"""
Mercurial libs compatibility
"""

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
try: # sshpeer was renamed in Mercurial 4.6 (625038cb4b1d), but v1 is still good enough
    from mercurial.sshpeer import sshv1peer as sshpeer
except ImportError:
    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
    except AttributeError:
        return repo.tag(*args)
    tag_f(repo, *args)