<?php

$bundleName = "ImageOptim";

$baseURL = dirname(readKey('SUFeedURL'));

$minOSVersion = "10.8";

$exactVersion = readKey('CFBundleVersion');

$niceVersion = readKey('CFBundleShortVersionString');

if (!$niceVersion) $niceVersion = $exactVersion;

$download_url = "$baseURL/$bundleName$niceVersion.tar.bz2";

$archivepath = exec('xcodebuild -project ImageOptim.xcodeproj/ -showBuildSettings 2>/dev/null | fgrep TARGET_BUILD_DIR | awk \'{print $3}\'') . "/$bundleName.tar.bz2";

$pempath = getenv("HOME")."/.ssh/dsa_priv_imageoptim.pem";

$appcastpath = rawurldecode(basename(readKey('SUFeedURL')));

const SPARKLE_NS = "http://www.andymatuschak.org/xml-namespaces/sparkle";

if (!file_exists($archivepath)) throw new Exception("Can't find $archivepath");

$feed = new DOMDocument;

if (!$feed->load($appcastpath)) {

throw new Exception("can't load $appcastpath");

}

$xp = new DOMXPath($feed);

$xp->registerNamespace("sparkle",SPARKLE_NS);

$item = $xp->query("//item[enclosure/@sparkle:version='$exactVersion']")->item(0);

if (!$item)

{

$item = getElement($feed->getElementsByTagName('channel')->item(0),"item");

newline($item);

}

setText(getElement($item, "title"), "Version $niceVersion");

setText(getElement($item, "pubDate"), date(DATE_RSS));

setText(getElement($item, "sparkle:minimumSystemVersion", SPARKLE_NS), $minOSVersion);

getElement($item, "description");

$enc = getElement($item, "enclosure");

$enc->setAttributeNS(SPARKLE_NS, "sparkle:version", $exactVersion);

$enc->setAttribute("url", $download_url);

$enc->setAttribute("length", filesize($archivepath));

$enc->setAttributeNS(SPARKLE_NS, "sparkle:dsaSignature", signUpdate($archivepath, $pempath));

file_put_contents($appcastpath, $feed->saveXML());

function readKey($name)

{

$plistpath = realpath('Info.plist');

$domain = preg_replace('/\.plist$/','',$plistpath);

return system("defaults read ".escapeshellarg($domain)." ".escapeshellarg($name));

}

function getElement(DOMElement $parent, $tagname, $ns = NULL)

{

if ($ns !== NULL) $el = $parent->getElementsByTagNameNS($ns, preg_replace('/^.*:/','',$tagname))->item(0);

else $el = $parent->getElementsByTagName($tagname)->item(0);

if (!$el)

{

$el = $parent->ownerDocument->createElementNS($ns, $tagname);

$parent->appendChild($el);

newline($parent);

}

return $el;

}

function newline(DOMElement $parent)

{

$parent->appendChild($parent->ownerDocument->createTextNode("\n"));

}

function setText(DOMElement $el, $textcontent)

{

while($el->firstChild) $el->removeChild($el->firstChild);

if (strlen($textcontent))

{

$el->appendChild($el->ownerDocument->createTextNode($textcontent));

}

}

function signUpdate($archivepath, $pempath)

{

return system("ruby sign_update.rb ".escapeshellarg($archivepath)." ".escapeshellarg($pempath));

}