Merge branch 'Wikidata' of ssh://gerrit.wikimedia.org:29418/mediawiki/core into Wikidata

[lhc/web/wiklou.git] / includes / GitInfo.php

diff --git a/includes/GitInfo.php b/includes/GitInfo.php
index 618ae94..4953965 100644 (file)
--- a/includes/GitInfo.php
+++ b/includes/GitInfo.php
@@ -20,6 +20,19 @@ class GitInfo {
         */
        protected $basedir;
 
+       /**
+        * Map of repo URLs to viewer URLs.
+        * Key is a pattern passed to preg_match() and preg_replace(),
+        * without the delimiters (which are #) and must match the whole URL.
+        * The value is the replacement for the key (it can contain $1, etc.)
+        * %h will be replaced by the short SHA-1 (7 first chars) and %H by the
+        * full SHA-1 of the HEAD revision.
+        */
+       protected $viewers = array(
+               'https://gerrit.wikimedia.org/r/p/(.*)' => 'https://gerrit.wikimedia.org/r/gitweb?p=$1;h=%H',
+               'ssh://(?:[a-z0-9_]+@)?gerrit.wikimedia.org:29418/(.*)' => 'https://gerrit.wikimedia.org/r/gitweb?p=$1;h=%H',
+       );
+
        /**
         * @param $dir The root directory of the repo where the .git dir can be found
         */
@@ -105,6 +118,55 @@ class GitInfo {
                }
        }
 
+       /**
+        * Get an URL to a web viewer link to the HEAD revision.
+        *
+        * @return string|false string if an URL is available or false otherwise.
+        */
+       public function getHeadViewUrl() {
+               $config = "{$this->basedir}/config";
+               if ( !is_readable( $config ) ) {
+                       return false;
+               }
+
+               $configArray = parse_ini_file( $config, true );
+               $remote = false;
+
+               // Use the "origin" remote repo if available or any other repo if not.
+               if ( isset( $configArray['remote origin'] ) ) {
+                       $remote = $configArray['remote origin'];
+               } else {
+                       foreach( $configArray as $sectionName => $sectionConf ) {
+                               if ( substr( $sectionName, 0, 6 ) == 'remote' ) {
+                                       $remote = $sectionConf;
+                               }
+                       }
+               }
+
+               if ( $remote === false || !isset( $remote['url'] ) ) {
+                       return false;
+               }
+
+               $url = $remote['url'];
+               if ( substr( $url, -4 ) !== '.git' ) {
+                       $url .= '.git';
+               }
+               foreach( $this->viewers as $repo => $viewer ) {
+                       $m = array();
+                       $pattern = '#^' . $repo . '$#';
+                       if ( preg_match( $pattern, $url ) ) {
+                               $viewerUrl = preg_replace( $pattern, $viewer, $url );
+                               $headSHA1 = $this->getHeadSHA1();
+                               $replacements = array(
+                                       '%h' => substr( $headSHA1, 0, 7 ),
+                                       '%H' => $headSHA1
+                               );
+                               return strtr( $viewerUrl, $replacements );
+                       }
+               }
+               return false;
+       }
+
        /**
         * @see self::getHeadSHA1
         */
@@ -119,4 +181,10 @@ class GitInfo {
                return self::repo()->getCurrentBranch();
        }
 
+       /**
+        * @see self::getHeadViewUrl()
+        */
+       public static function headViewUrl() {
+               return self::repo()->getHeadViewUrl();
+       }
 }