poll2.php

<?php

require_once '/var/lib/jenkins/github/lib/Github/Autoloader.php';

Github_Autoloader::register();

$github = new Github_Client();

$account = "kohana";
$repos   = array("kohana", "core", "auth", "cache", "codebench", "database", "image", "orm", "unittest", "userguide", "minion");

$username = "Kohana-Builds";
$secret   = "XXX";

$branches = array(
	"3.1/develop" => array(
		'trigger_url' => 'http://ci.kohanaframework.org/job/kohana-3.1-pull/buildWithParameters?token=XXX&GITHUB_TOKEN='.$secret.'&GITHUB_USERNAME='.$username.'&GITHUB_ACCOUNT='.$account.'&',
	),
	"3.2/develop" => array(
		'trigger_url' => 'http://ci.kohanaframework.org/job/kohana-3.2-pull/buildWithParameters?token=XXX&GITHUB_TOKEN='.$secret.'&GITHUB_USERNAME='.$username.'&GITHUB_ACCOUNT='.$account.'&',
	),
	"3.3/develop" => array(
		'trigger_url' => 'http://ci.kohanaframework.org/job/kohana-3.3-pull/buildWithParameters?token=XXX&GITHUB_TOKEN='.$secret.'&GITHUB_USERNAME='.$username.'&GITHUB_ACCOUNT='.$account.'&',
	),
);

foreach ($repos as $repo)
{
	try
	{
		$pulls = $github->getPullRequestApi()->listPullRequests($account, $repo, 'open');
	}
	catch (Exception $e)
	{
		echo "Failed to list pull requests. $repo".$e->getMessage()."\n";
		sleep(20);
		continue;
	}

	try
	{
		foreach ($pulls as $pull)
		{
			try
			{
				$pull = $github->getPullRequestApi()->show($account, $repo, $pull['number']);
			}
			catch (Exception $e)
			{
				echo "Failed to show pull request. $repo / ".$pull['number']." ".$e->getMessage()."\n";
				sleep(5);
				continue;
			}

			$needs_testing = TRUE;

			foreach ($pull["discussion"] as $comment)
			{
				if ($comment["type"] == "Commit")
				{
					$needs_testing = TRUE;
				}
				elseif ($comment["type"] == "IssueComment")
				{
					if ($comment["user"]["login"] == $username)
					{
						$needs_testing = FALSE;
					}

					// Allow builds to be forced
					if (strpos($comment["body"], "!build") !== FALSE)
					{
						$needs_testing = TRUE;
					}
				}
			}

			if ($needs_testing)
			{

				if ( ! array_key_exists($pull["base"]["ref"], $branches))
				{
					comment_on_pull($account, $repo, $pull['number'], "Pull request is targeted towards an invalid branch (".$pull["base"]["ref"]."). Usually, this means you have targeted the master, rather than develop branch. Please correct this and try again. Thanks!");
					close_issue($account, $repo, $pull['number']);
				}
				elseif ( ! $pull["mergeable"])
				{
					echo "Pull request ".$account."/".$repo."/".$pull['number']." is not mergeable, skipping comment due to github API weirdness.\n";
//					comment_on_pull($account, $repo, $pull['number'], "Pull request is no longer mergeable. Please update the pull request (if it is still relevant). Thanks :)");
				}
				else
				{
					comment_on_pull($account, $repo, $pull['number'], "Build Scheduled");
					trigger_build($account, $repo, $pull["base"]["ref"], $pull['number']);
				}
			}

			sleep(0.2);
		}
	}
	catch (Exception $e)
	{
		sleep(5);
		echo "Uncaught Exception. $repo / ".$pull['number']." : ".$e->getMessage()."\n";
	}
}

function close_issue($account, $repo, $number)
{
	// Eww.. Whatever, this enture thing is eww.
	global $username, $secret, $github;

	echo "Closing pull request $account / $repo / $number\n";

	$github->authenticate($username, $secret);
	$github->getIssueApi()->close($account, $repo, $number);
}

function comment_on_pull($account, $repo, $number, $message)
{
	// Eww.. Again? Really :'(
	global $username, $secret, $github;

	echo "Commenting on pull request $account / $repo / $number : ".$message."\n";

	$github->authenticate($username, $secret);
	$github->getIssueApi()->addComment($account, $repo, $number, $message);
}

function trigger_build($account, $repo, $branch, $number)
{
	// Okay, I give up. I can't hide it anymore, I <3 globals.
	global $branches;

	echo "Triggering build $account / $repo / $number\n";

	$url = $branches[$branch]['trigger_url'].'GITHUB_PULL_MODULE='.$repo.'&GITHUB_PULL_NUMBER='.$number;
	file_get_contents($url);
}