/brz/remove-bazaar

import re

    BzrError,

    TreeReference,

    ChunkedContentFactory,

    LRUInventoryCache,

    GitRepository,

def import_git_blob(texts, mapping, path, hexsha, base_inv, base_inv_shamap,

    base_ie, parent_id, revision_id, parent_invs, lookup_object,

    executable, symlink):

    if base_ie is None:

            base_sha = base_inv_shamap.lookup_blob(file_id, base_ie.revision)

        if ie.kind == 'symlink':

            chunks = []

        else: 

            try:

                chunks = blob.chunked

            except AttributeError: # older version of dulwich

                chunks = [blob.data]

        texts.insert_record_stream([ChunkedContentFactory((file_id, ie.revision), tuple(parent_keys), ie.text_sha1, chunks)])

    shamap = { ie.file_id: hexsha }

    invdelta = []

    if base_ie is not None:

        if base_ie.kind == "directory":

            invdelta.extend(remove_disappeared_children(old_path, base_ie.children, []))

    invdelta.append((old_path, path, file_id, ie))

class SubmodulesRequireSubtrees(BzrError):

    _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'."""

    internal = False

 

 

def import_git_submodule(texts, mapping, path, hexsha, base_inv, base_ie,

    parent_id, revision_id, parent_invs, lookup_object):

    file_id = mapping.generate_file_id(path)

    ie = TreeReference(file_id, urlutils.basename(path.decode("utf-8")),

        parent_id)

    ie.revision = revision_id

    if base_ie is None:

        oldpath = None

    else:

        oldpath = path

        if (base_ie.kind == ie.kind and

            base_ie.reference_revision == ie.reference_revision):

            ie.revision = base_ie.revision

    ie.reference_revision = mapping.revision_id_foreign_to_bzr(hexsha)

    texts.insert_record_stream([ChunkedContentFactory((file_id, ie.revision), (), None, [])])

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

    return invdelta, {}, {}

 

 

def remove_disappeared_children(path, base_children, existing_children):

    deletable = [(osutils.pathjoin(path, k), v) for k,v in base_children.iteritems() if k not in existing_children]

        (path, ie) = deletable.pop()

        ret.append((path, None, ie.file_id, None))

            for name, child_ie in ie.children.iteritems():

                deletable.append((osutils.pathjoin(path, name), child_ie))

def import_git_tree(texts, mapping, path, hexsha, base_inv, base_inv_shamap,

    base_ie, parent_id, revision_id, parent_invs, lookup_object,

    allow_submodules=False):

    ie = InventoryDirectory(file_id, urlutils.basename(path.decode("utf-8")),

    if base_ie is None:

        texts.insert_record_stream([ChunkedContentFactory((file_id, ie.revision), (), None, [])])

            base_sha = base_inv_shamap.lookup_tree(file_id)

        except (KeyError, NotImplementedError):

            texts.insert_record_stream([ChunkedContentFactory((ie.file_id, ie.revision), (), None, [])])

    if base_ie is not None and base_ie.kind == "directory":

        base_children = base_ie.children

    else:

        base_children = {}

    shamap = {}

                    texts, mapping, child_path, child_hexsha, base_inv,

                    base_inv_shamap, base_children.get(basename), file_id,

                    revision_id, parent_invs, lookup_object,

                    allow_submodules=allow_submodules)

            if not allow_submodules:

                raise SubmodulesRequireSubtrees()

                    texts, mapping, child_path, child_hexsha, base_inv, base_children.get(basename),

                    file_id, revision_id, parent_invs, lookup_object)

            subinvdelta, subshamap = import_git_blob(texts, mapping,

                    child_path, child_hexsha, base_inv, base_inv_shamap,

                    base_children.get(basename), file_id,

                    revision_id, parent_invs, lookup_object,

            grandchildmodes = {}

        child_modes.update(grandchildmodes)

        invdelta.extend(subinvdelta)

        shamap.update(subshamap)

    if base_ie is not None and base_ie.kind == "directory":

        invdelta.extend(remove_disappeared_children(base_inv.id2path(file_id),

            base_children, existing_children))

    shamap[file_id] = hexsha

def import_git_commit(repo, mapping, head, lookup_object,

                      target_git_object_retriever, parent_invs_cache):

    o = lookup_object(head)

    rev = mapping.import_commit(o)

    # We have to do this here, since we have to walk the tree and

    # we need to make sure to import the blobs / trees with the right

    # path; this may involve adding them more than once.

    parent_invs = parent_invs_cache.get_inventories(rev.parent_ids)

    if parent_invs == []:

        base_inv = Inventory(root_id=None)

        base_ie = None

        base_inv_shamap = None # Should never be accessed

    else:

        base_inv = parent_invs[0]

        base_ie = base_inv.root

        base_inv_shamap = target_git_object_retriever._idmap.get_inventory_sha_map(base_inv.revision_id)

    inv_delta, unusual_modes, shamap = import_git_tree(repo.texts,

            mapping, "", o.tree, base_inv, base_inv_shamap, base_ie, None,

            rev.revision_id, parent_invs, lookup_object,

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

    entries = []

    for (oldpath, newpath, fileid, new_ie) in inv_delta:

        if newpath is None:

            entries.append((fileid, None, None, None))

        else:

            if new_ie.kind in ("file", "symlink"):

                entries.append((fileid, "blob", shamap[fileid], new_ie.revision))

            elif new_ie.kind == "directory":

                entries.append((fileid, "tree", shamap[fileid], rev.revision_id))

            else:

                raise AssertionError

    target_git_object_retriever._idmap.add_entries(rev.revision_id,

        rev.parent_ids, head, o.tree, entries)

    if unusual_modes != {}:

        for path, mode in unusual_modes.iteritems():

            warn_unusual_mode(rev.foreign_revid, path, mode)

        mapping.import_unusual_file_modes(rev, unusual_modes)

    try:

        basis_id = rev.parent_ids[0]

    except IndexError:

        basis_id = NULL_REVISION

        base_inv = None

    rev.inventory_sha1, inv = repo.add_inventory_by_delta(basis_id,

              inv_delta, rev.revision_id, rev.parent_ids,

              base_inv)

    parent_invs_cache.add(rev.revision_id, inv)

    repo.add_revision(rev.revision_id, rev)

    if "verify" in debug.debug_flags:

        new_unusual_modes = mapping.export_unusual_file_modes(rev)

        if new_unusual_modes != unusual_modes:

            raise AssertionError("unusual modes don't match: %r != %r" % (unusual_modes, new_unusual_modes))

        objs = inventory_to_tree_and_blobs(inv, repo.texts, mapping, unusual_modes)

        for newsha1, newobj, path in objs:

            assert path is not None

            if path == "":

                oldsha1 = o.tree

            else:

                (oldmode, oldsha1) = tree_lookup_path(lookup_object, o.tree, path)

            if oldsha1 != newsha1:

                raise AssertionError("%r != %r in %s" % (oldsha1, newsha1, path))

 

 

def import_git_objects(repo, mapping, object_iter,

    target_git_object_retriever, heads, pb=None, limit=None):

    :return: Tuple with pack hints and last imported revision id

    heads = list(set(heads))

    parent_invs_cache = LRUInventoryCache(repo)

    target_git_object_retriever.start_write_group() # FIXME: try/finally

            graph.append((o.id, o.parents))

            if o.object[1] not in checked:

                heads.append(o.object[1])

        checked.add(o.id)

    del checked

    batch_size = 100

    revision_ids = topo_sort(graph)

    pack_hints = []

    if limit is not None:

        revision_ids = revision_ids[:limit]

    last_imported = None

    for offset in range(0, len(revision_ids), batch_size):

        repo.start_write_group()

        try:

            for i, head in enumerate(revision_ids[offset:offset+batch_size]):

                if pb is not None:

                    pb.update("fetching revisions", offset+i, len(revision_ids))

                import_git_commit(repo, mapping, head, lookup_object,

                                  target_git_object_retriever,

                                  parent_invs_cache)

                last_imported = head

        except:

            repo.abort_write_group()

            raise

            hint = repo.commit_write_group()

            if hint is not None:

                pack_hints.extend(hint)

    target_git_object_retriever.commit_write_group()

    return pack_hints, last_imported

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

        mapping=None, fetch_spec=None):

        self.fetch_refs(revision_id=revision_id, pb=pb,

            find_ghosts=find_ghosts, mapping=mapping, fetch_spec=fetch_spec)

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

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

        (pack_hint, _) = 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)

        if interesting_heads is not None:

            present_interesting_heads = self.target.has_revisions(interesting_heads)

            missing_interesting_heads = set(interesting_heads) - present_interesting_heads

            if missing_interesting_heads:

                raise AssertionError("Missing interesting heads: %r" % missing_interesting_heads)

_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)

 

 

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

    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):

            report_git_progress(pb, text)

            heads = self.get_target_heads()

 

                objects_iter = self.source.fetch_objects(

                            record_determine_wants, graph_walker,

                            store.get_raw, progress)

                return import_git_objects(self.target, mapping,

                    objects_iter, store, recorded_wants, pb, limit)

        return (isinstance(source, RemoteGitRepository) and

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

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

        """Fetch objects.

        """

                return import_git_objects(self.target, mapping,

                    self.source._git.object_store,

                    target_git_object_retriever, wants, pb, limit)

        return (isinstance(source, LocalGitRepository) and

    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

            isinstance(self.target, LocalGitRepository)):

            return self.source._git.fetch(self.target._git, determine_wants,

                progress)

        elif (isinstance(self.source, LocalGitRepository) and

              isinstance(self.target, RemoteGitRepository)):

            raise NotImplementedError

        elif (isinstance(self.source, RemoteGitRepository) and

              isinstance(self.target, LocalGitRepository)):

            f, commit = self.target._git.object_store.add_thin_pack()

            try:

                refs = self.source._git.fetch_pack(determine_wants,

                    graphwalker, f.write, progress)

                commit()

                return refs

            except:

                f.close()

                raise

        else:

            raise AssertionError

 

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

        return self.fetch_objects(determine_wants, mapping)[0]

        return (isinstance(source, GitRepository) and