/brz/remove-bazaar

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  • Committer: Jelmer Vernooij
  • Date: 2008-11-25 00:33:32 UTC
  • mto: (0.219.2 trunk)
  • mto: This revision was merged to the branch mainline in revision 6960.
  • Revision ID: jelmer@samba.org-20081125003332-60b0uol0fd7436gt
Merge improvements from bzr-svn.

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# Copyright (C) 2007 Canonical Ltd
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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 Branch and a Bazaar Branch"""
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from bzrlib import (
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    branch,
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    config,
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    revision,
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    )
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from bzrlib.decorators import needs_read_lock
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from bzrlib.plugins.git import ids
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class GitBranchConfig(config.BranchConfig):
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    """BranchConfig that uses locations.conf in place of branch.conf"""
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    def __init__(self, branch):
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        config.BranchConfig.__init__(self, branch)
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        # do not provide a BranchDataConfig
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        self.option_sources = self.option_sources[0], self.option_sources[2]
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    def set_user_option(self, name, value, local=False):
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        """Force local to True"""
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        config.BranchConfig.set_user_option(self, name, value, local=True)
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class GitBranchFormat(branch.BranchFormat):
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    def get_format_description(self):
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        return 'Git Branch'
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class GitBranch(branch.Branch):
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    """An adapter to git repositories for bzr Branch objects."""
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    def __init__(self, bzrdir, repository, head, base, lockfiles):
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        super(GitBranch, self).__init__()
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        self.control_files = lockfiles
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        self.bzrdir = bzrdir
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        self.repository = repository
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        self.head = head
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        self.base = base
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        self._format = GitBranchFormat()
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    def lock_write(self):
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        self.control_files.lock_write()
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    @needs_read_lock
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    def last_revision(self):
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        # perhaps should escape this ?
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        if self.head is None:
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            return revision.NULL_REVISION
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        return ids.convert_revision_id_git_to_bzr(self.head)
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    def get_parent(self):
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        """See Branch.get_parent()."""
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        return None
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    def get_stacked_on_url(self):
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        return None
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    def _gen_revision_history(self):
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        if self.head is None:
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            return []
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        skip = 0
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        cms = None
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        ret = []
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        max_count = 1000
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        nextid = self.head
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        while cms != []:
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            cms = self.repository._git.commits(self.head, max_count=max_count, skip=skip)
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            skip += max_count
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            for cm in cms:
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                if cm.id == nextid:
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                    ret.append(ids.convert_revision_id_git_to_bzr(cm.id))
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                    if cm.parents == []:
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                        nextid = None
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                    else:
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                        nextid = cm.parents[0].id
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        ret.reverse()
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        return ret
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    def get_config(self):
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        return GitBranchConfig(self)
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    def lock_read(self):
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        self.control_files.lock_read()
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    def unlock(self):
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        self.control_files.unlock()
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    def get_physical_lock_status(self):
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        return False
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    def get_push_location(self):
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        """See Branch.get_push_location."""
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        push_loc = self.get_config().get_user_option('push_location')
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        return push_loc
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    def set_push_location(self, location):
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        """See Branch.set_push_location."""
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        self.get_config().set_user_option('push_location', location,
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                                          local=True)
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    def supports_tags(self):
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        return False