# Dummy extension to define a namespace containing revision names

from __future__ import absolute_import

from mercurial import namespaces

def reposetup(ui, repo):

    names = {b'r%d' % rev: repo[rev].node() for rev in repo}

    namemap = lambda r, name: names.get(name)

    nodemap = lambda r, node: [b'r%d' % repo[node].rev()]

    ns = namespaces.namespace(

        b'revnames',

        templatename=b'revname',

        logname=b'revname',

        listnames=lambda r: names.keys(),

        namemap=namemap,

        nodemap=nodemap,

    )

    repo.names.addnamespace(ns)