/brz/remove-bazaar

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Viewing changes to gitlib/git_branch.py

Start splitting up the Git{Branch,Dir,Repository} into separate modules, etc.

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gitlib/git_branch.py
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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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    tag,
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    )
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from bzrlib.decorators import needs_read_lock
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from bzrlib.plugins.git.foreign import ForeignBranch
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class GitTagDict(tag.BasicTags):
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    def __init__(self, branch):
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        self.branch = branch
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        self.repository = branch.repository
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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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            ret[k] = self.branch.mapping.revision_id_foreign_to_bzr(v)
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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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class GitBranchConfig(config.BranchConfig):
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    """BranchConfig that uses locations.conf in place of branch.conf"""
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class GitBranchFormat(branch.BranchFormat):
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    def get_format_description(self):
 
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    def get_branch_description(self):
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        return 'Git Branch'
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    def supports_tags(self):
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        return True
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class GitBranch(ForeignBranch):
 
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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, name, head, lockfiles):
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        self.repository = repository
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        super(GitBranch, self).__init__(repository.get_mapping())
 
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    def __init__(self, gitdir, lockfiles):
 
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        from bzrlib.plugins.git.gitlib import git_repository
 
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        self.bzrdir = gitdir
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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.repository = git_repository.GitRepository(gitdir, lockfiles)
 
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        self.base = gitdir.root_transport.base
 
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        if '.git' not in gitdir.root_transport.list_dir('.'):
 
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            raise errors.NotBranchError(self.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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    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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    @needs_read_lock
 
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    def last_revision(self):
 
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        # perhaps should escape this ?
 
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        return bzrrevid_from_git(self.repository.git.get_head())
 
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    @needs_read_lock
 
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    def revision_history(self):
 
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        node = self.last_revision()
 
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        ancestors = self.repository.get_revision_graph(node)
 
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        history = []
 
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        while node is not None:
 
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            history.append(node)
 
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            if len(ancestors[node]) > 0:
 
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                node = ancestors[node][0]
 
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            else:
 
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                node = None
 
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        return list(reversed(history))
 
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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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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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        if self.head is None:
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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 _make_tags(self):
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        return GitTagDict(self)
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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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        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 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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        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 True
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    def sprout(self, to_bzrdir, revision_id=None):
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        """See Branch.sprout()."""
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        result = to_bzrdir.create_branch()
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        self.copy_content_into(result, revision_id=revision_id)
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        result.set_parent(self.bzrdir.root_transport.base)
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        return result
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