From 853b9bb141952acf78086513cfaafb7e1a6d1cbb Mon Sep 17 00:00:00 2001
From: Tim Starling <tstarling@users.mediawiki.org>
Date: Sat, 3 Jan 2009 00:17:23 +0000
Subject: [PATCH] Gracefully skip clusters that don't have the wiki in question

---
 maintenance/storage/trackBlobs.php | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/maintenance/storage/trackBlobs.php b/maintenance/storage/trackBlobs.php
index 1b95b21e4d..b13faa003a 100644
--- a/maintenance/storage/trackBlobs.php
+++ b/maintenance/storage/trackBlobs.php
@@ -249,7 +249,16 @@ class TrackBlobs {
 		foreach ( $this->clusters as $cluster ) {
 			echo "Searching for orphan blobs in $cluster...\n";
 			$lb = wfGetLBFactory()->getExternalLB( $cluster );
-			$extDB = $lb->getConnection( DB_SLAVE );
+			try {
+				$extDB = $lb->getConnection( DB_SLAVE );
+			} catch ( DBConnectionError $e ) {
+				if ( strpos( $e->error, 'Unknown database' ) !== false ) {
+					echo "No database on $cluster\n";
+				} else {
+					echo "Error on $cluster: " . $e->getMessage() . "\n";
+				}
+				continue;
+			}
 			$startId = 0;
 			$batchesDone = 0;
 			$actualBlobs = gmp_init( 0 );
-- 
2.20.1