mercurial/stack.py
author Yuya Nishihara <yuya@tcha.org>
Mon, 09 Apr 2018 20:44:41 +0900
changeset 37566 f53b55b162f4
parent 37004 68fcc5503ec5
child 42698 77c52ce50e6a
permissions -rw-r--r--
py3: get rid of character access from pure.diffhelpers 's' is a result of readline(), so 'c == "\n"' means 's == "\n"'.

# 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