The uncontroversial Liquid Threads hooks.

The hook SkinTemplateTabAction got left in from a previous attempted commit, but the documentation is added in this commit. The other new hooks here are ChangesListInsertArticleLink, MediaWikiPerformAction, and BeforeWatchlist.

RELEASE-NOTES

@@ -49,6 +49,12 @@ it from source control: http://www.mediawiki.org/wiki/Download_from_SVN
 * LogLine hook added to allow formatting custom entries in Special:Log.
 * Support for Iranian calendar
 * (bug 1401) Allow hiding logged-in users, bots and patrolled pages on Special:Newpages
+* ChangesListInsertArticleLink hook added for adding extra article info to RC.
+* MediaWikiPerformAction hook added for diverting control after the main
+  globals have been set up but before any actions have been taken.
+* BeforeWatchlist hook added for filtering or replacing watchlist.
+* SkinTemplateTabAction hook added for altering the properties of tab links.
+* OutputPage::getRedirect public method added.
 
 === Bug fixes in 1.12 ===
 

docs/hooks.txt

@@ -385,6 +385,13 @@ $out: OutputPage object
 &$parser: Parser object
 &$ig: ImageGallery object
 
+'BeforeWatchlist': Override watchlist display or add extra SQL clauses.
+$nondefaults: Assoc array with the following keys:
+              days, hideOwn, hideBots, hideMinor, namespace
+$wgUser: wgUser.
+&$hookSql: a string which will be inserted without sanitation into the SQL query
+           used to get the watchlist, at the end of the WHERE part.
+
 'BlockIp': before an IP address or user is blocked
 $block: the Block object about to be saved
 $user: the user _doing_ the block (not the one being blocked)
@@ -400,6 +407,14 @@ $output: OutputPage object in use
 'CategoryPageView': before viewing a categorypage in CategoryPage::view
 $catpage: CategoryPage instance
 
+'ChangesListInsertArticleLink': Override or augment link to article in RC list.
+&$this:        ChangesList instance.
+&$articlelink: HTML of link to article (already filled-in).
+&$s:           HTML of row that is being constructed.
+&$rc:          RecentChange instance.
+$unpatrolled:  Whether or not we are showing unpatrolled changes.
+$watched:      Whether or not the change is watched by the user.
+
 'ContributionsToolLinks': Change tool links above Special:Contributions
 $id: User identifier
 $title: User page title
@@ -580,6 +595,15 @@ $mathRenderer: instance of MathRenderer
 $errmsg: error message, in HTML (string). Nonempty indicates failure
  of rendering the formula
 
+'MediaWikiPerformAction': Override MediaWiki::performAction().
+       Use this to do something completely different, after the basic
+       globals have been set up, but before ordinary actions take place.
+$output:  $wgOut
+$article: $wgArticle
+$title:   $wgTitle
+$user:    $wgUser
+$request: $wgRequest
+
 'OutputPageBeforeHTML': a page has been processed by the parser and
 the resulting HTML is about to be displayed.  
 $parserOutput: the parserOutput (object) that corresponds to the page 
@@ -671,6 +695,18 @@ for an example]
 &$sktemplate: SkinTemplate object
 &$tpl: Template engine object
 
+'SkinTemplateTabAction': Override SkinTemplate::tabAction().
+       You can either create your own array, or alter the parameters for the normal one.
+&$this:     The SkinTemplate instance.
+$title:     Title instance for the page.
+$message:   Visible label of tab.
+$selected:  Whether this is a selected tab.
+$checkEdit: Whether or not the action=edit query should be added if appropriate.
+&$classes:  Array of CSS classes to apply.
+&$query:    Query string to add to link.
+&$text:     Link text.
+&$result:   Complete assoc. array if you want to return true.
+
 'SpecialContributionsBeforeMainOutput': Before the form on Special:Contributions
 $id: User identifier
 

includes/ChangesList.php

@@ -176,6 +176,9 @@ class ChangesList {
 		global $wgContLang;
 		$articlelink .= $wgContLang->getDirMark();
 
+		wfRunHooks('ChangesListInsertArticleLink',
+			array(&$this, &$articlelink, &$s, &$rc, $unpatrolled, $watched));
+		
 		$s .= ' '.$articlelink;
 	}
 

includes/OutputPage.php

@@ -63,6 +63,10 @@ class OutputPage {
 		$this->mRedirect = str_replace( "\n", '', $url );
 		$this->mRedirectCode = $responsecode;
 	}
+	
+	public function getRedirect() {
+		return $this->mRedirect;
+	}
 
 	/**
 	 * Set the HTTP status code to send with the output.

includes/SpecialWatchlist.php

@@ -122,6 +122,11 @@ function wfSpecialWatchlist( $par ) {
 	wfAppendToArrayIfNotDefault( 'hideMinor', (int)$hideMinor, $defaults, $nondefaults );
 	wfAppendToArrayIfNotDefault('namespace', $nameSpace    , $defaults, $nondefaults);
 
+	$hookSql = "";
+	if( ! wfRunHooks('BeforeWatchlist', array($nondefaults, $wgUser, &$hookSql)) ) {
+		return;
+	}
+
 	if ( $days <= 0 ) {
 		$andcutoff = '';
 	} else {
@@ -193,6 +198,7 @@ function wfSpecialWatchlist( $par ) {
 	  $andHideBots
 	  $andHideMinor
 	  $nameSpaceClause
+	  $hookSql
 	  ORDER BY rc_timestamp DESC
 	  $limitWatchlist";
 

includes/Wiki.php

@@ -371,6 +371,11 @@ class MediaWiki {
 
 		wfProfileIn( 'MediaWiki::performAction' );
 
+		if ( !wfRunHooks('MediaWikiPerformAction', array($output, $article, $title, $user, $request)) ) {
+			wfProfileOut( 'MediaWiki::performAction' );
+			return;
+		}
+
 		$action = $this->getVal('Action');
 		if( in_array( $action, $this->getVal('DisabledActions',array()) ) ) {
 			/* No such action; this will switch to the default case */