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<?php
namespace Zotlabs\Storage;
use PHPGit\Git as PHPGit;
require __DIR__ . '/../../library/PHPGit.autoload.php'; // Load PHPGit dependencies
/**
* Wrapper class for PHPGit class for git repositories managed by Hubzilla
*
* @author Andrew Manning <andrewmanning@grid.reticu.li>
*/
class GitRepo {
public $url = null;
public $name = null;
private $path = null;
private $channel = null;
public $git = null;
private $repoBasePath = null;
function __construct($channel = 'sys', $url = null, $clone = false, $name = null, $path = null) {
if ($channel === 'sys' && !is_site_admin()) {
logger('Only admin can use channel sys');
return null;
}
$this->repoBasePath = __DIR__ . '/../../store/git';
$this->channel = $channel;
$this->git = new PHPGit();
// Allow custom path for repo in the case of , for example
if ($path) {
$this->path = $path;
} else {
$this->path = $this->repoBasePath . "/" . $this->channel . "/" . $this->name;
}
if ($this->isValidGitRepoURL($url)) {
$this->url = $url;
}
if ($name) {
$this->name = $name;
} else {
$this->name = $this->getRepoNameFromURL($url);
}
if (!$this->name) {
logger('Error creating GitRepo. No repo name found.');
return null;
}
if (is_dir($this->path)) {
// ignore the $url input if it exists
// TODO: Check if the path is either empty or is a valid git repo and error if not
$this->git->setRepository($this->path);
// TODO: get repo metadata
return;
}
if ($this->url) {
// create the folder and clone the repo at url to that folder if $clone is true
if ($clone) {
if (mkdir($this->path, 0770, true)) {
$this->git->setRepository($this->path);
if (!$this->cloneRepo()) {
// TODO: throw error
logger('git clone failed: ' . json_encode($this->git));
}
} else {
logger('git repo path could not be created: ' . json_encode($this->git));
}
}
}
}
public function initRepo() {
if(!$this->path) return false;
try {
return $this->git->init($this->path);
} catch (\PHPGit\Exception\GitException $ex) {
return false;
}
}
public function pull() {
try {
$success = $this->git->pull();
} catch (\PHPGit\Exception\GitException $ex) {
return false;
}
return $success;
}
public function getRepoPath() {
return $this->path;
}
public function setRepoPath($directory) {
if (is_dir($directory)) {
$this->path->$directory;
$this->git->setRepository($directory);
return true;
}
return false;
}
public function setIdentity($user_name, $user_email) {
// setup user for commit messages
$this->git->config->set("user.name", $user_name, ['global' => false, 'system' => false]);
$this->git->config->set("user.email", $user_email, ['global' => false, 'system' => false]);
}
public function cloneRepo() {
if (validate_url($this->url) && $this->isValidGitRepoURL($this->url) && is_dir($this->path)) {
return $this->git->clone($this->url, $this->path);
}
}
public function probeRepo() {
$git = $this->git;
$repo = array();
$repo['remote'] = $git->remote();
$repo['branches'] = $git->branch(['all' => true]);
$repo['logs'] = $git->log(array('limit' => 50));
return $repo;
}
// Commit changes to the repo. Default is to stage all changes and commit everything.
public function commit($msg, $options = array()) {
try {
return $this->git->commit($msg, $options);
} catch (\PHPGit\Exception\GitException $ex) {
return false;
}
}
public static function isValidGitRepoURL($url) {
if (validate_url($url) && strrpos(parse_url($url, PHP_URL_PATH), '.')) {
return true;
} else {
return false;
}
}
public static function getRepoNameFromURL($url) {
$urlpath = parse_url($url, PHP_URL_PATH);
$lastslash = strrpos($urlpath, '/') + 1;
$gitext = strrpos($urlpath, '.');
if ($gitext) {
return substr($urlpath, $lastslash, $gitext - $lastslash);
} else {
return null;
}
}
}
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