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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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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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"""Fetching from git into bzr."""
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from dulwich.objects import (
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from dulwich.object_store import (
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from itertools import (
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from bzrlib.errors import (
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from ..errors import (
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from bzrlib.inventory import (
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from ..bzr.inventory import (
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InventoryDirectory,
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from bzrlib.repository import (
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from bzrlib.revision import (
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from ..revision import (
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from bzrlib.revisiontree import (
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from bzrlib.testament import (
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from ..bzr.inventorytree import InventoryRevisionTree
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from ..bzr.testament import (
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from bzrlib.tsort import (
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from ..tree import InterTree
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from bzrlib.versionedfile import (
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from ..bzr.versionedfile import (
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ChunkedContentFactory,
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from bzrlib.plugins.git.mapping import (
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from .mapping import (
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mode_is_executable,
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from bzrlib.plugins.git.object_store import (
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from .object_store import (
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from bzrlib.plugins.git.remote import (
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from bzrlib.plugins.git.repository import (
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def import_git_blob(texts, mapping, path, name, (base_hexsha, hexsha),
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base_inv, parent_id, revision_id,
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parent_invs, lookup_object, (base_mode, mode), store_updater,
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def import_git_blob(texts, mapping, path, name, hexshas,
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base_bzr_tree, parent_id, revision_id,
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parent_bzr_trees, lookup_object, modes, store_updater,
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"""Import a git blob object into a bzr repository.
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:param texts: VersionedFiles to add to
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:param blob: A git blob
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:return: Inventory delta for this file
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if mapping.is_control_file(path):
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if not isinstance(path, bytes):
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decoded_path = decode_git_path(path)
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(base_mode, mode) = modes
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(base_hexsha, hexsha) = hexshas
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if mapping.is_special_file(path):
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if base_hexsha == hexsha and base_mode == mode:
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# If nothing has changed since the base revision, we're done
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file_id = lookup_file_id(path)
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file_id = lookup_file_id(decoded_path)
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if stat.S_ISLNK(mode):
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cls = InventoryLink
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cls = InventoryFile
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ie = cls(file_id, name.decode("utf-8"), parent_id)
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ie = cls(file_id, decode_git_path(name), parent_id)
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if ie.kind == "file":
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ie.executable = mode_is_executable(mode)
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if base_hexsha == hexsha and mode_kind(base_mode) == mode_kind(mode):
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base_ie = base_inv[base_inv.path2id(path)]
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ie.text_size = base_ie.text_size
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ie.text_sha1 = base_ie.text_sha1
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base_exec = base_bzr_tree.is_executable(decoded_path)
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if ie.kind == "symlink":
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ie.symlink_target = base_ie.symlink_target
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if ie.executable == base_ie.executable:
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ie.revision = base_ie.revision
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ie.symlink_target = base_bzr_tree.get_symlink_target(decoded_path)
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ie.text_size = base_bzr_tree.get_file_size(decoded_path)
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ie.text_sha1 = base_bzr_tree.get_file_sha1(decoded_path)
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if ie.kind == "symlink" or ie.executable == base_exec:
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ie.revision = base_bzr_tree.get_file_revision(decoded_path)
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blob = lookup_object(hexsha)
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blob = lookup_object(hexsha)
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if ie.kind == "symlink":
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ie.revision = None
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ie.symlink_target = blob.data
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ie.symlink_target = decode_git_path(blob.data)
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ie.text_size = sum(imap(len, blob.chunked))
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ie.text_size = sum(map(len, blob.chunked))
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ie.text_sha1 = osutils.sha_strings(blob.chunked)
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# Check what revision we should store
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for pinv in parent_invs:
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for ptree in parent_bzr_trees:
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intertree = InterTree.get(ptree, base_bzr_tree)
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if (pie.text_sha1 == ie.text_sha1 and
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pie.executable == ie.executable and
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pie.symlink_target == ie.symlink_target):
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ppath = intertree.find_source_paths(decoded_path, recurse='none')
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except errors.NoSuchFile:
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pkind = ptree.kind(ppath)
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if (pkind == ie.kind and
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((pkind == "symlink" and ptree.get_symlink_target(ppath) == ie.symlink_target) or
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(pkind == "file" and ptree.get_file_sha1(ppath) == ie.text_sha1 and
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ptree.is_executable(ppath) == ie.executable))):
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# found a revision in one of the parents to use
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ie.revision = pie.revision
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ie.revision = ptree.get_file_revision(ppath)
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parent_key = (file_id, pie.revision)
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if not parent_key in parent_keys:
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parent_key = (file_id, ptree.get_file_revision(ppath))
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if parent_key not in parent_keys:
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parent_keys.append(parent_key)
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if ie.revision is None:
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# Need to store a new revision
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ie.revision = revision_id
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assert ie.revision is not None
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if ie.revision is None:
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raise ValueError("no file revision set")
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if ie.kind == 'symlink':
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chunks = blob.chunked
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texts.insert_record_stream([
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ChunkedContentFactory((file_id, ie.revision),
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tuple(parent_keys), ie.text_sha1, chunks)])
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tuple(parent_keys), ie.text_sha1, chunks)])
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if base_hexsha is not None:
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old_path = path.decode("utf-8") # Renames are not supported yet
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old_path = decoded_path # Renames are not supported yet
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if stat.S_ISDIR(base_mode):
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invdelta.extend(remove_disappeared_children(base_inv, old_path,
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lookup_object(base_hexsha), [], lookup_object))
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invdelta.extend(remove_disappeared_children(
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base_bzr_tree, old_path, lookup_object(base_hexsha), [],
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new_path = path.decode("utf-8")
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invdelta.append((old_path, new_path, file_id, ie))
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invdelta.append((old_path, decoded_path, file_id, ie))
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if base_hexsha != hexsha:
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store_updater.add_object(blob, ie, path)
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store_updater.add_object(blob, (ie.file_id, ie.revision), path)
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class SubmodulesRequireSubtrees(BzrError):
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_fmt = """The repository you are fetching from contains submodules. To continue, upgrade your Bazaar repository to a format that supports nested trees, such as 'development-subtree'."""
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_fmt = ("The repository you are fetching from contains submodules, "
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"which require a Bazaar format that supports tree references.")
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def import_git_submodule(texts, mapping, path, name, (base_hexsha, hexsha),
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base_inv, parent_id, revision_id, parent_invs, lookup_object,
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(base_mode, mode), store_updater, lookup_file_id):
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def import_git_submodule(texts, mapping, path, name, hexshas,
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base_bzr_tree, parent_id, revision_id,
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parent_bzr_trees, lookup_object,
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modes, store_updater, lookup_file_id):
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"""Import a git submodule."""
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(base_hexsha, hexsha) = hexshas
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(base_mode, mode) = modes
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if base_hexsha == hexsha and base_mode == mode:
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path = decode_git_path(path)
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file_id = lookup_file_id(path)
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ie = TreeReference(file_id, name.decode("utf-8"), parent_id)
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ie = TreeReference(file_id, decode_git_path(name), parent_id)
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ie.revision = revision_id
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if base_hexsha is None:
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if base_hexsha is not None:
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old_path = path # Renames are not supported yet
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if stat.S_ISDIR(base_mode):
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invdelta.extend(remove_disappeared_children(
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base_bzr_tree, old_path, lookup_object(base_hexsha), [],
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ie.reference_revision = mapping.revision_id_foreign_to_bzr(hexsha)
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texts.insert_record_stream([
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ChunkedContentFactory((file_id, ie.revision), (), None, [])])
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invdelta = [(oldpath, path, file_id, ie)]
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invdelta.append((old_path, path, file_id, ie))
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return invdelta, {}
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def remove_disappeared_children(base_inv, path, base_tree, existing_children,
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def remove_disappeared_children(base_bzr_tree, path, base_tree,
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existing_children, lookup_object):
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"""Generate an inventory delta for removed children.
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:param base_inv: Base inventory against which to generate the
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:param base_bzr_tree: Base bzr tree against which to generate the
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:param path: Path to process (unicode)
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:param base_tree: Git Tree base object
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:param lookup_object: Lookup a git object by its SHA1
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:return: Inventory delta, as list
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assert type(path) is unicode
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if not isinstance(path, str):
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raise TypeError(path)
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for name, mode, hexsha in base_tree.iteritems():
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if name in existing_children:
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c_path = posixpath.join(path, name.decode("utf-8"))
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file_id = base_inv.path2id(c_path)
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assert file_id is not None
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c_path = posixpath.join(path, decode_git_path(name))
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file_id = base_bzr_tree.path2id(c_path)
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raise TypeError(file_id)
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ret.append((c_path, None, file_id, None))
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if stat.S_ISDIR(mode):
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ret.extend(remove_disappeared_children(
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base_inv, c_path, lookup_object(hexsha), [], lookup_object))
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base_bzr_tree, c_path, lookup_object(hexsha), [],
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def import_git_tree(texts, mapping, path, name, (base_hexsha, hexsha),
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base_inv, parent_id, revision_id, parent_invs,
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lookup_object, (base_mode, mode), store_updater,
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lookup_file_id, allow_submodules=False):
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def import_git_tree(texts, mapping, path, name, hexshas,
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base_bzr_tree, parent_id, revision_id, parent_bzr_trees,
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lookup_object, modes, store_updater,
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lookup_file_id, allow_submodules=False):
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"""Import a git tree object into a bzr repository.
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:param texts: VersionedFiles object to add to
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:param path: Path in the tree (str)
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:param name: Name of the tree (str)
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:param tree: A git tree object
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:param base_inv: Base inventory against which to return inventory delta
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:param base_bzr_tree: Base inventory against which to return inventory
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:return: Inventory delta for this subtree
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assert type(path) is str
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assert type(name) is str
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(base_hexsha, hexsha) = hexshas
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(base_mode, mode) = modes
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if not isinstance(path, bytes):
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raise TypeError(path)
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if not isinstance(name, bytes):
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raise TypeError(name)
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if base_hexsha == hexsha and base_mode == mode:
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# If nothing has changed since the base revision, we're done
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file_id = lookup_file_id(path)
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# We just have to hope this is indeed utf-8:
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ie = InventoryDirectory(file_id, name.decode("utf-8"), parent_id)
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file_id = lookup_file_id(osutils.safe_unicode(path))
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ie = InventoryDirectory(file_id, decode_git_path(name), parent_id)
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tree = lookup_object(hexsha)
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if base_hexsha is None:
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old_path = None # Newly appeared here
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old_path = None # Newly appeared here
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base_tree = lookup_object(base_hexsha)
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old_path = path.decode("utf-8") # Renames aren't supported yet
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new_path = path.decode("utf-8")
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old_path = decode_git_path(path) # Renames aren't supported yet
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new_path = decode_git_path(path)
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if base_tree is None or type(base_tree) is not Tree:
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ie.revision = revision_id
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invdelta.append((old_path, new_path, ie.file_id, ie))
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child_base_hexsha = None
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child_base_mode = 0
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if stat.S_ISDIR(child_mode):
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subinvdelta, grandchildmodes = import_git_tree(texts, mapping,
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child_path, name, (child_base_hexsha, child_hexsha), base_inv,
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file_id, revision_id, parent_invs, lookup_object,
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subinvdelta, grandchildmodes = import_git_tree(
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texts, mapping, child_path, name,
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(child_base_hexsha, child_hexsha), base_bzr_tree, file_id,
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revision_id, parent_bzr_trees, lookup_object,
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(child_base_mode, child_mode), store_updater, lookup_file_id,
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allow_submodules=allow_submodules)
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elif S_ISGITLINK(child_mode): # submodule
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elif S_ISGITLINK(child_mode): # submodule
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if not allow_submodules:
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raise SubmodulesRequireSubtrees()
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subinvdelta, grandchildmodes = import_git_submodule(texts, mapping,
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child_path, name, (child_base_hexsha, child_hexsha), base_inv,
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file_id, revision_id, parent_invs, lookup_object,
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(child_base_mode, child_mode), store_updater, lookup_file_id)
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subinvdelta, grandchildmodes = import_git_submodule(
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texts, mapping, child_path, name,
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(child_base_hexsha, child_hexsha),
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base_bzr_tree, file_id, revision_id, parent_bzr_trees,
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lookup_object, (child_base_mode, child_mode), store_updater,
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subinvdelta = import_git_blob(texts, mapping, child_path, name,
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(child_base_hexsha, child_hexsha), base_inv, file_id,
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revision_id, parent_invs, lookup_object,
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(child_base_mode, child_mode), store_updater, lookup_file_id)
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if not mapping.is_special_file(name):
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subinvdelta = import_git_blob(
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texts, mapping, child_path, name,
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(child_base_hexsha, child_hexsha), base_bzr_tree, file_id,
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revision_id, parent_bzr_trees, lookup_object,
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(child_base_mode, child_mode), store_updater,
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grandchildmodes = {}
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child_modes.update(grandchildmodes)
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invdelta.extend(subinvdelta)
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if child_mode not in (stat.S_IFDIR, DEFAULT_FILE_MODE,
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stat.S_IFLNK, DEFAULT_FILE_MODE|0111):
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stat.S_IFLNK, DEFAULT_FILE_MODE | 0o111,
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child_modes[child_path] = child_mode
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# Remove any children that have disappeared
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if base_tree is not None and type(base_tree) is Tree:
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invdelta.extend(remove_disappeared_children(base_inv, old_path,
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base_tree, existing_children, lookup_object))
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store_updater.add_object(tree, ie, path)
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invdelta.extend(remove_disappeared_children(
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base_bzr_tree, old_path, base_tree, existing_children,
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store_updater.add_object(tree, (file_id, revision_id), path)
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return invdelta, child_modes
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def verify_commit_reconstruction(target_git_object_retriever, lookup_object,
308
o, rev, ret_tree, parent_trees, mapping, unusual_modes):
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o, rev, ret_tree, parent_trees, mapping,
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unusual_modes, verifiers):
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336
new_unusual_modes = mapping.export_unusual_file_modes(rev)
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if new_unusual_modes != unusual_modes:
311
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raise AssertionError("unusual modes don't match: %r != %r" % (
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339
unusual_modes, new_unusual_modes))
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# Verify that we can reconstruct the commit properly
314
rec_o = target_git_object_retriever._reconstruct_commit(rev, o.tree, True)
341
rec_o = target_git_object_retriever._reconstruct_commit(rev, o.tree, True,
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raise AssertionError("Reconstructed commit differs: %r != %r" % (
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for path, obj, ie in _tree_to_objects(ret_tree, parent_trees,
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target_git_object_retriever._cache.idmap, unusual_modes, mapping.BZR_DUMMY_FILE):
348
for path, obj, ie in _tree_to_objects(
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ret_tree, parent_trees, target_git_object_retriever._cache.idmap,
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unusual_modes, mapping.BZR_DUMMY_FILE):
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old_obj_id = tree_lookup_path(lookup_object, o.tree, path)[1]
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new_objs[path] = obj
324
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if obj.id != old_obj_id:
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diff.append((path, lookup_object(old_obj_id), obj))
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for (path, old_obj, new_obj) in diff:
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while (old_obj.type_name == "tree" and
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new_obj.type_name == "tree" and
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sorted(old_obj) == sorted(new_obj)):
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while (old_obj.type_name == "tree"
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and new_obj.type_name == "tree"
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and sorted(old_obj) == sorted(new_obj)):
330
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for name in old_obj:
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if old_obj[name][0] != new_obj[name][0]:
332
raise AssertionError("Modes for %s differ: %o != %o" %
361
raise AssertionError(
362
"Modes for %s differ: %o != %o" %
333
363
(path, old_obj[name][0], new_obj[name][0]))
334
364
if old_obj[name][1] != new_obj[name][1]:
335
365
# Found a differing child, delve deeper
337
367
old_obj = lookup_object(old_obj[name][1])
338
368
new_obj = new_objs[path]
340
raise AssertionError("objects differ for %s: %r != %r" % (path,
370
raise AssertionError(
371
"objects differ for %s: %r != %r" % (path, old_obj, new_obj))
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def ensure_inventories_in_repo(repo, trees):
375
real_inv_vf = repo.inventories.without_fallbacks()
377
revid = t.get_revision_id()
378
if not real_inv_vf.get_parent_map([(revid, )]):
379
repo.add_inventory(revid, t.root_inventory, t.get_parent_ids())
344
382
def import_git_commit(repo, mapping, head, lookup_object,
345
target_git_object_retriever, trees_cache):
383
target_git_object_retriever, trees_cache, strict):
346
384
o = lookup_object(head)
347
rev, roundtrip_revid, verifiers = mapping.import_commit(o,
348
lambda x: target_git_object_retriever.lookup_git_sha(x)[1][0])
385
# Note that this uses mapping.revision_id_foreign_to_bzr. If the parents
386
# were bzr roundtripped revisions they would be specified in the
388
rev, roundtrip_revid, verifiers = mapping.import_commit(
389
o, mapping.revision_id_foreign_to_bzr, strict)
390
if roundtrip_revid is not None:
391
original_revid = rev.revision_id
392
rev.revision_id = roundtrip_revid
349
393
# We have to do this here, since we have to walk the tree and
350
394
# we need to make sure to import the blobs / trees with the right
351
395
# path; this may involve adding them more than once.
352
396
parent_trees = trees_cache.revision_trees(rev.parent_ids)
397
ensure_inventories_in_repo(repo, parent_trees)
353
398
if parent_trees == []:
354
base_inv = Inventory(root_id=None)
399
base_bzr_tree = trees_cache.revision_tree(NULL_REVISION)
358
base_inv = parent_trees[0].inventory
403
base_bzr_tree = parent_trees[0]
359
404
base_tree = lookup_object(o.parents[0]).tree
360
405
base_mode = stat.S_IFDIR
361
406
store_updater = target_git_object_retriever._get_updater(rev)
362
fileid_map = mapping.get_fileid_map(lookup_object, o.tree)
363
inv_delta, unusual_modes = import_git_tree(repo.texts,
364
mapping, "", "", (base_tree, o.tree), base_inv,
365
None, rev.revision_id, [p.inventory for p in parent_trees],
366
lookup_object, (base_mode, stat.S_IFDIR), store_updater,
367
fileid_map.lookup_file_id,
368
allow_submodules=getattr(repo._format, "supports_tree_reference", False))
407
inv_delta, unusual_modes = import_git_tree(
408
repo.texts, mapping, b"", b"", (base_tree, o.tree), base_bzr_tree,
409
None, rev.revision_id, parent_trees, lookup_object,
410
(base_mode, stat.S_IFDIR), store_updater,
411
mapping.generate_file_id,
412
allow_submodules=repo._format.supports_tree_reference)
369
413
if unusual_modes != {}:
370
414
for path, mode in unusual_modes.iteritems():
371
415
warn_unusual_mode(rev.foreign_revid, path, mode)
374
418
basis_id = rev.parent_ids[0]
375
419
except IndexError:
376
420
basis_id = NULL_REVISION
378
rev.inventory_sha1, inv = repo.add_inventory_by_delta(basis_id,
379
inv_delta, rev.revision_id, rev.parent_ids, base_inv)
380
# FIXME: Check verifiers
381
testament = StrictTestament3(rev, inv)
382
calculated_verifiers = { "testament3-sha1": testament.as_sha1() }
383
if roundtrip_revid is not None:
384
original_revid = rev.revision_id
385
rev.revision_id = roundtrip_revid
421
base_bzr_inventory = None
423
base_bzr_inventory = base_bzr_tree.root_inventory
424
rev.inventory_sha1, inv = repo.add_inventory_by_delta(
425
basis_id, inv_delta, rev.revision_id, rev.parent_ids,
427
ret_tree = InventoryRevisionTree(repo, inv, rev.revision_id)
429
if verifiers and roundtrip_revid is not None:
430
testament = StrictTestament3(rev, ret_tree)
431
calculated_verifiers = {"testament3-sha1": testament.as_sha1()}
386
432
if calculated_verifiers != verifiers:
387
433
trace.mutter("Testament SHA1 %r for %r did not match %r.",
388
434
calculated_verifiers["testament3-sha1"],
389
435
rev.revision_id, verifiers["testament3-sha1"])
390
436
rev.revision_id = original_revid
437
rev.inventory_sha1, inv = repo.add_inventory_by_delta(
438
basis_id, inv_delta, rev.revision_id, rev.parent_ids,
440
ret_tree = InventoryRevisionTree(repo, inv, rev.revision_id)
442
calculated_verifiers = {}
391
443
store_updater.add_object(o, calculated_verifiers, None)
392
444
store_updater.finish()
393
ret_tree = RevisionTree(repo, inv, rev.revision_id)
394
445
trees_cache.add(ret_tree)
395
446
repo.add_revision(rev.revision_id, rev)
396
447
if "verify" in debug.debug_flags:
397
verify_commit_reconstruction(target_git_object_retriever,
398
lookup_object, o, rev, ret_tree, parent_trees, mapping,
448
verify_commit_reconstruction(
449
target_git_object_retriever, lookup_object, o, rev, ret_tree,
450
parent_trees, mapping, unusual_modes, verifiers)
402
453
def import_git_objects(repo, mapping, object_iter,
403
target_git_object_retriever, heads, pb=None, limit=None):
454
target_git_object_retriever, heads, pb=None,
404
456
"""Import a set of git objects into a bzr repository.
406
458
:param repo: Target Bazaar repository
478
535
return pack_hints, last_imported
481
class InterGitRepository(InterRepository):
483
_matching_repo_format = GitRepositoryFormat()
486
def _get_repo_format_to_test():
489
def copy_content(self, revision_id=None, pb=None):
490
"""See InterRepository.copy_content."""
491
self.fetch(revision_id, pb, find_ghosts=False)
494
class InterGitNonGitRepository(InterGitRepository):
495
"""Base InterRepository that copies revisions from a Git into a non-Git
498
def fetch_objects(self, determine_wants, mapping, pb=None, limit=None):
499
"""Fetch objects from a remote server.
501
:param determine_wants: determine_wants callback
502
:param mapping: BzrGitMapping to use
503
:param pb: Optional progress bar
504
:param limit: Maximum number of commits to import.
505
:return: Tuple with pack hint, last imported revision id and remote refs
507
raise NotImplementedError(self.fetch_objects)
509
def fetch(self, revision_id=None, pb=None, find_ghosts=False,
510
mapping=None, fetch_spec=None):
512
mapping = self.source.get_mapping()
513
if revision_id is not None:
514
interesting_heads = [revision_id]
515
elif fetch_spec is not None:
516
interesting_heads = fetch_spec.heads
518
interesting_heads = None
519
def determine_wants(refs):
520
if interesting_heads is None:
521
ret = [sha for (ref, sha) in refs.iteritems() if not ref.endswith("^{}")]
523
ret = [self.source.lookup_bzr_revision_id(revid)[0] for revid in interesting_heads if revid not in (None, NULL_REVISION)]
524
return [rev for rev in ret if not self.target.has_revision(self.source.lookup_foreign_revision_id(rev))]
525
(pack_hint, _, remote_refs) = self.fetch_objects(determine_wants, mapping, pb)
526
if pack_hint is not None and self.target._format.pack_compresses:
527
self.target.pack(hint=pack_hint)
531
_GIT_PROGRESS_RE = re.compile(r"(.*?): +(\d+)% \((\d+)/(\d+)\)")
532
def report_git_progress(pb, text):
533
text = text.rstrip("\r\n")
534
g = _GIT_PROGRESS_RE.match(text)
536
(text, pct, current, total) = g.groups()
537
pb.update(text, int(current), int(total))
539
pb.update(text, 0, 0)
542
538
class DetermineWantsRecorder(object):
544
540
def __init__(self, actual):
547
543
self.remote_refs = {}
549
545
def __call__(self, refs):
546
if type(refs) is not dict:
547
raise TypeError(refs)
550
548
self.remote_refs = refs
551
549
self.wants = self.actual(refs)
552
550
return self.wants
555
class InterRemoteGitNonGitRepository(InterGitNonGitRepository):
556
"""InterRepository that copies revisions from a remote Git into a non-Git
559
def get_target_heads(self):
560
# FIXME: This should be more efficient
561
all_revs = self.target.all_revision_ids()
562
parent_map = self.target.get_parent_map(all_revs)
564
map(all_parents.update, parent_map.itervalues())
565
return set(all_revs) - all_parents
567
def fetch_objects(self, determine_wants, mapping, pb=None, limit=None):
568
"""See `InterGitNonGitRepository`."""
570
report_git_progress(pb, text)
571
store = BazaarObjectStore(self.target, mapping)
572
self.target.lock_write()
574
heads = self.get_target_heads()
575
graph_walker = store.get_graph_walker(
576
[store._lookup_revision_sha1(head) for head in heads])
577
wants_recorder = DetermineWantsRecorder(determine_wants)
581
create_pb = pb = ui.ui_factory.nested_progress_bar()
583
objects_iter = self.source.fetch_objects(
584
wants_recorder, graph_walker, store.get_raw,
586
(pack_hint, last_rev) = import_git_objects(self.target, mapping,
587
objects_iter, store, wants_recorder.wants, pb, limit)
588
return (pack_hint, last_rev, wants_recorder.remote_refs)
596
def is_compatible(source, target):
597
"""Be compatible with GitRepository."""
598
return (isinstance(source, RemoteGitRepository) and
599
target.supports_rich_root() and
600
not isinstance(target, GitRepository) and
601
target.texts is not None)
604
class InterLocalGitNonGitRepository(InterGitNonGitRepository):
605
"""InterRepository that copies revisions from a local Git into a non-Git
608
def fetch_objects(self, determine_wants, mapping, pb=None, limit=None):
609
"""See `InterGitNonGitRepository`."""
610
remote_refs = self.source._git.get_refs()
611
wants = determine_wants(remote_refs)
614
create_pb = pb = ui.ui_factory.nested_progress_bar()
615
target_git_object_retriever = BazaarObjectStore(self.target, mapping)
617
self.target.lock_write()
619
(pack_hint, last_rev) = import_git_objects(self.target, mapping,
620
self.source._git.object_store,
621
target_git_object_retriever, wants, pb, limit)
622
return (pack_hint, last_rev, remote_refs)
630
def is_compatible(source, target):
631
"""Be compatible with GitRepository."""
632
return (isinstance(source, LocalGitRepository) and
633
target.supports_rich_root() and
634
not isinstance(target, GitRepository) and
635
target.texts is not None)
638
class InterGitGitRepository(InterGitRepository):
639
"""InterRepository that copies between Git repositories."""
641
def fetch_objects(self, determine_wants, mapping, pb=None):
643
trace.note("git: %s", text)
644
graphwalker = self.target._git.get_graph_walker()
645
if (isinstance(self.source, LocalGitRepository) and
646
isinstance(self.target, LocalGitRepository)):
647
refs = self.source._git.fetch(self.target._git, determine_wants,
649
return (None, None, refs)
650
elif (isinstance(self.source, LocalGitRepository) and
651
isinstance(self.target, RemoteGitRepository)):
652
raise NotImplementedError
653
elif (isinstance(self.source, RemoteGitRepository) and
654
isinstance(self.target, LocalGitRepository)):
655
f, commit = self.target._git.object_store.add_thin_pack()
657
refs = self.source.bzrdir.root_transport.fetch_pack(
658
determine_wants, graphwalker, f.write, progress)
660
return (None, None, refs)
667
def fetch(self, revision_id=None, pb=None, find_ghosts=False,
668
mapping=None, fetch_spec=None, branches=None):
670
mapping = self.source.get_mapping()
672
if revision_id is not None:
673
args = [mapping.revision_id_bzr_to_foreign(revision_id)[0]]
674
elif fetch_spec is not None:
675
args = [mapping.revision_id_bzr_to_foreign(revid)[0] for revid in fetch_spec.heads]
676
if branches is not None:
677
determine_wants = lambda x: [x[y] for y in branches if not x[y] in r.object_store]
678
elif fetch_spec is None and revision_id is None:
679
determine_wants = r.object_store.determine_wants_all
681
determine_wants = lambda x: [y for y in args if not y in r.object_store]
682
self.fetch_objects(determine_wants, mapping)
685
def is_compatible(source, target):
686
"""Be compatible with GitRepository."""
687
return (isinstance(source, GitRepository) and
688
isinstance(target, GitRepository))
added
removed
breezy/git/fetch.py
