view mercurial/stack.py @ 44479:7518ea76eff4

git: add readfast() method to manifest

Mysteriously, on a different system a handful of things don't work
without this, including log. This is especially odd to be because log
works in the test. In any event, it's legal for readfast() to just
return read(), so that's what we do.

Differential Revision: https://phab.mercurial-scm.org/D8262

# stack.py - Mercurial functions for stack definition
#
#  Copyright Matt Mackall <[e-mail]> 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