# HG changeset patch
# User Anton Shestakov <av6@dwimlabs.net>
# Date 1588664623 -28800
# Node ID b55c0cea3fa2eabb1cbea0c9b3633e38cd7ec20b
# Parent  3847dedd12d773fd1b809b50e618a75ea9907f88
obshistory: omit duplicate notes of obsolescence operations

When folding changesets, it's possible to provide a --note flag to e.g. fold or
prune, which will store a note for that operation. But since there would be
more than one marker for the fold operation and the provided note would be
stored in all of them, _markersnotes() previously would return the same text
message many times. We don't really want to see the same thing over and over,
so let's make notes a set().

This will also make unrelated operations with the same note show the message
only once, which is probably an improvement too.

diff -r 3847dedd12d7 -r b55c0cea3fa2 hgext3rd/evolve/obshistory.py
--- a/hgext3rd/evolve/obshistory.py	Tue May 05 20:25:33 2020 +0200
+++ b/hgext3rd/evolve/obshistory.py	Tue May 05 15:43:43 2020 +0800
@@ -711,7 +711,7 @@
 
 def _markersnotes(markers):
     markersmeta = [dict(m[3]) for m in markers]
-    notes = [meta.get(b'note') for meta in markersmeta]
+    notes = {meta.get(b'note') for meta in markersmeta}
     return sorted(note for note in notes if note)
 
 EFFECTMAPPING = util.sortdict([