#!/usr/bin/php
<?php

//
// post-receive hook
// TODO: This hook can be run for marking repo dirty.
// It is executed once, input is the list of SUCCESSFULLY updated ref.
// The exit code is ignored.
// Useful to send mails.
// Warn: new_ref may not point to ref because of concurrent updates.
// TODO: Re-check man githooks and git-receive-pack!
//

error_reporting(E_ALL);
ini_set("track_errors", "On");

$_start = microtime(TRUE);

$rg_log_sid = getenv('ROCKETGIT_LOG_SID');

$conf = getenv("ROCKETGIT_CONF_FILE");
if (empty($conf))
	$conf = "/etc/rocketgit/config.php";
require_once($conf);

$INC = $rg_scripts . "/inc";
require_once($INC . "/init.inc.php");
require_once($INC . "/util.inc.php");
require_once($INC . "/log.inc.php");
require_once($INC . "/sql.inc.php");
require_once($INC . "/repo.inc.php");
require_once($INC . "/prof.inc.php");

rg_prof_start('post-receive');

rg_log_set_file($rg_log_dir . "/hook_post-receive.log");

$namespace = getenv("GIT_NAMESPACE");
$repo_path = getenv("ROCKETGIT_REPO_PATH");

rg_log("Start namespace=$namespace repo_path=$repo_path");
rg_log("_SERVER: " . rg_array2string($_SERVER));

umask(0077);

while (($set = fgets(STDIN))) {
	$set = trim($set);
	if (empty($set))
		continue;

	$x = explode(' ', $set);
	$old_rev = @rg_git_rev($x[0]);
	$new_rev = @rg_git_rev($x[1]);
	$refname = @rg_git_reference($x[2]);
	if ($refname === FALSE)
		rg_git_fatal('Invalid reference: ' . rg_git_error() . '!');

	if (empty($refname) || empty($old_rev) || empty($new_rev))
		rg_git_fatal("Invalid parameters [$old_rev $new_rev $refname]!");

	rg_log("refname=$refname old_rev=$old_rev new_rev=$new_rev.");
}

$r = rg_del_tree($repo_path . '/refs/namespaces/' . $namespace);
if ($r === FALSE)
	rg_internal_error('cannot delete tree: ' . rg_util_error());

rg_prof_end('post-receive');
rg_prof_log();