/brz/remove-bazaar

import base64

try:

    from bzrlib import bencode

except ImportError:

    from bzrlib.util import bencode

    ForeignVcs,

    VcsMappingRegistry,

from bzrlib.revision import (

    NULL_REVISION,

    )

from bzrlib.plugins.git.hg import (

    format_hg_metadata,

    extract_hg_metadata,

    trace.mutter("Unusual file mode %o for %s in %s. Storing as revision property. ",

                 mode, path, commit)

 

 

def squash_revision(target_repo, rev):

    """Remove characters that can't be stored from a revision, if necessary.

 

    :param target_repo: Repository in which the revision will be stored

    :param rev: Revision object, will be modified in-place

    """

    if not getattr(target_repo._serializer, "squashes_xml_invalid_characters", True):

        return

    from bzrlib.xml_serializer import escape_invalid_chars

    rev.message, num_escaped = escape_invalid_chars(rev.message)

    if num_escaped:

        warn_escaped(rev.foreign_revid, num_escaped)

    if 'author' in rev.properties:

        rev.properties['author'], num_escaped = escape_invalid_chars(

            rev.properties['author'])

        if num_escaped:

            warn_escaped(rev.foreign_revid, num_escaped)

    rev.committer, num_escaped = escape_invalid_chars(rev.committer)

    if num_escaped:

        warn_escaped(rev.foreign_revid, num_escaped)

    def import_unusual_file_modes(self, rev, unusual_file_modes):

        if unusual_file_modes:

            ret = [(name, unusual_file_modes[name]) for name in sorted(unusual_file_modes.keys())]

            rev.properties['file-modes'] = bencode.bencode(ret)

 

    def export_unusual_file_modes(self, rev):

        try:

            return dict([(self.generate_file_id(path), mode) for (path, mode) in bencode.bdecode(rev.properties['file-modes'].encode("utf-8"))])

        except KeyError:

            return {}

 

    def _generate_git_svn_metadata(self, rev):

        try:

            return "\ngit-svn-id: %s\n" % rev.properties["git-svn-id"].encode("utf-8")

        except KeyError:

            return ""

 

    def _generate_hg_message_tail(self, rev):

        extra = {}

        renames = []

        branch = 'default'

        for name in rev.properties:

            if name == 'hg:extra:branch':

                branch = rev.properties['hg:extra:branch']

            elif name.startswith('hg:extra'):

                extra[name[len('hg:extra:'):]] = base64.b64decode(rev.properties[name])

            elif name == 'hg:renames':

                renames = bencode.bdecode(base64.b64decode(rev.properties['hg:renames']))

            # TODO: Export other properties as 'bzr:' extras?

        ret = format_hg_metadata(renames, branch, extra)

        assert isinstance(ret, str)

        return ret

 

    def _extract_git_svn_metadata(self, rev, message):

        lines = message.split("\n")

        if not (lines[-1] == "" and lines[-2].startswith("git-svn-id:")):

            return message

        git_svn_id = lines[-2].split(": ", 1)[1]

        rev.properties['git-svn-id'] = git_svn_id

        (url, rev, uuid) = parse_git_svn_id(git_svn_id)

        # FIXME: Convert this to converted-from property somehow..

        ret = "\n".join(lines[:-2])

        assert isinstance(ret, str)

        return ret

 

    def _extract_hg_metadata(self, rev, message):

        (message, renames, branch, extra) = extract_hg_metadata(message)

        if branch is not None:

            rev.properties['hg:extra:branch'] = branch

        for name, value in extra.iteritems():

            rev.properties['hg:extra:' + name] = base64.b64encode(value)

        if renames:

            rev.properties['hg:renames'] = base64.b64encode(bencode.bencode([(new, old) for (old, new) in renames.iteritems()]))

        return message

 

    def _decode_commit_message(self, rev, message):

        return message.decode("utf-8", "replace")

 

    def _encode_commit_message(self, rev, message):

        return message.encode("utf-8")

 

    def export_commit(self, rev, tree_sha, parent_lookup):

        """Turn a Bazaar revision in to a Git commit

 

        :param tree_sha: Tree sha for the commit

        :param parent_lookup: Function for looking up the GIT sha equiv of a bzr revision

        :return dulwich.objects.Commit represent the revision:

        """

        from dulwich.objects import Commit

        commit = Commit()

        commit.tree = tree_sha

        for p in rev.parent_ids:

            try:

                git_p = parent_lookup(p)

            except KeyError:

                git_p = None

            if git_p is not None:

                assert len(git_p) == 40, "unexpected length for %r" % git_p

                commit.parents.append(git_p)

        commit.committer = fix_person_identifier(rev.committer.encode("utf-8"))

        commit.author = fix_person_identifier(rev.get_apparent_authors()[0].encode("utf-8"))

        commit.commit_time = long(rev.timestamp)

        if 'author-timestamp' in rev.properties:

            commit.author_time = long(rev.properties['author-timestamp'])

        else:

            commit.author_time = commit.commit_time

        commit.commit_timezone = rev.timezone

        if 'author-timezone' in rev.properties:

            commit.author_timezone = int(rev.properties['author-timezone'])

        else:

            commit.author_timezone = commit.commit_timezone

        commit.message = self._encode_commit_message(rev, rev.message)

        return commit

 

        rev.committer = str(commit.committer).decode("utf-8", "replace")

            rev.properties['author'] = str(commit.author).decode("utf-8", "replace")

        rev.message = self._decode_commit_message(rev, commit.message)

    def _decode_commit_message(self, rev, message):

        message = self._extract_hg_metadata(rev, message)

        message = self._extract_git_svn_metadata(rev, message)

        return message.decode("utf-8", "replace")

 

    def _encode_commit_message(self, rev, message):

        ret = message.encode("utf-8")

        ret += self._generate_hg_message_tail(rev)

        ret += self._generate_git_svn_metadata(rev)

        return ret

 

    def import_commit(self, commit):

        rev = super(BzrGitMappingExperimental, self).import_commit(commit)

        rev.properties['converted_revision'] = "git %s\n" % commit.id

        return rev

 

    """Registry with available git mappings."""

        if bzr_revid == NULL_REVISION:

            return "0" * 20, None

mapping_registry.set_default('git-v1')

    @property

    def branch_format(self):

        from bzrlib.plugins.git.branch import GitBranchFormat

        return GitBranchFormat()

 

    @property

    def repository_format(self):

        from bzrlib.plugins.git.repository import GitRepositoryFormat

        return GitRepositoryFormat()

 

        self.abbreviation = "git"

 

    @classmethod

    def serialize_foreign_revid(self, foreign_revid):

        return foreign_revid

default_mapping = mapping_registry.get_default()()

 

    """Check if mode should be considered executable."""

 

    """Determine the Bazaar inventory kind based on Unix file mode."""

def object_mode(kind, executable):

    if kind == 'directory':

    elif kind == 'symlink':

        mode = stat.S_IFLNK

        if executable:

            mode |= 0111

        return mode

    elif kind == 'file':

        if executable:

    elif kind == 'tree-reference':

        from dulwich.objects import S_IFGITLINK

        return S_IFGITLINK

def entry_mode(entry):

    """Determine the git file mode for an inventory entry."""

    return object_mode(entry.kind, entry.executable)

 

 

def directory_to_tree(entry, lookup_ie_sha1, unusual_modes):

        try:

            mode = unusual_modes[ie.file_id]

        except KeyError:

            mode = entry_mode(ie)

        hexsha = lookup_ie_sha1(ie)

        if hexsha is not None:

            tree.add(mode, name.encode("utf-8"), hexsha)

    if entry.parent_id is not None and len(tree) == 0:

        # Only the root can be an empty tree

        return None

def extract_unusual_modes(rev):

    try:

        foreign_revid, mapping = mapping_registry.parse_revision_id(rev.revision_id)

    except errors.InvalidRevisionId:

        return {}

    else:

        return mapping.export_unusual_file_modes(rev)

 

 

def inventory_to_tree_and_blobs(inventory, texts, mapping, unusual_modes, cur=None):

    # stack contains the set of trees that we haven't

            mode = unusual_modes.get(cur.encode("utf-8"), stat.S_IFDIR)

            t = (mode, urlutils.basename(cur).encode('UTF-8'), sha)

            mode = unusual_modes.get(path.encode("utf-8"), entry_mode(entry))

            tree.add(mode, name, sha)

        mode = unusual_modes.get(cur.encode('utf-8'), stat.S_IFDIR)

        t = (mode, urlutils.basename(cur).encode('UTF-8'), sha)

def parse_git_svn_id(text):

    (head, uuid) = text.rsplit(" ", 1)

    (full_url, rev) = head.rsplit("@", 1)

    return (full_url, int(rev), uuid)