comparison mercurial/changegroup.py @ 43132:8f807a83d53b

sidedata: use only changegroup3 if sidedata is in use

This is necessary to exchange the flags over the wire (and within bundles).

Differential Revision: https://phab.mercurial-scm.org/D6940

43131:c17a63eb5d4c

        # contains both normal and tree manifest at the same time. so using
        # older version to pull data is viable
        #
        # (or even to push subset of history)
        needv03 = True
    if not needv03:
        versions.discard(b'03')
    return versions

43132:8f807a83d53b

        # contains both normal and tree manifest at the same time. so using
        # older version to pull data is viable
        #
        # (or even to push subset of history)
        needv03 = True
    if b'exp-sidedata-flag' in repo.requirements:
        needv03 = True
        # don't attempt to use 01/02 until we do sidedata cleaning
        versions.discard(b'01')
        versions.discard(b'02')
    if not needv03:
        versions.discard(b'03')
    return versions