1 files changed, 145 insertions, 0 deletions
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