view mercurial/stack.py @ 48182:01c3dd208c75

rust: Make the hg-cpython crate default to Python 3

This default is used when running `cargo` manually such as for `cargo test`.
`setup.py` and `Makefile` both configure the Python major version explicitly.

Differential Revision: https://phab.mercurial-scm.org/D11618

# stack.py - Mercurial functions for stack definition
#
#  Copyright Olivia 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