bundle2: gracefully skip 'obsmarkers' part if evolution is disabled
We would skip the part if it was fully unknown, so we should also skip it if we
know we won't be able to apply it. This will allow us to produce bundles with
obsolescence markers alongside changegroup while still being able to apply them
on any client.
--- a/mercurial/bundle2.py Thu Oct 15 12:45:34 2015 +0100
+++ b/mercurial/bundle2.py Thu Oct 15 03:29:00 2015 +0100
@@ -1481,6 +1481,11 @@
if op.ui.config('experimental', 'obsmarkers-exchange-debug', False):
op.ui.write(('obsmarker-exchange: %i bytes received\n')
% len(markerdata))
+ # The mergemarkers call will crash if marker creation is not enabled.
+ # we want to avoid this if the part is advisory.
+ if not inpart.mandatory and op.repo.obsstore.readonly:
+ op.repo.ui.debug('ignoring obsolescence markers, feature not enabled')
+ return
new = op.repo.obsstore.mergemarkers(tr, markerdata)
if new:
op.repo.ui.status(_('%i new obsolescence markers\n') % new)