Git lost found.

lost_found.php

#!/usr/bin/php
<?php

if (!isset($_SERVER['argv'][1])) {
    exit('参数错误');
}
$search = $_SERVER['argv'][1];

$output = shell_exec('git fsck --lost-found | grep commit');
$lines = explode("\n", $output);
foreach($lines as $line) {
    $info = explode(' ', $line);
    if(isset($info[2])) {
        $hash = $info[2];
        $output = shell_exec('git show ' . $hash);
        if(strpos($output, $search) !== FALSE) {
            echo $line . "\n";
        }
    }
}