From cf22be7996c5ce1643cefebcbe2049c525500f75 Mon Sep 17 00:00:00 2001
From: Alexandre Emsenhuber <ialex@users.mediawiki.org>
Date: Wed, 2 Apr 2008 10:47:50 +0000
Subject: [PATCH] (bug 13441) Allow Special:Recentchanges to show bots only

---
 RELEASE-NOTES                     |  1 +
 includes/SpecialRecentchanges.php | 19 ++++++++++++++-----
 2 files changed, 15 insertions(+), 5 deletions(-)

diff --git a/RELEASE-NOTES b/RELEASE-NOTES
index c67c32497b..a6046e8cc0 100644
--- a/RELEASE-NOTES
+++ b/RELEASE-NOTES
@@ -149,6 +149,7 @@ it from source control: http://www.mediawiki.org/wiki/Download_from_SVN
 * (bug 13554) PHP Notice in old pre-processor when list item is empty.
 * (bug 13556) Don't show a blank form if no image is attached in Special:Upload
 * (bug 13576) maintenance/rebuildrecentchanges.php fails
+* (bug 13441) Allow Special:Recentchanges to show bots only
 
 === API changes in 1.13 ===
 
diff --git a/includes/SpecialRecentchanges.php b/includes/SpecialRecentchanges.php
index 382833d181..22c92c52e1 100644
--- a/includes/SpecialRecentchanges.php
+++ b/includes/SpecialRecentchanges.php
@@ -132,16 +132,25 @@ function wfSpecialRecentchanges( $par, $specialPage ) {
 
 	# It makes no sense to hide both anons and logged-in users
 	# Where this occurs, force anons to be shown
-	if( $hideanons && $hideliu )
-		$hideanons = false;
+	$forcebot = false;
+	if( $hideanons && $hideliu ){
+		# Check if the user wants to show bots only
+		if( $hidebots ){
+			$hideanons = 0;
+		} else {
+			$forcebot = true;
+			$hidebots = 0;
+		}
+	}
 
 	# Form WHERE fragments for all the options
 	$hidem  = $hideminor ? 'AND rc_minor = 0' : '';
 	$hidem .= $hidebots ? ' AND rc_bot = 0' : '';
-	$hidem .= $hideliu ? ' AND rc_user = 0' : '';
+	$hidem .= $hideliu && !$forcebot ? ' AND rc_user = 0' : '';
 	$hidem .= ( ChangesList::usePatrol() && $hidepatrolled ) ? ' AND rc_patrolled = 0' : '';
-	$hidem .= $hideanons ? ' AND rc_user != 0' : '';
-	
+	$hidem .= $hideanons && !$forcebot ? ' AND rc_user != 0' : '';
+	$hidem .= $forcebot ? ' AND rc_bot = 1' : '';
+
 	if( $hidemyself ) {
 		if( $wgUser->getID() ) {
 			$hidem .= ' AND rc_user != ' . $wgUser->getID();
-- 
2.20.1