view mercurial/stack.py @ 44061:cbc5755df6bf

sslutil: migrate to hashutil.sha1 instead of hashlib.sha1

This is a straight-line replacement like the others, but I split it
out since it's used in a network context and I'm not sure this is
appropriate (we should probably drop support for sha1
fingerprints over TLS) and wanted this to be easily dropped.

Differential Revision: https://phab.mercurial-scm.org/D7850

# 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