comparison hgext3rd/topic/compat.py @ 3094:e11e018e8338 stable

compat: add an abstraction for 'scmutil.cleanupnodes'

The usage of the function was added in 103244e34a9c but is not compatible with
Mercurial <= 4.2.

3093:9c04bd928056

"""
Compatibility module
"""
from __future__ import absolute_import

from mercurial import obsolete

getmarkers = None
successorssets = None
try:
    from mercurial import obsutil

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

3094:e11e018e8338

"""
Compatibility module
"""
from __future__ import absolute_import

from mercurial import (
    obsolete,
    scmutil,
    util,
)

getmarkers = None
successorssets = None
try:
    from mercurial import obsutil

    """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()]
        obsolete.createmarkers(repo, relations)