import mercurial

from mercurial import demandimport

# patch demandimport, due to bug in mercurial when it always triggers demandimport.enable()

demandimport.enable = lambda *args, **kwargs: 1

from mercurial import archival, merge as hg_merge, patch, ui

from mercurial import discovery

from mercurial import localrepo

from mercurial import unionrepo

from mercurial import scmutil

from mercurial import config

from mercurial import tags as tagsmod

from mercurial.commands import clone, nullid, pull

from mercurial.context import memctx, memfilectx

from mercurial.error import RepoError, RepoLookupError, Abort

from mercurial.hgweb import hgweb_mod

from mercurial.hgweb.common import get_contact

from mercurial.localrepo import localrepository

from mercurial.match import match

from mercurial.mdiff import diffopts

from mercurial.node import hex

from mercurial.encoding import tolocal

from mercurial.discovery import findcommonoutgoing

from mercurial.hg import peer

from mercurial.httppeer import httppeer

from mercurial.sshpeer import sshpeer

from mercurial.util import url as hg_url

from mercurial.scmutil import revrange

from mercurial.node import nullrev

from mercurial.url import httpbasicauthhandler, httpdigestauthhandler

# Mercurial 4.5 8a0cac20a1ad introduced an extra memctx changectx argument

# - introduce an optional wrapper factory that doesn't pass it on

import inspect

if inspect.getargspec(memfilectx.__init__).args[2] != 'changectx':

    __org_memfilectx = memfilectx

    memfilectx = lambda repo, changectx, *args, **kwargs: __org_memfilectx(repo, *args, **kwargs)

# workaround for 3.3 94ac64bcf6fe and not calling largefiles reposetup correctly

localrepository._lfstatuswriters = [lambda *msg, **opts: None]

# 3.5 7699d3212994 added the invariant that repo.lfstatus must exist before hitting overridearchive

localrepository.lfstatus = False

# Mercurial 4.2 moved tag from localrepo to the tags module

def tag(repo, *args):

    try:

        tag_f  = tagsmod.tag