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  • Committer: Robert Collins
  • Date: 2010-05-06 11:08:10 UTC
  • mto: This revision was merged to the branch mainline in revision 5223.
  • Revision ID: robertc@robertcollins.net-20100506110810-h3j07fh5gmw54s25
Cleaner matcher matching revised unlocking protocol.

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workingtree.py
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# Copyright (C) 2008 Jelmer Vernooij <jelmer@samba.org>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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"""An adapter between a Git index and a Bazaar Working Tree"""
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from dulwich.index import (
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    Index,
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    )
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import os
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from bzrlib import (
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    inventory,
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    lockable_files,
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    lockdir,
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    transport,
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    urlutils,
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    workingtree,
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    )
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class GitWorkingTree(workingtree.WorkingTree):
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    """A Git working tree."""
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    def __init__(self, bzrdir, repo, branch):
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        self.basedir = bzrdir.transport.base
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        self.bzrdir = bzrdir
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        self.repository = repo
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        self._branch = branch
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        self._transport = bzrdir.transport
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        self.controldir = urlutils.join(self.repository._git.path, 'bzr')
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        try:
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            os.makedirs(self.controldir)
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            os.makedirs(os.path.join(self.controldir, 'lock'))
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        except OSError:
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            pass
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        self._control_files = lockable_files.LockableFiles(
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            transport.get_transport(self.controldir), 'lock', lockdir.LockDir)
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        self._format = GitWorkingTreeFormat()
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        self.index = Index(os.path.join(self.repository._git.controldir(), 
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            "index"))
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        self.views = self._make_views()
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    def unlock(self):
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        # non-implementation specific cleanup
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        self._cleanup()
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        # reverse order of locking.
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        try:
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            return self._control_files.unlock()
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        finally:
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            self.branch.unlock()
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    def is_control_filename(self, path):
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        return os.path.basename(path) == ".git"
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    def _get_inventory(self):
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        return inventory.Inventory()
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    inventory = property(_get_inventory,
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                         doc="Inventory of this Tree")
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class GitWorkingTreeFormat(workingtree.WorkingTreeFormat):
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    def get_format_description(self):
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        return "Git Working Tree"