hg_delta_editor: fix parent revision detection on branch copy Project items copyfrom revisions are irrelevant to parent revision detection, only the project one or those of its ancestors matter. Items copyfrom is useful when retrieving items content. Former code resulted in incorrect converted graph for pyglet repository, especially on the following revision: ------------------------------------------------------------------------ r274 | r1chardj0n3s | 2006-12-21 02:02:14 +0100 (Jeu, 21 Dec 2006) | 2 lines Changed paths: A /branches/richard-glx-version (from /trunk:269) M /branches/richard-glx-version/pyglet/window/xlib/__init__.py R /branches/richard-glx-version/tests/test.py (from /trunk/tests/test.py:270) R /branches/richard-glx-version/tools/info.py (from /trunk/tools/info.py:272) R /branches/richard-glx-version/website/get_involved.php (from /trunk/website/get_involved.php:273) Branching to horribly mangle GLX

import pickle

from mercurial import node

import hg_delta_editor


def tags_from_tag_info(repo):
    hg_editor = hg_delta_editor.HgChangeReceiver(repo=repo)
    for tag, source in hg_editor.tags.iteritems():
        source_ha = hg_editor.get_parent_revision(source[1]+1, source[0])
        yield 'tag/%s'%tag, node.hex(source_ha)


def generate_repo_class(ui, repo):

    class svntagrepo(repo.__class__):
        def tags(self):
            tags = dict((k, node.bin(v))
                        for k,v in tags_from_tag_info(self))
            hg_tags = super(svntagrepo, self).tags()
            tags.update(hg_tags)
            return tags

    return svntagrepo