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‎CI_Git.php‎

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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
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/**
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* CodeIgniter
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*
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* An open source application development framework for PHP 4.3.2 or newer
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*
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* @package CodeIgniter
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* @author ExpressionEngine Dev Team
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* @copyright Copyright (c) 2008 - 2009, EllisLab, Inc.
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* @license http://codeigniter.com/user_guide/license.html
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* @link http://codeigniter.com
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* @since Version 1.0
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* @filesource
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*/
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// ------------------------------------------------------------------------
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/**
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* CodeIgniter Git Interface Class
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*
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* This class enables the creating, reading, and manipulation
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* of git repositories.
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*
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* @package CodeIgniter
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* @subpackage Git.php
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* @category Libraries
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* @author James Brumond
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* @link http://code.kbjrweb.com/project/gitphp
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*/
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class Git {
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/**
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* Create a new git repository
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*
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* Accepts a creation path, and, optionally, a source path
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*
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* @access public
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* @param string repository path
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* @param string directory to source
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* @return GitRepo
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*/
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public function &create($repo_path, $source = null) {
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return GitRepo::create_new($repo_path, $source);
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}
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/**
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* Open an existing git repository
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*
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* Accepts a repository path
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*
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* @access public
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* @param string repository path
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* @return GitRepo
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*/
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public function open($repo_path) {
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return new GitRepo($repo_path);
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}
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}
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// ------------------------------------------------------------------------
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/**
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* Git Repository Interface Class
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*
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* This class enables the creating, reading, and manipulation
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* of a git repository
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*
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* @package CodeIgniter
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* @subpackage CIGit
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* @category Libraries
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* @author James Brumond
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* @link http://code.kbjrweb.com/project/gitphp
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*/
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class GitRepo {
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protected $repo_path = null;
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protected $git_path = '/usr/bin/git';
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/**
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* Create a new git repository
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*
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* Accepts a creation path, and, optionally, a source path
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*
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* @access public
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* @param string repository path
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* @param string directory to source
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* @return GitRepo
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*/
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public static function &create_new($repo_path, $source = null) {
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if (is_dir($repo_path) && file_exists($repo_path."/.git") && is_dir($repo_path."/.git")) {
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throw new Exception('"$repo_path" is already a git repository');
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} else {
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if (is_string($source)) {
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$repo = new self($repo_path, true);
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$repo->clone_from($source);
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return $repo;
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} else {
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return new self($repo_path, true);
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}
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}
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}
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/**
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* Constructor
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*
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* Accepts a repository path
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*
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* @access public
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* @param string repository path
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* @param bool create if not exists?
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* @return void
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*/
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public function __construct($repo_path = null, $create_new = false) {
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if (is_string($repo_path))
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$this->set_repo_path($repo_path, $create_new);
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}
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/**
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* Set the repository's path
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*
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* Accepts the repository path
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*
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* @access public
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* @param string repository path
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* @param bool create if not exists?
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* @return void
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*/
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public function set_repo_path($repo_path, $create_new = false) {
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if (is_string($repo_path)) {
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if ($repo_path = realpath($repo_path)) {
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if (is_dir($repo_path)) {
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if (file_exists($repo_path."/.git") && is_dir($repo_path."/.git")) {
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$this->repo_path = $repo_path;
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} else {
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if ($create_new) {
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$this->repo_path = $repo_path;
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$this->run('init');
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} else {
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throw new Exception('"$repo_path" is not a git repository');
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}
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}
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} else {
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throw new Exception('"$repo_path" is not a directory');
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}
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} else {
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if ($create_new) {
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if ($parent = realpath(dirname($repo_path))) {
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try {
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mkdir($repo_path);
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} catch (Exception $e) {
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throw $e; return;
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}
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$this->repo_path = $repo_path;
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$this->run('init');
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} else {
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throw new Exception('cannot create repository in non-existent directory');
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}
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} else {
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throw new Exception('"$repo_path" does not exist');
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}
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}
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}
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}
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/**
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* Run a command in the git repository
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*
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* Accepts a shell command to run
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*
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* @access protected
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* @param string command to run
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* @return string
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*/
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protected function run_command($command) {
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$command = $this->createCommandString($arguments, $options);
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$descriptorspec = array(
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1 => array('pipe', 'w'),
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2 => array('pipe', 'w'),
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);
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$pipes = array();
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$resource = proc_open($command, $descriptorspec, $pipes, $this->repo_path);
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$stdout = stream_get_contents($pipes[1]);
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$stderr = stream_get_contents($pipes[2]);
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foreach ($pipes as $pipe) {
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fclose($pipe);
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}
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$status = trim(proc_close($resource));
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if ($status) {
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$message =
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"Git command threw errors.\n\n" .
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"Output:\n$stdout\n" .
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"Error:\n$stderr";
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throw new Exception($message);
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}
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return $stdout;
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}
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/**
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* Run a git command in the git repository
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*
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* Accepts a git command to run
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*
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* @access public
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* @param string command to run
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* @return string
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*/
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public function run($command) {
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return $this->run_command($this->git_path." ".$command);
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}
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/**
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* Runs a `git add` call
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*
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* Accepts a list of files to add
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*
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* @access public
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* @param mixed files to add
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* @return string
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*/
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public function add($files = "*") {
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if (is_array($files)) $files = '"'.implode('" "', $files).'"';
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return $this->run("add $file -v");
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}
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/**
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* Runs a `git commit` call
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*
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* Accepts a commit message string
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*
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* @access public
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* @param string commit message
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* @return string
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*/
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public function commit($message = "") {
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return $this->run("commit -av -m \"$message\"");
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}
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/**
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* Runs a `git clone` call to clone the current repository
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* into a different directory
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*
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* Accepts a target directory
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*
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* @access public
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* @param string target directory
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* @return string
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*/
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public function clone_to($target) {
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return $this->run("clone --local ".$this->repo_path." $target");
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}
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/**
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* Runs a `git clone` call to clone a different repository
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* into the current repository
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*
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* Accepts a source directory
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*
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* @access public
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* @param string source directory
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* @return string
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*/
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public function clone_from($source) {
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return $this->run("clone --local $source ".$this->repo_path);
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}
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/**
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* Runs a `git clone` call to clone a remote repository
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* into the current repository
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*
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* Accepts a source url
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*
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* @access public
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* @param string source url
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* @return string
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*/
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public function clone_remote($source) {
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return $this->run("clone $source ".$this->repo_path);
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}
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/**
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* Runs a `git clean` call
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*
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* Accepts a remove directories flag
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*
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* @access public
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* @param bool delete directories?
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* @return string
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*/
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public function clean($dirs = false) {
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return $this->run("clean".(($dirs) ? " -d" : ""));
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}
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/**
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* Runs a `git branch` call
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*
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* Accepts a name for the branch
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*
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* @access public
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* @param string branch name
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* @return string
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*/
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public function create_branch($branch) {
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return $this->run("branch $branch");
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}
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/**
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* Runs a `git branch -[d|D]` call
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*
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* Accepts a name for the branch
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*
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* @access public
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* @param string branch name
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* @return string
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*/
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public function delete_branch($branch, $force = false) {
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return $this->run("branch ".(($force) ? '-D' : '-d')." $branch");
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}
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/**
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* Runs a `git checkout` call
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*
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* Accepts a name for the branch
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*
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* @access public
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* @param string branch name
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* @return string
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*/
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public function checkout($branch) {
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return $this->run("checkout $branch");
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}
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}
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/* End Of File */

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