# HG changeset patch
# User Pierre-Yves David <pierre-yves.david@fb.com>
# Date 1412817441 25200
# Node ID 1a39b1b8e0926325dcc81650bd00760bbc1730c6
# Parent  9bc4857f573b30cae2055d6cc99d6bab184d00dd
drophack: use `first` and `last` on smartset

This matches the new changes in mercurial core.

diff --git a/hgext/drophack.py b/hgext/drophack.py
--- a/hgext/drophack.py
+++ b/hgext/drophack.py
@@ -119,7 +119,7 @@
             newrevs = repo.revs('max(::. - %ld)', revs)
             if newrevs:
                 assert len(newrevs) == 1
-                newrev = newrevs[0]
+                newrev = newrevs.first()
             else:
                 newrev = -1
             commands.update(ui, repo, newrev)