Disallow 'chromium-os:' in BUG field.

The chromium-os tracker is disallowed in favor of the chromium tracker.

BUG=chromium:226095
TEST=Try out the hook with valid and invalid commit messages.
Change-Id: I2b3b1531c9a4302b39170cc956d6a781f06d63f7
Reviewed-on: https://gerrit.chromium.org/gerrit/47238
Tested-by: David James <davidjames@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Don Garrett <dgarrett@chromium.org>
Commit-Queue: David James <davidjames@chromium.org>
1 file changed