Right now the MediaWiki deploy servers (e.g., deploy1002) are included in /etc/dsh/group/mediawiki-installation. This means deploy servers have both /srv/mediawiki-staging and /srv/mediawiki directories. This can result in confusion of the type described in T253547.
Proposal:
- Exclude the deploy servers from /etc/dsh/group/mediawiki-installation.
- On deploy servers: Move existing the /srv/mediawiki directory out of the way and make it a symlink to /srv/mediawiki-staging