view hgext3rd/topic/compat.py @ 3629:f23946bf6625

evolve: move logic to complete interrupted orphan resolution to new fn

This patch moves logic which completes an interrupted orphan resolution to it's
own new function. We will defining such functions for completing
phase-divergence and content-divergence too.

# Copyright 2017 FUJIWARA Katsunori <[e-mail]>
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.
"""
Compatibility module
"""
from __future__ import absolute_import

import functools

from mercurial import (
    obsolete,
    scmutil,
    util,
)

getmarkers = None
successorssets = None
try:
    from mercurial import obsutil
    getmarkers = getattr(obsutil, 'getmarkers', None)
    successorssets = getattr(obsutil, 'successorssets', None)
except ImportError:
    pass

if getmarkers is None:
    getmarkers = obsolete.getmarkers
if successorssets is None:
    successorssets = obsolete.successorssets

# Wrap obsolete.creatmarkers and make it accept but ignore "operation" argument
# for hg < 4.3
createmarkers = obsolete.createmarkers
originalcreatemarkers = createmarkers
while isinstance(originalcreatemarkers, functools.partial):
    originalcreatemarkers = originalcreatemarkers.func
if originalcreatemarkers.__code__.co_argcount < 6:
    def createmarkers(repo, relations, flag=0, date=None, metadata=None,
                      operation=None):
        return obsolete.createmarkers(repo, relations, flag, date, metadata)

def startpager(ui, cmd):
    """function to start a pager in case ui.pager() exists"""
    try:
        ui.pager(cmd)
    except AttributeError:
        pass

def cleanupnodes(repo, replacements, operation, moves=None):
    # create obsmarkers and move bookmarks
    # XXX we should be creating marker as we go instead of only at the end,
    # this makes the operations more modulars
    if util.safehasattr(scmutil, 'cleanupnodes'):
        scmutil.cleanupnodes(repo, replacements, 'changetopics',
                             moves=moves)
    else:
        relations = [(repo[o], tuple(repo[n] for n in new))
                     for (o, new) in replacements.iteritems()]
        createmarkers(repo, relations, operation=operation)