revlog: add a way to keep track of older uids in the docket
When the revlog content is rewritten, we will use new files, to avoid truncating
the previous ones. We need some way to keep track of the older files before we
clean them up.
Differential Revision: https://phab.mercurial-scm.org/D10866
# Copyright 2020 Joerg Sonnenberger <joerg@bec.de>
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.
"""enforce_draft_commits us a hook to ensure that all new changesets are
in the draft phase. This allows enforcing policies for work-in-progress
changes in overlay repositories, i.e. a shared hidden repositories with
different views for work-in-progress code and public history.
Usage:
[hooks]
pretxnclose-phase.enforce_draft_commits = \
python:hgext.hooklib.enforce_draft_commits.hook
"""
from __future__ import absolute_import
from mercurial.i18n import _
from mercurial import (
error,
pycompat,
)
def hook(ui, repo, hooktype, node=None, **kwargs):
if hooktype != b"pretxnclose-phase":
raise error.Abort(
_(b'Unsupported hook type %r') % pycompat.bytestr(hooktype)
)
ctx = repo.unfiltered()[node]
if kwargs['oldphase']:
raise error.Abort(
_(b'Phase change from %r to %r for %s rejected')
% (
pycompat.bytestr(kwargs['oldphase']),
pycompat.bytestr(kwargs['phase']),
ctx,
)
)
elif kwargs['phase'] != b'draft':
raise error.Abort(
_(b'New changeset %s in phase %r rejected')
% (ctx, pycompat.bytestr(kwargs['phase']))
)