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#!/usr/bin/env php
<?php
/**
*
* @package phpBB3
* @copyright (c) 2011 phpBB Group
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
*
*/
function show_usage()
{
$filename = basename(__FILE__);
echo "$filename merges a github pull request.\n";
echo "\n";
echo "Usage: [php] $filename -p pull_request_id [OPTIONS]\n";
echo "\n";
echo "Options:\n";
echo " -p pull_request_id The pull request id to be merged (mandatory)\n";
echo " -r remote Remote of upstream, defaults to 'upstream' (optional)\n";
echo " -d Outputs the commands instead of running them (optional)\n";
echo " -h This help text\n";
exit(2);
}
// Handle arguments
$opts = getopt('p:r:dh');
if (empty($opts) || isset($opts['h']))
{
show_usage();
}
$pull_id = get_arg($opts, 'p', '');
$remote = get_arg($opts, 'r', 'upstream');
$dry_run = !get_arg($opts, 'd', true);
try
{
exit(work($pull_id, $remote));
}
catch (RuntimeException $e)
{
echo $e->getMessage();
exit($e->getCode());
}
function work($pull_id, $remote)
{
// Get some basic data
$pull = get_pull('phpbb', 'phpbb3', $pull_id);
if (!$pull_id)
{
show_usage();
}
if ($pull['state'] != 'open')
{
throw new RuntimeException(sprintf("Error: pull request is closed\n",
$target_branch), 5);
}
$pull_user = $pull['head'][0];
$pull_branch = $pull['head'][1];
$target_branch = $pull['base'][1];
switch ($target_branch)
{
case 'develop-olympus':
run("git checkout develop-olympus");
run("git pull $remote develop-olympus");
add_remote($pull_user, 'phpbb3');
run("git fetch $pull_user");
run("git merge --no-ff $pull_user/$pull_branch");
run("phpunit");
run("git checkout develop");
run("git pull $remote develop");
run("git merge --no-ff develop-olympus");
run("phpunit");
break;
case 'develop':
run("git checkout develop");
run("git pull $remote develop");
add_remote($pull_user, 'phpbb3');
run("git fetch $pull_user");
run("git merge --no-ff $pull_user/$pull_branch");
run("phpunit");
break;
default:
throw new RuntimeException(sprintf("Error: pull request target branch '%s' is not a main branch\n",
$target_branch), 5);
break;
}
}
function add_remote($username, $repository, $pushable = false)
{
$url = get_repository_url($username, $repository, false);
run("git remote add $username $url", true);
if ($pushable)
{
$ssh_url = get_repository_url($username, $repository, true);
run("git remote set-url --push $username $ssh_url");
}
}
function get_repository_url($username, $repository, $ssh = false)
{
$url_base = ($ssh) ? 'git@github.com:' : 'git://github.com/';
return $url_base . $username . '/' . $repository . '.git';
}
function api_request($query)
{
$contents = file_get_contents("http://github.com/api/v2/json/$query");
if ($contents === false)
{
throw new RuntimeException("Error: failed to retrieve pull request data\n", 4);
}
return json_decode($contents);
}
function get_pull($username, $repository, $pull_id)
{
$request = api_request("pulls/$username/$repository/$pull_id");
$pull = $request->pull;
$pull_data = array(
'base' => array($pull->base->user->login, $pull->base->ref),
'head' => array($pull->head->user->login, $pull->head->ref),
'state' => $pull->state,
);
return $pull_data;
}
function get_arg($array, $index, $default)
{
return isset($array[$index]) ? $array[$index] : $default;
}
function run($cmd, $ignore_fail = false)
{
global $dry_run;
if (!empty($dry_run))
{
echo "$cmd\n";
}
else
{
passthru(escapeshellcmd($cmd), $status);
if ($status != 0 && !$ignore_fail)
{
throw new RuntimeException(sprintf("Error: command '%s' failed with status %s'\n",
$cmd, $status), 6);
}
}
}
|
