Merge "Add oldRev parameter to DiffRevisionTools hook"

diff --git a/docs/hooks.txt b/docs/hooks.txt
index f758d25..cfee2eb 100644 (file)
--- a/docs/hooks.txt
+++ b/docs/hooks.txt
@@ -908,8 +908,9 @@ $new: the ?new= param value from the url
 
 'DiffRevisionTools': Override or extend the revision tools available from the
 diff view, i.e. undo, etc.
-$rev: Revision object
+$newRev: Revision object of the "new" revision
 &$links: Array of HTML links
+$oldRev: Revision object of the "old" revision (may be null)
 
 'DiffViewHeader': Called before diff display
 $diff: DifferenceEngine object that's calling

diff --git a/includes/diff/DifferenceEngine.php b/includes/diff/DifferenceEngine.php
index b7601e9..8cfae33 100644 (file)
--- a/includes/diff/DifferenceEngine.php
+++ b/includes/diff/DifferenceEngine.php
@@ -381,7 +381,7 @@ class DifferenceEngine extends ContextSource {
                $rdel = $this->revisionDeleteLink( $this->mNewRev );
 
                # Allow extensions to define their own revision tools
-               wfRunHooks( 'DiffRevisionTools', array( $this->mNewRev, &$revisionTools ) );
+               wfRunHooks( 'DiffRevisionTools', array( $this->mNewRev, &$revisionTools, $this->mOldRev ) );
                $formattedRevisionTools = array();
                // Put each one in parentheses (poor man's button)
                foreach ( $revisionTools as $tool ) {