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