view mercurial/stack.py @ 46521:ebc6d3484fdd stable

re2: byteify some regex used to get check re2 availability

Changeset 687b865b95ad failed to properly byteify this because it was a raw
string. This went undetected so far because re2 does not seems to be widely
tested.

Differential Revision: https://phab.mercurial-scm.org/D10064

# 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