branchmap: micro-optimize branchinfo
changelogrevision() is supposed to be used if not all data of
changelog.read is used. This is the case here as only the extra field is
used. This also improves extensibility as at least hgext.git doesn't
implement changelog.read.
Differential Revision: https://phab.mercurial-scm.org/D9626
# stack.py - Mercurial functions for stack definition
#
# Copyright Matt Mackall <mpm@selenic.com> and other
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.
from __future__ import absolute_import
def getstack(repo, rev=None):
"""return a sorted smartrev of the stack containing either rev if it is
not None or the current working directory parent.
The stack will always contain all drafts changesets which are ancestors to
the revision and are not merges.
"""
if rev is None:
rev = b'.'
revspec = b'only(%s) and not public() and not ::merge()'
revisions = repo.revs(revspec, rev)
revisions.sort()
return revisions