mercurial/stack.py
author rdamazio@google.com
Mon, 10 Dec 2018 17:49:51 -0800
changeset 53699 4e17679c336bc38709c32d9b8972f0e402e0057a
parent 44322 68fcc5503ec55bda2d6be2887f8fc3f61000c666
permissions -rw-r--r--
remotefilelog: accepting a None node to cmp In context.py, basefilectx.cmp explicitly calls it with None, so it has to be supported. Specifically, this breaks "hg absorb -i" currently. Differential Revision: https://phab.mercurial-scm.org/D5409

# 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

from . import (
    revsetlang,
    scmutil,
)

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 = '.'

    revspec = 'reverse(only(%s) and not public() and not ::merge())'
    revset = revsetlang.formatspec(revspec, rev)
    revisions = scmutil.revrange(repo, [revset])
    revisions.sort()
    return revisions