/brz/remove-bazaar

# Copyright (C) 2008-2010 Jelmer Vernooij <jelmer@samba.org>

# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

from itertools import (

    imap,

    )

import re

from bzrlib import (

from bzrlib.errors import (

    NoSuchId,

from bzrlib.inventory import (

    Inventory,

from bzrlib.repository import (

from bzrlib.revision import (

from bzrlib.revisiontree import (

    RevisionTree,

    )

from bzrlib.testament import (

from bzrlib.tsort import (

from bzrlib.versionedfile import (

from bzrlib.plugins.git.mapping import (

from bzrlib.plugins.git.object_store import (

    BazaarObjectStore,

from bzrlib.plugins.git.remote import (

from bzrlib.plugins.git.repository import (

def import_git_blob(texts, mapping, path, name, (base_hexsha, hexsha), 

        base_inv, parent_id, revision_id,

        parent_invs, lookup_object, (base_mode, mode), store_updater,

    if mapping.is_control_file(path):

        base_ie = base_inv[base_inv.path2id(path)]

        ie.text_size = base_ie.text_size

        ie.text_sha1 = base_ie.text_sha1

            ie.symlink_target = base_ie.symlink_target

        if ie.executable == base_ie.executable:

            ie.revision = base_ie.revision

            ie.symlink_target = blob.data

            ie.text_size = sum(imap(len, blob.chunked))

    for pinv in parent_invs:

            pie = pinv[file_id]

        except NoSuchId:

        if (pie.text_sha1 == ie.text_sha1 and

            pie.executable == ie.executable and

            pie.symlink_target == ie.symlink_target):

            ie.revision = pie.revision

        parent_key = (file_id, pie.revision)

        assert ie.revision is not None

        else: 

            invdelta.extend(remove_disappeared_children(base_inv, old_path,

        store_updater.add_object(blob, ie, path)

    _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'."""

def import_git_submodule(texts, mapping, path, name, (base_hexsha, hexsha),

    base_inv, parent_id, revision_id, parent_invs, lookup_object,

    (base_mode, mode), store_updater, lookup_file_id):

    if base_hexsha is None:

        oldpath = None

        oldpath = path

    invdelta = [(oldpath, path, file_id, ie)]

def remove_disappeared_children(base_inv, path, base_tree, existing_children,

    :param base_inv: Base inventory against which to generate the 

    assert type(path) is unicode

        file_id = base_inv.path2id(c_path)

        assert file_id is not None

                base_inv, c_path, lookup_object(hexsha), [], lookup_object))

def import_git_tree(texts, mapping, path, name, (base_hexsha, hexsha),

        base_inv, parent_id, revision_id, parent_invs,

        lookup_object, (base_mode, mode), store_updater,

    :param base_inv: Base inventory against which to return inventory delta

    assert type(path) is str

    assert type(name) is str

    for child_mode, name, child_hexsha in tree.entries():

                child_path, name, (child_base_hexsha, child_hexsha), base_inv,

                file_id, revision_id, parent_invs, lookup_object, 

                (child_base_mode, child_mode), store_updater, lookup_file_id,

                allow_submodules=allow_submodules)

                child_path, name, (child_base_hexsha, child_hexsha), base_inv,

                file_id, revision_id, parent_invs, lookup_object,

                (child_base_mode, child_mode), store_updater, lookup_file_id)

            subinvdelta = import_git_blob(texts, mapping, child_path, name,

                (child_base_hexsha, child_hexsha), base_inv, file_id,

                revision_id, parent_invs, lookup_object,

                (child_base_mode, child_mode), store_updater, lookup_file_id)

                        stat.S_IFLNK, DEFAULT_FILE_MODE|0111):

        invdelta.extend(remove_disappeared_children(base_inv, old_path,

    store_updater.add_object(tree, ie, path)

    o, rev, ret_tree, parent_trees, mapping, unusual_modes):

    rec_o = target_git_object_retriever._reconstruct_commit(rev, o.tree, True)

        target_git_object_retriever._cache.idmap, unusual_modes, mapping.BZR_DUMMY_FILE):

    rev, roundtrip_revid, verifiers = mapping.import_commit(o,

            lambda x: target_git_object_retriever.lookup_git_sha(x)[1][0])

        base_inv = Inventory(root_id=None)

        base_inv = parent_trees[0].inventory

    fileid_map = mapping.get_fileid_map(lookup_object, o.tree)

            mapping, "", "", (base_tree, o.tree), base_inv,

            None, rev.revision_id, [p.inventory for p in parent_trees],

            fileid_map.lookup_file_id,

            allow_submodules=getattr(repo._format, "supports_tree_reference", False))

        base_inv = None

              inv_delta, rev.revision_id, rev.parent_ids, base_inv)

    # FIXME: Check verifiers

    testament = StrictTestament3(rev, inv)

    calculated_verifiers = { "testament3-sha1": testament.as_sha1() }

    if roundtrip_revid is not None:

        original_revid = rev.revision_id

        rev.revision_id = roundtrip_revid

    ret_tree = RevisionTree(repo, inv, rev.revision_id)

        verify_commit_reconstruction(target_git_object_retriever, 

            unusual_modes)

        assert isinstance(head, str)

                lambda x: None)

        target_git_object_retriever.start_write_group() 

class InterGitRepository(InterRepository):

 

    _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)

 

 

class InterGitNonGitRepository(InterGitRepository):

    """Base InterRepository that copies revisions from a Git into a non-Git

    repository."""

 

    def fetch_objects(self, determine_wants, mapping, pb=None, limit=None):

        """Fetch objects from a remote server.

 

        :param determine_wants: determine_wants callback

        :param mapping: BzrGitMapping to use

        :param pb: Optional progress bar

        :param limit: Maximum number of commits to import.

        :return: Tuple with pack hint, last imported revision id and remote refs

        """

        raise NotImplementedError(self.fetch_objects)

 

    def fetch(self, revision_id=None, pb=None, find_ghosts=False,

              mapping=None, fetch_spec=None):

        if mapping is None:

            mapping = self.source.get_mapping()

        if revision_id is not None:

            interesting_heads = [revision_id]

        elif fetch_spec is not None:

            interesting_heads = fetch_spec.heads

        else:

            interesting_heads = None

        def determine_wants(refs):

            if interesting_heads is None:

                ret = [sha for (ref, sha) in refs.iteritems() if not ref.endswith("^{}")]

            else:

                ret = [self.source.lookup_bzr_revision_id(revid)[0] for revid in interesting_heads if revid not in (None, NULL_REVISION)]

            return [rev for rev in ret if not self.target.has_revision(self.source.lookup_foreign_revision_id(rev))]

        (pack_hint, _, remote_refs) = self.fetch_objects(determine_wants, mapping, pb)

        if pack_hint is not None and self.target._format.pack_compresses:

            self.target.pack(hint=pack_hint)

        return remote_refs

 

 

_GIT_PROGRESS_RE = re.compile(r"(.*?): +(\d+)% \((\d+)/(\d+)\)")

def report_git_progress(pb, text):

    text = text.rstrip("\r\n")

    g = _GIT_PROGRESS_RE.match(text)

    if g is not None:

        (text, pct, current, total) = g.groups()

        pb.update(text, int(current), int(total))

    else:

        pb.update(text, 0, 0)

 

 

class InterRemoteGitNonGitRepository(InterGitNonGitRepository):

    """InterRepository that copies revisions from a remote Git into a non-Git

    repository."""

 

    def get_target_heads(self):

        # FIXME: This should be more efficient

        all_revs = self.target.all_revision_ids()

        parent_map = self.target.get_parent_map(all_revs)

        all_parents = set()

        map(all_parents.update, parent_map.itervalues())

        return set(all_revs) - all_parents

 

    def fetch_objects(self, determine_wants, mapping, pb=None, limit=None):

        """See `InterGitNonGitRepository`."""

        def progress(text):

            report_git_progress(pb, text)

        store = BazaarObjectStore(self.target, mapping)

        self.target.lock_write()

        try:

            heads = self.get_target_heads()

            graph_walker = store.get_graph_walker(

                    [store._lookup_revision_sha1(head) for head in heads])

            wants_recorder = DetermineWantsRecorder(determine_wants)

 

            create_pb = None

            if pb is None:

                create_pb = pb = ui.ui_factory.nested_progress_bar()

            try:

                objects_iter = self.source.fetch_objects(

                    wants_recorder, graph_walker, store.get_raw,

                    progress)

                (pack_hint, last_rev) = import_git_objects(self.target, mapping,

                    objects_iter, store, wants_recorder.wants, pb, limit)

                return (pack_hint, last_rev, wants_recorder.remote_refs)

            finally:

                if create_pb:

                    create_pb.finished()

        finally:

            self.target.unlock()

 

    @staticmethod

    def is_compatible(source, target):

        """Be compatible with GitRepository."""

        return (isinstance(source, RemoteGitRepository) and

                target.supports_rich_root() and

                not isinstance(target, GitRepository) and

                target.texts is not None)

 

 

class InterLocalGitNonGitRepository(InterGitNonGitRepository):

    """InterRepository that copies revisions from a local Git into a non-Git

    repository."""

 

    def fetch_objects(self, determine_wants, mapping, pb=None, limit=None):

        """See `InterGitNonGitRepository`."""

        remote_refs = self.source._git.get_refs()

        wants = determine_wants(remote_refs)

        create_pb = None

        if pb is None:

            create_pb = pb = ui.ui_factory.nested_progress_bar()

        target_git_object_retriever = BazaarObjectStore(self.target, mapping)

        try:

            self.target.lock_write()

            try:

                (pack_hint, last_rev) = import_git_objects(self.target, mapping,

                    self.source._git.object_store,

                    target_git_object_retriever, wants, pb, limit)

                return (pack_hint, last_rev, remote_refs)

            finally:

                self.target.unlock()

        finally:

            if create_pb:

                create_pb.finished()

 

    @staticmethod

    def is_compatible(source, target):

        """Be compatible with GitRepository."""

        return (isinstance(source, LocalGitRepository) and

                target.supports_rich_root() and

                not isinstance(target, GitRepository) and

                target.texts is not None)

 

 

class InterGitGitRepository(InterGitRepository):

    """InterRepository that copies between Git repositories."""

 

    def fetch_objects(self, determine_wants, mapping, pb=None):

        def progress(text):

            trace.note("git: %s", text)

        graphwalker = self.target._git.get_graph_walker()

        if (isinstance(self.source, LocalGitRepository) and