mercurial/exchangev2.py

43545:9c1f4e2f1fc4

    # If a remote head is filtered locally, put it back in the common set.
    # See the comment in exchange._pulldiscoverychangegroup() for more.

    if fetch and remoteheads:
        nodemap = repo.unfiltered().changelog.nodemap

        common |= {head for head in remoteheads if head in nodemap}

        if set(remoteheads).issubset(common):
            fetch = []

    common.discard(nullid)

43546:a166fadf5c3b

    # If a remote head is filtered locally, put it back in the common set.
    # See the comment in exchange._pulldiscoverychangegroup() for more.

    if fetch and remoteheads:
        has_node = repo.unfiltered().changelog.index.has_node

        common |= {head for head in remoteheads if has_node(head)}

        if set(remoteheads).issubset(common):
            fetch = []

    common.discard(nullid)