--- a/hgext3rd/topic/revset.py Thu Jan 10 17:30:01 2019 +0100
+++ b/hgext3rd/topic/revset.py Wed Dec 26 14:52:07 2018 +0800
@@ -142,3 +142,16 @@
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