Master is currently broken, because it needs a schema change, but applying the schema change doesn't work:
Adding ug_expiry field to table user_groups ...
Fatal error: Uncaught exception 'DBQueryError' with message 'A database query error has occurred. Did you forget to run your application's database schema updater after upgrading?
Query: ALTER TABLE `bw_user_groups`
DROP INDEX ug_user_group,
ADD PRIMARY KEY (ug_user, ug_group),
ADD COLUMN ug_expiry varbinary(14) NULL default NULL,
ADD INDEX ug_expiry (ug_expiry)
Function: Database::sourceFile( /srv/mediawiki/workdir/maintenance/archives/patch-user_groups-ug_expiry.sql )
Error: 1091 Can't DROP 'ug_user_group'; check that column/key exists (127.0.0.1:3306)
' in /srv/mediawiki/workdir/includes/libs/rdbms/database/Database.php:1055
Stack trace:
#0 /srv/mediawiki/workdir/includes/libs/rdbms/database/Database.php(913): Database->reportQueryError()
#1 /srv/mediawiki/workdir/includes/libs/rdbms/database/Database.php(3121): Database->query()
#2 /srv/mediawiki/workdir/includes/libs/rdbms/database/Database.php(3070): Database->sourceStream()
#3 /srv/mediawiki/workdir/includes/installer/DatabaseUpdater.php(666): Database->sourceFile()
#4 /srv/mediawiki/workdir/includes/installer/DatabaseUpdater.php(734): DatabaseUpdater->applyPatch()
#5 /srv/mediawiki/workdir/includes/installer/DatabaseUpdater.php(465): DatabaseUpdater->addField()
#6 /srv/mediawiki/workdir/includes/installer/DatabaseUpdater.php(429): DatabaseUpdater->runUpdates()
#7 /srv/mediawiki/workdir/maintenance/update.php(172): DatabaseUpdater->doUpdates()
#8 /srv/mediawiki/workdir/maintenance/doMaintenance.php(119): UpdateMediaWiki->execute()
#9 /srv/mediawiki/workdir/maintenance/update.php(217): include()
#10 {main}