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# copyright 2003-2011 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
#
# This file is part of logilab-common.
#
# logilab-common is free software: you can redistribute it and/or modify it under
# the terms of the GNU Lesser General Public License as published by the Free
# Software Foundation, either version 2.1 of the License, or (at your option) any
# later version.
#
# logilab-common is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License along
# with logilab-common. If not, see <http://www.gnu.org/licenses/>.
"""mercurial utilities (mercurial should be installed)"""
__docformat__ = "restructuredtext en"
import os
import sys
import os.path as osp
try:
from mercurial.error import RepoError
from mercurial.__version__ import version as hg_version
except ImportError:
from mercurial.repo import RepoError
from mercurial.version import get_version
hg_version = get_version()
from mercurial.hg import repository as Repository
from mercurial.ui import ui as Ui
from mercurial.node import short
try:
# mercurial >= 1.2 (?)
from mercurial.cmdutil import walkchangerevs
except ImportError, ex:
from mercurial.commands import walkchangerevs
try:
# mercurial >= 1.1 (.1?)
from mercurial.util import cachefunc
except ImportError, ex:
def cachefunc(func):
return func
try:
# mercurial >= 1.3.1
from mercurial import encoding
_encoding = encoding.encoding
except ImportError:
try:
from mercurial.util import _encoding
except ImportError:
import locale
# stay compatible with mercurial 0.9.1 (etch debian release)
# (borrowed from mercurial.util 1.1.2)
try:
_encoding = os.environ.get("HGENCODING")
if sys.platform == 'darwin' and not _encoding:
# On darwin, getpreferredencoding ignores the locale environment and
# always returns mac-roman. We override this if the environment is
# not C (has been customized by the user).
locale.setlocale(locale.LC_CTYPE, '')
_encoding = locale.getlocale()[1]
if not _encoding:
_encoding = locale.getpreferredencoding() or 'ascii'
except locale.Error:
_encoding = 'ascii'
try:
# demandimport causes problems when activated, ensure it isn't
# XXX put this in apycot where the pb has been noticed?
from mercurial import demandimport
demandimport.disable()
except:
pass
Ui.warn = lambda *args, **kwargs: 0 # make it quiet
def find_repository(path):
"""returns <path>'s mercurial repository
None if <path> is not under hg control
"""
path = osp.realpath(osp.abspath(path))
while not osp.isdir(osp.join(path, ".hg")):
oldpath = path
path = osp.dirname(path)
if path == oldpath:
return None
return path
def get_repository(path):
"""Simple function that open a hg repository"""
repopath = find_repository(path)
if repopath is None:
raise RuntimeError('no repository found in %s' % osp.abspath(path))
return Repository(Ui(), path=repopath)
def incoming(wdrepo, masterrepo):
try:
return wdrepo.findincoming(masterrepo)
except AttributeError:
from mercurial import hg, discovery
revs, checkout = hg.addbranchrevs(wdrepo, masterrepo, ('', []), None)
common, incoming, rheads = discovery.findcommonincoming(
wdrepo, masterrepo, heads=revs)
if not masterrepo.local():
from mercurial import bundlerepo, changegroup
if revs is None and masterrepo.capable('changegroupsubset'):
revs = rheads
if revs is None:
cg = masterrepo.changegroup(incoming, "incoming")
else:
cg = masterrepo.changegroupsubset(incoming, revs, 'incoming')
fname = changegroup.writebundle(cg, None, "HG10UN")
# use the created uncompressed bundlerepo
masterrepo = bundlerepo.bundlerepository(wdrepo.ui, wdrepo.root, fname)
return masterrepo.changelog.nodesbetween(incoming, revs)[0]
def outgoing(wdrepo, masterrepo):
try:
return wdrepo.findoutgoing(masterrepo)
except AttributeError:
from mercurial import hg, discovery
revs, checkout = hg.addbranchrevs(wdrepo, wdrepo, ('', []), None)
o = discovery.findoutgoing(wdrepo, masterrepo)
return wdrepo.changelog.nodesbetween(o, revs)[0]
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