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# Copyright (C) 2007-2010 Jelmer Vernooij <jelmer@samba.org>
 
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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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# 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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# 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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from bzrlib.errors import (
 
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from bzrlib.transport import (
 
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from bzrlib.plugins.git import (
 
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from bzrlib.plugins.git.branch import (
 
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from bzrlib.plugins.git.errors import (
 
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    GitSmartRemoteNotSupported,
 
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from bzrlib.plugins.git.dir import (
 
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from bzrlib.plugins.git.mapping import (
 
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from bzrlib.plugins.git.repository import (
 
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from bzrlib.plugins.git.refs import (
 
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from dulwich.errors import (
 
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from dulwich.pack import (
 
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urlparse.uses_netloc.extend(['git', 'git+ssh'])
 
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from dulwich.pack import load_pack_index
 
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# Don't run any tests on GitSmartTransport as it is not intended to be
 
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# a full implementation of Transport
 
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def get_test_permutations():
 
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def split_git_url(url):
 
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    :return: Tuple with host, port, username, path.
 
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    (scheme, netloc, loc, _, _) = urlparse.urlsplit(url)
 
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    path = urllib.unquote(loc)
 
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    if path.startswith("/~"):
 
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    (username, hostport) = urllib.splituser(netloc)
 
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    (host, port) = urllib.splitnport(hostport, None)
 
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    return (host, port, username, path)
 
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class GitSmartTransport(Transport):
 
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    def __init__(self, url, _client=None):
 
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        Transport.__init__(self, url)
 
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        (self._host, self._port, self._username, self._path) = \
 
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        if 'transport' in debug.debug_flags:
 
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            trace.mutter('host: %r, user: %r, port: %r, path: %r',
 
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                         self._host, self._username, self._port, self._path)
 
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        self._client = _client
 
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    def external_url(self):
 
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    def has(self, relpath):
 
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    def _get_client(self, thin_packs):
 
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        raise NotImplementedError(self._get_client)
 
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    def fetch_pack(self, determine_wants, graph_walker, pack_data, progress=None):
 
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                trace.info("git: %s" % text)
 
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        client = self._get_client(thin_packs=False)
 
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            return client.fetch_pack(self._get_path(), determine_wants,
 
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                graph_walker, pack_data, progress)
 
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        except GitProtocolError, e:
 
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    def send_pack(self, get_changed_refs, generate_pack_contents):
 
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        client = self._get_client(thin_packs=False)
 
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            return client.send_pack(self._get_path(), get_changed_refs,
 
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                generate_pack_contents)
 
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        except GitProtocolError, e:
 
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        raise NoSuchFile(path)
 
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    def abspath(self, relpath):
 
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        return urlutils.join(self.base, relpath)
 
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    def clone(self, offset=None):
 
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        """See Transport.clone()."""
 
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            newurl = urlutils.join(self.base, offset)
 
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        return self.__class__(newurl, self._client)
 
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class TCPGitSmartTransport(GitSmartTransport):
 
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    def _get_client(self, thin_packs):
 
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        if self._client is not None:
 
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        return git.client.TCPGitClient(self._host, self._port,
 
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            thin_packs=thin_packs, report_activity=self._report_activity)
 
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class SSHGitSmartTransport(GitSmartTransport):
 
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        if self._path.startswith("/~/"):
 
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            return self._path[3:]
 
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    def _get_client(self, thin_packs):
 
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        if self._client is not None:
 
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        location_config = config.LocationConfig(self.base)
 
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        client = git.client.SSHGitClient(self._host, self._port, self._username,
 
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            thin_packs=thin_packs, report_activity=self._report_activity)
 
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        # Set up alternate pack program paths
 
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        upload_pack = location_config.get_user_option('git_upload_pack')
 
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            client.alternative_paths["upload-pack"] = upload_pack
 
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        receive_pack = location_config.get_user_option('git_receive_pack')
 
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            client.alternative_paths["receive-pack"] = receive_pack
 
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class RemoteGitDir(GitDir):
 
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    def __init__(self, transport, lockfiles, format):
 
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        self._format = format
 
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        self.root_transport = transport
 
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        self.transport = transport
 
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        self._lockfiles = lockfiles
 
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        self._mode_check_done = None
 
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    def _branch_name_to_ref(self, name, default=None):
 
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        return branch_name_to_ref(name, default=default)
 
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    def open_repository(self):
 
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        return RemoteGitRepository(self, self._lockfiles)
 
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    def _open_branch(self, name=None, ignore_fallbacks=False, 
 
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        repo = self.open_repository()
 
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        refname = self._branch_name_to_ref(name)
 
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        return RemoteGitBranch(self, repo, refname, self._lockfiles)
 
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    def open_workingtree(self, recommend_upgrade=False):
 
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        raise NotLocalUrl(self.transport.base)
 
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class EmptyObjectStoreIterator(dict):
 
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    def iterobjects(self):
 
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class TemporaryPackIterator(Pack):
 
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    def __init__(self, path, resolve_ext_ref):
 
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        super(TemporaryPackIterator, self).__init__(path)
 
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        self.resolve_ext_ref = resolve_ext_ref
 
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        if self._data is None:
 
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            self._data = ThinPackData(self.resolve_ext_ref, self._data_path)
 
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        if self._idx is None:
 
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            if not os.path.exists(self._idx_path):
 
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                pb = ui.ui_factory.nested_progress_bar()
 
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                    def report_progress(cur, total):
 
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                        pb.update("generating index", cur, total)
 
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                    self.data.create_index(self._idx_path, 
 
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                        progress=report_progress)
 
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            self._idx = load_pack_index(self._idx_path)
 
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        if self._idx is not None:
 
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            os.remove(self._idx_path)
 
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        if self._data is not None:
 
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            os.remove(self._data_path)
 
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class RemoteGitRepository(GitRepository):
 
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    def __init__(self, gitdir, lockfiles):
 
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        GitRepository.__init__(self, gitdir, lockfiles)
 
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    def inventories(self):
 
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        raise GitSmartRemoteNotSupported()
 
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        raise GitSmartRemoteNotSupported()
 
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        raise GitSmartRemoteNotSupported()
 
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        if self._refs is not None:
 
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        self._refs = self.bzrdir.root_transport.fetch_pack(lambda x: [], None,
 
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            lambda x: None, lambda x: trace.mutter("git: %s" % x))
 
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    def fetch_pack(self, determine_wants, graph_walker, pack_data,
 
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        return self._transport.fetch_pack(determine_wants, graph_walker,
 
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    def send_pack(self, get_changed_refs, generate_pack_contents):
 
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        return self._transport.send_pack(get_changed_refs, generate_pack_contents)
 
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    def fetch_objects(self, determine_wants, graph_walker, resolve_ext_ref,
 
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        fd, path = tempfile.mkstemp(suffix=".pack")
 
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        self.fetch_pack(determine_wants, graph_walker,
 
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            lambda x: os.write(fd, x), progress)
 
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        if os.path.getsize(path) == 0:
 
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            return EmptyObjectStoreIterator()
 
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        return TemporaryPackIterator(path[:-len(".pack")], resolve_ext_ref)
 
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    def lookup_bzr_revision_id(self, bzr_revid):
 
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        # This won't work for any round-tripped bzr revisions, but it's a start..
 
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            return mapping_registry.revision_id_bzr_to_foreign(bzr_revid)
 
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        except InvalidRevisionId:
 
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            raise NoSuchRevision(self, bzr_revid)
 
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    def lookup_foreign_revision_id(self, foreign_revid, mapping=None):
 
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        """Lookup a revision id.
 
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            mapping = self.get_mapping()
 
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        # Not really an easy way to parse foreign revids here..
 
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        return mapping.revision_id_foreign_to_bzr(foreign_revid)
 
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class RemoteGitTagDict(tag.BasicTags):
 
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    def __init__(self, branch):
 
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        self.repository = branch.repository
 
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    def get_tag_dict(self):
 
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        for k, v in extract_tags(self.repository.get_refs()).iteritems():
 
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            tags[k] = self.branch.mapping.revision_id_foreign_to_bzr(v)
 
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    def set_tag(self, name, revid):
 
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        # FIXME: Not supported yet, should do a push of a new ref
 
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        raise NotImplementedError(self.set_tag)
 
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class RemoteGitBranch(GitBranch):
 
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    def __init__(self, bzrdir, repository, name, lockfiles):
 
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        super(RemoteGitBranch, self).__init__(bzrdir, repository, name,
 
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    def revision_history(self):
 
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        raise GitSmartRemoteNotSupported()
 
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    def last_revision(self):
 
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        return self.lookup_foreign_revision_id(self.head)
 
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    def _get_config(self):
 
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        class EmptyConfig(object):
 
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            def _get_configobj(self):
 
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                return config.ConfigObj()
 
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        if self._sha is not None:
 
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        heads = self.repository.get_refs()
 
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        name = self.bzrdir._branch_name_to_ref(self.name, "HEAD")
 
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            self._sha = heads[name]
 
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            raise NoSuchRef(self.name)
 
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    def _synchronize_history(self, destination, revision_id):
 
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        """See Branch._synchronize_history()."""
 
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        destination.generate_revision_history(self.last_revision())
 
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    def get_push_location(self):
 
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    def set_push_location(self, url):