comparison hgext3rd/topic/revset.py @ 4339:0f015fe4f71f

topic: make revsets like 'foo#topic[0]' work

Essentially, 'topic' relation subscript function is the same as 'generations',
but is limited to revisions marked with one particular topic.

4338:e2350851740a

                revs.append(rev)
        return subset & revset.baseset(revs)

    revset.subscriptrelations['stack'] = stackrel
    revset.subscriptrelations['s'] = stackrel

4339:0f015fe4f71f

                revs.append(rev)
        return subset & revset.baseset(revs)

    revset.subscriptrelations['stack'] = stackrel
    revset.subscriptrelations['s'] = stackrel

    def topicrel(repo, subset, x, rel, n, order):
        ancestors = revset._ancestors
        descendants = revset._descendants
        subset = topicset(repo, subset, x)
        if n <= 0:
            n = -n
            return ancestors(repo, subset, x, startdepth=n, stopdepth=n + 1)
        else:
            return descendants(repo, subset, x, startdepth=n, stopdepth=n + 1)

    revset.subscriptrelations['topic'] = topicrel
    revset.subscriptrelations['t'] = topicrel