view mercurial/stack.py @ 47395:a669404f0f4a

revlog: add a function to build index entry tuple

Keeping index entry as tuple make sense for performance reason, however it does
not means we need to manually build that tuple for all piece of python code that
are not performance critical.

So we add a nice function responsible to build the tuple using argument using
explicit keyword argument.

Differential Revision: https://phab.mercurial-scm.org/D10793

# 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