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# Copyright (C) 2009 Jelmer Vernooij <jelmer@samba.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""Push implementation that simply prints message saying push is not supported."""
from bzrlib import (
ui,
)
from bzrlib.repository import (
InterRepository,
)
from bzrlib.plugins.git.errors import (
NoPushSupport,
)
from bzrlib.plugins.git.mapping import (
inventory_to_tree_and_blobs,
revision_to_commit,
)
from bzrlib.plugins.git.repository import (
GitRepository,
GitRepositoryFormat,
)
class InterToGitRepository(InterRepository):
"""InterRepository that copies into a Git repository."""
_matching_repo_format = GitRepositoryFormat()
@staticmethod
def _get_repo_format_to_test():
return None
def copy_content(self, revision_id=None, pb=None):
"""See InterRepository.copy_content."""
self.fetch(revision_id, pb, find_ghosts=False)
def fetch(self, revision_id=None, pb=None, find_ghosts=False,
fetch_spec=None):
raise NoPushSupport()
def import_revision_gist(self, revid, parent_lookup):
"""Import the gist of a revision into this Git repository.
"""
objects = []
rev = self.source.get_revision(revid)
for sha, object, path in inventory_to_tree_and_blobs(
self.source.get_inventory(revid), self.source.texts, None):
if path == "":
tree_sha = sha
objects.append((object, path))
commit = revision_to_commit(rev, tree_sha, parent_lookup)
objects.append((commit, None))
self.target._git.object_store.add_objects(objects)
return commit.sha().hexdigest()
def missing_revisions(self, stop_revision=None, ghosts=False):
if stop_revision is not None:
ancestry = [x for x in self.source.get_ancestry(stop_revision) if x is not None]
else:
ancestry = self.source.all_revision_ids()
missing = []
graph = self.source.get_graph()
for revid in graph.iter_topo_order(ancestry):
if not self.target.has_revision(revid):
missing.append(revid)
elif not ghosts:
break
return missing
def dfetch(self, stop_revision=None, fetch_ghosts=False):
"""Import the gist of the ancestry of a particular revision."""
revidmap = {}
gitidmap = {}
def parent_lookup(revid):
try:
return gitidmap[revid]
except KeyError:
return self.target.lookup_git_revid(revid)[0]
mapping = self.target.get_mapping()
self.source.lock_write()
try:
todo = self.missing_revisions(stop_revision, ghosts=fetch_ghosts)
pb = ui.ui_factory.nested_progress_bar()
try:
for i, revid in enumerate(todo):
pb.update("pushing revisions", i, len(todo))
git_commit = self.import_revision_gist(revid, parent_lookup)
gitidmap[revid] = git_commit
git_revid = mapping.revision_id_foreign_to_bzr(git_commit)
revidmap[revid] = git_revid
finally:
pb.finished()
if revidmap != {}:
self.source.fetch(self.target,
revision_id=revidmap[stop_revision])
finally:
self.source.unlock()
return revidmap
@staticmethod
def is_compatible(source, target):
"""Be compatible with GitRepository."""
return (not isinstance(source, GitRepository) and
isinstance(target, GitRepository))
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