最近都在使用 Git@OSC 代码托管，分享一个php写的获取git仓库信息的类

<?php
require_once("git.class.php");
$repo_path = "/home/git/repositories/";
$git = new git;
$repos = $git->get_repos("/home/git/projects.list");
if(isset($_GET['git']) && in_array($_GET['git'], $repos) && file_exists($repo_path.$_GET['git']."/refs/heads/master")) {
    if(isset($_GET['header']) && !empty($_GET['header']) && file_exists($repo_path.$_GET['git']."/refs/heads/".$_GET['header'])) {
        $header=$_GET['header'];
    } else {
        $header="master";
    }
    echo $git->get_version($repo_path.$_GET['git'], $header);
} else {
    echo "404 Not Found - No such project";
}
 
?>

<?php
 
class git {
    /**
     * parse all commits from repo
     *
     * @param   string  $repo
     * @param   int     $count
     * @param   string  $branch
     * @return  array
     */
    public function get_commits ($repo, $count = -1, $branch = "master") {
        $data = array();
        if(!$data) {
            $cmd = "git --git-dir=".$repo." rev-list --header --max-count=".$count." ".$branch." ";
            $rev_list = shell_exec($cmd);
            foreach(explode("\000", $rev_list) as $rev) {
                $commit = array();
                $rev_lines = explode("\n", str_replace("\r", "", $rev));
                $commit['id'] = $rev_lines[0];
                foreach($rev_lines as $rev_line) {
                    if(substr($rev_line, 0, 4) == "    ") {
                        if(isset($commit['text'])) {
                            $commit['text'] .= "\n".substr($rev_line, 4);
                        } else
                            $commit['text'] = substr($rev_line, 4);
                    } else {
                        $opt = explode(" ", $rev_line);
                        if($opt[0] == "tree") {
                            $commit['tree'] = $opt[1];
                        } else if($opt[0] == "parent") {
                            $commit['parent'][] = $opt[1];
                        } else if($opt[0] == "author") {
                            $commit['author'] = $opt[1];
                            $commit['author_mail'] = $opt[2];
                            $commit['author_time'] = $opt[3];
                        } else if($opt[0] == "committer") {
                            $commit['committer'] = $opt[1];
                            $commit['committer_mail'] = $opt[2];
                            $commit['committer_time'] = $this->get_age($opt[3]);
                        }
                    }
                }
                $data[] = $commit;
            }
        }
        return $data;
    }
     
    /**
     * get latest commit hash
     *
     * @param   string  $repo
     * @param   string  $branch
     * @raturn  string
     */
    public function get_hash ($repo, $branch = "master") {
        $hash = shell_exec('git --git-dir='.$repo.' rev-list -n 1 --pretty="format:%h" --header '.$branch.' | grep "^[0-9a-f]*$"');
        $hash = str_replace("\r","",str_replace("\n","",$hash));
        return $hash;
    }
     
    /**
     * get commit count
     *
     * @param   string  $repo
     * @param   string  $branch
     * @raturn  string
     */
    public function get_count ($repo, $branch = "master") {
        $count = shell_exec('git --git-dir='.$repo.' rev-list --oneline --first-parent --header '.$branch.' | wc -l | sed "s/[ \t]//g"');
        $count = str_replace("\r","",str_replace("\n","",$count));
        return $count;
    }
     
    /**
     * get commit version
     *
     * @param   string  $repo
     * @param   string  $branch
     * @raturn  string
     */
    public function get_version ($repo, $branch = "master") {
        return "git-".$this->get_count($repo, $branch)."-".$this->get_hash($repo, $branch);
    }
     
    /**
     * get commit age
     *
     * @param   string  $age
     * @raturn  string
     */
    public function get_age($age) {
        $age= time() - $age;
        if ($age > 60*60*24*365*2) {
            $age_str = floor($age/60/60/24/365);
            $age_str .= " years ago";
        } else if ($age > 60*60*24*(365/12)*2) {
            $age_str = floor($age/60/60/24/(365/12));
            $age_str .= " months ago";
        } else if ($age > 60*60*24*7*2) {
            $age_str = floor($age/60/60/24/7);
            $age_str .= " weeks ago";
        } else if ($age > 60*60*24*2) {
            $age_str = floor($age/60/60/24);
            $age_str .= " days ago";
        } else if ($age > 60*60*2) {
            $age_str = floor($age/60/60);
            $age_str .= " hours ago";
        } else if ($age > 60*2) {
            $age_str = floor($age/60);
            $age_str .= " min ago";
        } else if ($age > 2) {
            $age_str = $age;
            $age_str .= " sec ago";
        } else {
            $age_str = "right now";
        }
        return $age_str;
    }
     
    /**
     * get repo list from projects.list file
     *
     * @param   string  $path
     * @raturn  array
     */
    public function get_repos ($path) {
        $repo_list = file_get_contents($path);
        $repo_list = explode("\n", $repo_list);
        $data = array();
        foreach($repo_list as $id => $repo) {
            $test = explode(" ",$repo);
            $data[] = $test[0];
        }
        return $data;
    }
}
?>