Summary: Reported at https://phabricator.wikimedia.org/T430097

Test Plan: Ideally one would setup a subversion repo and trigger this somehow but that's too much work so just read the file.

Reviewers: O1 Blessed Committers, aklapper

Reviewed By: O1 Blessed Committers, aklapper

Subscribers: aklapper, tobiaswiese, valerio.bozzolan, Matthew, Cigaryno

Differential Revision: https://we.phorge.it/D27082