grab: gracefully handle the case when we try to grab parent of wdir
Before this patch, we go all the way down to obsmarker creation logic and gets
an error saying that changeset cannot obsolete itself. We should be more smart
here and error out early saying we cannot grab that changeset.
# Extension which prevent changeset to be turn public by push operation
#
# Copyright 2011 Logilab SA <contact@logilab.fr>
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.
from mercurial import extensions, util
from mercurial import discovery
def checkpublish(orig, repo, remote, outgoing, *args):
# is remote publishing?
publish = True
if 'phases' in remote.listkeys('namespaces'):
remotephases = remote.listkeys('phases')
publish = remotephases.get('publishing', False)
npublish = 0
if publish:
for rev in outgoing.missing:
if repo[rev].phase():
npublish += 1
if npublish:
repo.ui.warn("Push would publish %s changesets" % npublish)
ret = orig(repo, remote, outgoing, *args)
if npublish:
raise util.Abort("Publishing push forbidden",
hint="Use `hg phase -p <rev>` to manually publish them")
return ret
def uisetup(ui):
extensions.wrapfunction(discovery, 'checkheads', checkpublish)