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@ajsb85
Forked from webjay/gh_hook.php
Created May 8, 2014 20:35
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<?php
ignore_user_abort(true);
function syscall ($cmd, $cwd) {
$descriptorspec = array(
1 => array('pipe', 'w'), // stdout is a pipe that the child will write to
2 => array('pipe', 'w') // stderr
);
$resource = proc_open($cmd, $descriptorspec, $pipes, $cwd);
if (is_resource($resource)) {
$output = stream_get_contents($pipes[2]);
$output .= PHP_EOL;
$output .= stream_get_contents($pipes[1]);
$output .= PHP_EOL;
fclose($pipes[1]);
fclose($pipes[2]);
proc_close($resource);
return $output;
}
}
function git_current_branch ($cwd) {
$result = syscall('git branch', $cwd);
if (preg_match('/\\* (.*)/', $result, $matches)) {
return $matches[1];
}
}
// make sure the request is coming from GitHub
// https://help.github.com/articles/what-ip-addresses-does-github-use-that-i-should-whitelist
/*
$gh_ips = array('207.97.227.253', '50.57.128.197', '108.171.174.178');
if (in_array($_SERVER['REMOTE_ADDR'], $gh_ips) === false) {
header('Status: 403 Your IP is not on our list; bugger off', true, 403);
mail('root', 'GitHub hook error: bad ip', $_SERVER['REMOTE_ADDR']);
exit();
}
*/
// cd ..
// $cwd = dirname(__DIR__);
// GitHub will hit us with POST (http://help.github.com/post-receive-hooks/)
if (!empty($_POST['payload'])) {
$payload = json_decode($_POST['payload']);
// which branch was committed?
$branch = substr($payload->ref, strrpos($payload->ref, '/') + 1);
// If your website directories have the same name as your repository this would work.
$repository = $payload->repository->name;
$cwd = '/var/www/'.$repository;
// only pull if we are on the same branch
if ($branch == git_current_branch($cwd)) {
// pull from $branch
$cmd = sprintf('git pull origin %s', $branch);
$result = syscall($cmd, $cwd);
$output = '';
// append commits
foreach ($payload->commits as $commit) {
$output .= $commit->author->name.' a.k.a. '.$commit->author->username;
$output .= PHP_EOL;
foreach (array('added', 'modified', 'removed') as $action) {
if (count($commit->{$action})) {
$output .= sprintf('%s: %s; ', $action, implode(',', $commit->{$action}));
}
}
$output .= PHP_EOL;
$output .= sprintf('because: %s', $commit->message);
$output .= PHP_EOL;
$output .= $commit->url;
$output .= PHP_EOL;
}
// append git result
$output .= PHP_EOL;
$output .= $result;
// send us the output
mail('root', 'GitHub hook `'.$cmd.'` result', $output);
// if you use APC, especially if you use apc.stat=0, we should clear APC
// if (apc_clear_cache('opcode') == false || apc_clear_cache('user') == false) {
// mail('root', 'Unable to apc_clear_cache', '');
// }
}
}
?>
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