfony\Component\Filesystem\Filesystem;
+
+require_once __DIR__ . '/../BaseTestCase.php';
+
+class RmCommandTest extends BaseTestCase
+{
+
+    public function testRm()
+    {
+        $filesystem = new Filesystem();
+
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+
+        $filesystem->dumpFile($this->directory . '/README.md', 'foo');
+        $filesystem->dumpFile($this->directory . '/bin/test.php', 'foo');
+        $git->add(array('README.md', 'bin/test.php'));
+        $git->commit('Initial commit');
+
+        $git->rm('README.md');
+        $git->rm('bin', array('recursive' => true));
+
+        $this->assertFileNotExists($this->directory . '/README.md');
+    }
+
+    public function testRmCached()
+    {
+        $filesystem = new Filesystem();
+
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+
+        $filesystem->dumpFile($this->directory . '/README.md', 'foo');
+        $git->add('README.md');
+        $git->commit('Initial commit');
+
+        $git->rm->cached('README.md');
+        $git->commit('Delete README.md');
+
+        $this->assertFileExists($this->directory . '/README.md');
+
+        $tree = $git->tree();
+        $this->assertEquals(array(), $tree);
+    }
+
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/test/PHPGit/Command/ShortlogCommandTest.php b/library/kzykhys/git/test/PHPGit/Command/ShortlogCommandTest.php
new file mode 100755
index 000000000..48967cab1
--- /dev/null
+++ b/library/kzykhys/git/test/PHPGit/Command/ShortlogCommandTest.php
@@ -0,0 +1,71 @@
+<?php
+
+use PHPGit\Git;
+use Symfony\Component\Filesystem\Filesystem;
+
+require_once __DIR__ . '/../BaseTestCase.php';
+
+class ShortlogCommandTest extends BaseTestCase
+{
+
+    public function testShortlog()
+    {
+        $filesystem = new Filesystem();
+
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+        $git->config->set('user.name', 'Name One');
+        $git->config->set('user.email', 'one@example.com');
+        $filesystem->dumpFile($this->directory . '/test.txt', '');
+        $git->add('test.txt');
+        $git->commit('1');
+        $filesystem->dumpFile($this->directory . '/test2.txt', '');
+        $git->add('test2.txt');
+        $git->commit('2');
+
+        $git->config->set('user.name', 'Name Two');
+        $git->config->set('user.email', 'two@example.com');
+        $filesystem->dumpFile($this->directory . '/test3.txt', '');
+        $git->add('test3.txt');
+        $git->commit('3');
+
+        $shortlog = $git->shortlog();
+
+        $this->assertCount(2, $shortlog);
+        $this->assertCount(2, $shortlog['Name One <one@example.com>']);
+        $this->assertCount(1, $shortlog['Name Two <two@example.com>']);
+        $this->assertEquals('1', $shortlog['Name One <one@example.com>'][0]['subject']);
+    }
+
+    public function testShortlogSummary()
+    {
+        $filesystem = new Filesystem();
+
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+        $git->config->set('user.name', 'Name One');
+        $git->config->set('user.email', 'one@example.com');
+        $filesystem->dumpFile($this->directory . '/test.txt', '');
+        $git->add('test.txt');
+        $git->commit('1');
+        $filesystem->dumpFile($this->directory . '/test2.txt', '');
+        $git->add('test2.txt');
+        $git->commit('2');
+
+        $git->config->set('user.name', 'Name Two');
+        $git->config->set('user.email', 'two@example.com');
+        $filesystem->dumpFile($this->directory . '/test3.txt', '');
+        $git->add('test3.txt');
+        $git->commit('3');
+
+        $summary = $git->shortlog->summary();
+
+        $this->assertEquals(array(
+            'Name One <one@example.com>' => 2,
+            'Name Two <two@example.com>' => 1
+        ), $summary);
+    }
+
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/test/PHPGit/Command/ShowCommandTest.php b/library/kzykhys/git/test/PHPGit/Command/ShowCommandTest.php
new file mode 100644
index 000000000..25b22fe4f
--- /dev/null
+++ b/library/kzykhys/git/test/PHPGit/Command/ShowCommandTest.php
@@ -0,0 +1,26 @@
+<?php
+
+use PHPGit\Git;
+use Symfony\Component\Filesystem\Filesystem;
+
+require_once __DIR__ . '/../BaseTestCase.php';
+
+class ShowCommandTest extends BaseTestCase
+{
+
+    public function testShow()
+    {
+        $filesystem = new Filesystem();
+
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+
+        $filesystem->dumpFile($this->directory . '/README.md', 'foobar');
+        $git->add('README.md');
+        $git->commit('Initial commit');
+
+        $git->show('master', array('format' => 'oneline'));
+    }
+
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/test/PHPGit/Command/StashCommandTest.php b/library/kzykhys/git/test/PHPGit/Command/StashCommandTest.php
new file mode 100644
index 000000000..bb87e48ea
--- /dev/null
+++ b/library/kzykhys/git/test/PHPGit/Command/StashCommandTest.php
@@ -0,0 +1,204 @@
+<?php
+
+use PHPGit\Git;
+use Symfony\Component\Filesystem\Filesystem;
+
+require_once __DIR__ . '/../BaseTestCase.php';
+
+class StashCommandTest extends BaseTestCase
+{
+
+    public function testStash()
+    {
+        $filesystem = new Filesystem();
+
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+        $filesystem->dumpFile($this->directory . '/README.md', 'hello');
+        $git->add('.');
+        $git->commit('Initial commit');
+
+        $filesystem->dumpFile($this->directory . '/README.md', 'hi!');
+        $git->stash();
+
+        $this->assertEquals('hello', file_get_contents($this->directory.'/README.md'));
+    }
+
+    public function testStashSave()
+    {
+        $filesystem = new Filesystem();
+
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+        $filesystem->dumpFile($this->directory . '/README.md', 'hello');
+        $git->add('.');
+        $git->commit('Initial commit');
+
+        $filesystem->dumpFile($this->directory . '/README.md', 'hi!');
+        $git->stash->save('stash test');
+
+        $this->assertEquals('hello', file_get_contents($this->directory.'/README.md'));
+    }
+
+    public function testStashList()
+    {
+        $filesystem = new Filesystem();
+
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+        $filesystem->dumpFile($this->directory . '/README.md', 'hello');
+        $git->add('.');
+        $git->commit('Initial commit');
+
+        $filesystem->dumpFile($this->directory . '/README.md', 'hi!');
+        $git->stash();
+
+        $stashes = $git->stash->lists();
+
+        $this->assertCount(1, $stashes);
+        $this->assertEquals('master', $stashes[0]['branch']);
+        $this->assertStringEndsWith('Initial commit', $stashes[0]['message']);
+    }
+
+    public function testStashShow()
+    {
+        $filesystem = new Filesystem();
+
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+        $filesystem->dumpFile($this->directory . '/README.md', 'hello');
+        $git->add('.');
+        $git->commit('Initial commit');
+
+        $filesystem->dumpFile($this->directory . '/README.md', 'hi!');
+        $git->stash();
+        $git->stash->show('stash@{0}');
+    }
+
+    public function testStashDrop()
+    {
+        $filesystem = new Filesystem();
+
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+        $filesystem->dumpFile($this->directory . '/README.md', 'hello');
+        $git->add('.');
+        $git->commit('Initial commit');
+
+        $filesystem->dumpFile($this->directory . '/README.md', 'hi!');
+        $git->stash();
+        $git->stash->drop();
+
+        $filesystem->dumpFile($this->directory . '/README.md', 'hi!');
+        $git->stash();
+        $git->stash->drop('stash@{0}');
+
+        $this->assertCount(0, $git->stash->lists());
+    }
+
+    public function testStashPop()
+    {
+        $filesystem = new Filesystem();
+
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+        $filesystem->dumpFile($this->directory . '/README.md', 'hello');
+        $git->add('.');
+        $git->commit('Initial commit');
+
+        $filesystem->dumpFile($this->directory . '/README.md', 'hi!');
+        $git->stash->save('stash#1');
+
+        $filesystem->dumpFile($this->directory . '/README.md', 'bar');
+        $git->stash->save('stash#2');
+        $git->stash->pop('stash@{1}');
+
+        $this->assertEquals('hi!', file_get_contents($this->directory.'/README.md'));
+        $this->assertCount(1, $git->stash->lists());
+    }
+
+    public function testStashApply()
+    {
+        $filesystem = new Filesystem();
+
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+        $filesystem->dumpFile($this->directory . '/README.md', 'hello');
+        $git->add('.');
+        $git->commit('Initial commit');
+
+        $filesystem->dumpFile($this->directory . '/README.md', 'hi!');
+        $git->stash->save('stash#1');
+
+        $filesystem->dumpFile($this->directory . '/README.md', 'bar');
+        $git->stash->save('stash#2');
+        $git->stash->apply('stash@{1}');
+
+        $this->assertEquals('hi!', file_get_contents($this->directory.'/README.md'));
+        $this->assertCount(2, $git->stash->lists());
+    }
+
+    public function testStashBranch()
+    {
+        $filesystem = new Filesystem();
+
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+        $filesystem->dumpFile($this->directory . '/README.md', 'hello');
+        $git->add('.');
+        $git->commit('Initial commit');
+
+        $filesystem->dumpFile($this->directory . '/README.md', 'hi!');
+        $git->stash();
+
+        $git->stash->branch('dev', 'stash@{0}');
+        $status = $git->status();
+
+        $this->assertEquals('dev', $status['branch']);
+        $this->assertEquals('hi!', file_get_contents($this->directory.'/README.md'));
+    }
+
+    public function testStashClear()
+    {
+        $filesystem = new Filesystem();
+
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+        $filesystem->dumpFile($this->directory . '/README.md', 'hello');
+        $git->add('.');
+        $git->commit('Initial commit');
+
+        $filesystem->dumpFile($this->directory . '/README.md', 'hi!');
+        $git->stash();
+        $git->stash->clear();
+
+        $this->assertCount(0, $git->stash->lists());
+    }
+
+    public function testStashCreate()
+    {
+        $filesystem = new Filesystem();
+
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+        $filesystem->dumpFile($this->directory . '/README.md', 'hello');
+        $git->add('.');
+        $git->commit('Initial commit');
+
+        $filesystem->dumpFile($this->directory . '/README.md', 'hi!');
+        $object = $git->stash->create();
+
+        $this->assertNotEmpty($object);
+    }
+
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/test/PHPGit/Command/StatusCommandTest.php b/library/kzykhys/git/test/PHPGit/Command/StatusCommandTest.php
new file mode 100644
index 000000000..ad04a74c0
--- /dev/null
+++ b/library/kzykhys/git/test/PHPGit/Command/StatusCommandTest.php
@@ -0,0 +1,76 @@
+<?php
+
+use PHPGit\Command\StatusCommand;
+use PHPGit\Git;
+use Symfony\Component\Filesystem\Filesystem;
+
+require_once __DIR__ . '/../BaseTestCase.php';
+
+class StatusCommandTest extends BaseTestCase
+{
+
+    public function testStatus()
+    {
+        $filesystem = new Filesystem();
+
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+
+        $filesystem->dumpFile($this->directory . '/item1.txt', '1');
+        $filesystem->dumpFile($this->directory . '/item2.txt', '2');
+        $filesystem->dumpFile($this->directory . '/item3.txt', '3');
+
+        $git->add('item1.txt');
+        $git->add('item2.txt');
+
+        $filesystem->dumpFile($this->directory . '/item1.txt', '1-1');
+
+        $status = $git->status();
+
+        $this->assertEquals(array(
+            'branch' => 'master',
+            'changes' => array(
+                array('file' => 'item1.txt', 'index' => StatusCommand::ADDED, 'work_tree' => StatusCommand::MODIFIED),
+                array('file' => 'item2.txt', 'index' => StatusCommand::ADDED, 'work_tree' => StatusCommand::UNMODIFIED),
+                array('file' => 'item3.txt', 'index' => StatusCommand::UNTRACKED, 'work_tree' => StatusCommand::UNTRACKED),
+            )
+        ), $status);
+    }
+
+    public function testDetachedHeadStatus()
+    {
+        $filesystem = new Filesystem();
+
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+
+        $filesystem->dumpFile($this->directory . '/item1.txt', '1');
+        $git->add('item1.txt');
+        $git->commit('initial commit');
+        $logs = $git->log();
+        $hash = $logs[0]['hash'];
+
+        $git->checkout($hash);
+        $status = $git->status();
+        $this->assertEquals(null, $status['branch']);
+    }
+
+    public function testTrackingBranchStatus()
+    {
+        $filesystem = new Filesystem();
+
+        $git = new Git();
+        $git->clone('https://github.com/kzykhys/Text.git', $this->directory);
+        $git->setRepository($this->directory);
+
+        $filesystem->dumpFile($this->directory . '/test.txt', '1');
+        $git->add('test.txt');
+        $git->commit('test');
+
+        $status = $git->status();
+        $this->assertEquals('master', $status['branch']);
+    }
+
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/test/PHPGit/Command/TagCommandTest.php b/library/kzykhys/git/test/PHPGit/Command/TagCommandTest.php
new file mode 100644
index 000000000..5715ba92e
--- /dev/null
+++ b/library/kzykhys/git/test/PHPGit/Command/TagCommandTest.php
@@ -0,0 +1,58 @@
+<?php
+
+use PHPGit\Git;
+use Symfony\Component\Filesystem\Filesystem;
+
+require_once __DIR__ . '/../BaseTestCase.php';
+
+class TagCommandTest extends BaseTestCase
+{
+
+    public function testTagDelete()
+    {
+        $filesystem = new Filesystem();
+
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+        $filesystem->dumpFile($this->directory . '/README.md', 'hello');
+        $git->add('.');
+        $git->commit('Initial commit');
+        $git->tag->create('v1.0.0');
+        $git->tag->delete('v1.0.0');
+        $this->assertCount(0, $git->tag());
+    }
+
+    /**
+     * @expectedException \PHPGit\Exception\GitException
+     */
+    public function testTagVerify()
+    {
+        $filesystem = new Filesystem();
+
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+        $filesystem->dumpFile($this->directory . '/README.md', 'hello');
+        $git->add('.');
+        $git->commit('Initial commit');
+        $git->tag->create('v1.0.0');
+        $git->tag->verify('v1.0.0');
+    }
+
+    public function testCreateTagFromCommit()
+    {
+        $filesystem = new Filesystem();
+
+        $git = new Git();
+        $git->init($this->directory);
+        $git->setRepository($this->directory);
+        $filesystem->dumpFile($this->directory . '/README.md', 'hello');
+        $git->add('.');
+        $git->commit('Initial commit');
+        $log = $git->log(null, null, array('limit' => 1));
+        $git->tag->create('v1.0.0', $log[0]['hash']);
+        $this->assertCount(1, $git->tag());
+    }
+
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/test/PHPGit/Exception/GitExceptionTest.php b/library/kzykhys/git/test/PHPGit/Exception/GitExceptionTest.php
new file mode 100644
index 000000000..154d6b906
--- /dev/null
+++ b/library/kzykhys/git/test/PHPGit/Exception/GitExceptionTest.php
@@ -0,0 +1,23 @@
+<?php
+
+use PHPGit\Exception\GitException;
+use PHPGit\Git;
+
+class GitExceptionTest extends PHPUnit_Framework_TestCase
+{
+
+    public function testException()
+    {
+        $git = new Git();
+        $git->setRepository(sys_get_temp_dir());
+        try {
+            $git->status();
+            $this->fail('Previous operation should fail');
+        } catch (GitException $e) {
+            $command = $e->getCommandLine();
+            $command = str_replace(array('"', "'"), '', $command);
+            $this->assertStringEndsWith('status --porcelain -s -b --null', $command);
+        }
+    }
+
+} 
\ No newline at end of file
diff --git a/library/kzykhys/git/test/PHPGit/GitTest.php b/library/kzykhys/git/test/PHPGit/GitTest.php
new file mode 100644
index 000000000..c9aceeb13
--- /dev/null
+++ b/library/kzykhys/git/test/PHPGit/GitTest.php
@@ -0,0 +1,33 @@
+<?php
+
+use PHPGit\Git;
+
+class GitTest extends PHPUnit_Framework_TestCase
+{
+
+    public function testGetVersion()
+    {
+        $git = new Git();
+        $this->assertNotEmpty($git->getVersion());
+    }
+
+    /**
+     * @expectedException \PHPGit\Exception\GitException
+     */
+    public function testInvalidGitBinary()
+    {
+        $git = new Git();
+        $git->setBin('/foo/bar');
+        $git->getVersion();
+    }
+
+    /**
+     * @expectedException \BadMethodCallException
+     */
+    public function testBadMethodCall()
+    {
+        $git = new Git();
+        $git->foo();
+    }
+
+} 
\ No newline at end of file