class ForkRemote
{
+ /**
+ * Contains error message when parse() failed
+ */
+ public $error;
+
protected $url;
+ /**
+ * Array with keys (URL title) and values (arrays of urls)
+ * Only supported URLs are included.
+ *
+ * @var array
+ */
+ protected $arGitUrls;
+
+
+
public function __construct($url)
{
- $this->url = $url;
+ $this->url = trim($url);
}
public function parse()
{
- $scheme = parse_url($this->url, PHP_URL_SCHEME);
+ if ($this->url == '') {
+ $this->error = 'Empty fork URL';
+ return false;
+ }
+
+ $arUrl = parse_url($this->url);
+ $scheme = isset($arUrl['scheme']) ? $arUrl['scheme'] : '';
+
+ if ($scheme == 'https' && isset($arUrl['host'])
+ && $arUrl['host'] == 'gist.github.com'
+ ) {
+ $this->arGitUrls[][] = 'git://gist.github.com/'
+ . ltrim($arUrl['path'], '/') . '.git';
+ return true;
+ }
+
switch ($scheme) {
case 'git':
//clearly a git url
- $this->gitUrl = $this->url;
+ $this->arGitUrls = array(array($this->url));
return true;
case 'ssh':
- //FIXME: maybe loosen this when we know how to skip the
+ //FIXME: maybe loosen this when we know how to skip the
//"do you trust this server" question of ssh
$this->error = 'ssh:// URLs are not supported';
return false;
protected function extractUrlsFromHtml($url)
{
+ //HTML is not necessarily well-formed, and Gitorious has many problems
+ // in this regard
+ //$sx = simplexml_load_file($url);
+ libxml_use_internal_errors(true);
+ $sx = simplexml_import_dom(\DomDocument::loadHtmlFile($url));
+ $elems = $sx->xpath('//*[@rel="vcs-git"]');
+
+ $count = $anonymous = 0;
+ foreach ($elems as $elem) {
+ if (!isset($elem['href'])) {
+ continue;
+ }
+ $str = (string)$elem;
+ if (isset($elem['title'])) {
+ //<link href=".." rel="vcs-git" title="title" />
+ $title = (string)$elem['title'];
+ } else if ($str != '') {
+ //<a href=".." rel="vcs-git">title</a>
+ $title = $str;
+ } else {
+ $title = 'Unnamed repository #' . ++$anonymous;
+ }
+ $url = (string)$elem['href'];
+ if ($this->isSupported($url)) {
+ ++$count;
+ $this->arGitUrls[$title][] = $url;
+ }
+ }
+
+ if ($count > 0) {
+ return true;
+ }
+
+ $this->error = 'No git:// clone URL found';
+ return false;
+ }
+
+ /**
+ * Iterate through all git urls and return one if there is only
+ * one supported one.
+ *
+ * @return mixed Boolean false or string
+ */
+ public function getUniqueGitUrl()
+ {
+ $nFound = 0;
+ foreach ($this->arGitUrls as $title => $arUrls) {
+ foreach ($arUrls as $url) {
+ $nFound++;
+ $uniqueUrl = $url;
+ }
+ }
+
+ if ($nFound == 1) {
+ return $uniqueUrl;
+ }
+ return false;
+ }
+
+ public function getGitUrls()
+ {
+ return $this->arGitUrls;
+ }
+
+ /**
+ * Get the URL from which the git URL was derived, often
+ * the HTTP URL.
+ *
+ * @return string
+ */
+ public function getUrl()
+ {
+ return $this->url;
+ }
+
+ public function setUrl($url)
+ {
+ $this->url = $url;
+ }
+
+ public function isSupported($url)
+ {
+ return parse_url($url, PHP_URL_SCHEME) == 'git';
}
}