/brz/remove-bazaar

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Merge in dulwich.

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branch.py
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    tag,
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    )
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from bzrlib.decorators import needs_read_lock
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from bzrlib.trace import mutter
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from bzrlib.plugins.git.foreign import ForeignBranch
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from bzrlib.plugins.git.errors import LightWeightCheckoutsNotSupported
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from dulwich.objects import (
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        Commit,
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        Tag,
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        )
 
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from bzrlib.plugins.git.mapping import default_mapping
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class GitTagDict(tag.BasicTags):
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    def get_tag_dict(self):
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        ret = {}
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        for k,v in self.repository._git.tags.iteritems():
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            obj = self.repository._git.get_object(v)
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            while isinstance(obj, Tag):
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                v = obj.object[1]
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                obj = self.repository._git.get_object(v)
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            if not isinstance(obj, Commit):
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                mutter("Tag %s points at object %r that is not a commit, ignoring", k, obj)
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                continue
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            ret[k] = self.branch.mapping.revision_id_foreign_to_bzr(v)
 
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        for tag in self.repository._git.tags:
 
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            ret[tag.name] = self.branch.mapping.revision_id_foreign_to_bzr(tag.commit.id)
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        return ret
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    def set_tag(self, name, revid):
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        self.repository._git.tags[name] = revid
 
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        raise NotImplementedError(self.set_tag)
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class GitBranchConfig(config.BranchConfig):
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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, store=config.STORE_BRANCH, warn_masked=False):
 
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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, store=config.STORE_LOCATION, warn_masked=warn_masked)
 
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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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class GitBranch(ForeignBranch):
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    """An adapter to git repositories for bzr Branch objects."""
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    def __init__(self, bzrdir, repository, name, head, lockfiles):
 
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    def __init__(self, bzrdir, repository, head, base, lockfiles):
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        self.repository = repository
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        super(GitBranch, self).__init__(repository.get_mapping())
 
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        super(GitBranch, self).__init__(default_mapping)
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        self.control_files = lockfiles
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        self.bzrdir = bzrdir
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        self.name = name
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        self.head = head
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        self.base = bzrdir.transport.base
 
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        self.base = base
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        self._format = GitBranchFormat()
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    def dpull(self, source, stop_revision=None):
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        if stop_revision is None:
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            stop_revision = source.last_revision()
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        # FIXME: Check for diverged branches
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        revidmap = self.repository.dfetch(source.repository, stop_revision)
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        self.head, self.mapping = self.mapping.revision_id_bzr_to_foreign(revidmap[stop_revision])
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        return revidmap
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    def lock_write(self):
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        self.control_files.lock_write()
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    def get_stacked_on_url(self):
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        # Git doesn't do stacking (yet...)
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        return None
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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 set_parent(self, url):
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        pass
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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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class LocalGitBranch(GitBranch):
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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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            return revision.NULL_REVISION
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        return self.mapping.revision_id_foreign_to_bzr(self.head)
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    def create_checkout(self, to_location, revision_id=None, 
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                        lightweight=False, accelerator_tree=None, hardlink=False):
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        if lightweight:
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            raise LightWeightCheckoutsNotSupported()
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        return self._create_heavyweight_checkout(to_location, revision_id, hardlink)
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    def _create_heavyweight_checkout(self, to_location, revision_id=None, 
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                                     hardlink=False):
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        """Create a new heavyweight checkout of this branch.
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        :param to_location: URL of location to create the new checkout in.
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        :param revision_id: Revision that should be the tip of the checkout.
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        :param hardlink: Whether to hardlink
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        :return: WorkingTree object of checkout.
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        """
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        checkout_branch = BzrDir.create_branch_convenience(
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            to_location, force_new_tree=False, format=get_rich_root_format())
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        checkout = checkout_branch.bzrdir
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        checkout_branch.bind(self)
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        # pull up to the specified revision_id to set the initial 
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        # branch tip correctly, and seed it with history.
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        checkout_branch.pull(self, stop_revision=revision_id)
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        return checkout.create_workingtree(revision_id, hardlink=hardlink)
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    def _make_tags(self):
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        return GitTagDict(self)
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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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        ret = list(self.repository.iter_reverse_revision_history(self.last_revision()))
 
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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(self.mapping.revision_id_foreign_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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    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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                                          store=config.STORE_LOCATION)
 
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                                          local=True)
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    def supports_tags(self):
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        return True