# HG changeset patch
# User Martin von Zweigbergk <martinvonz@google.com>
# Date 2018-04-04 06:47:01
# Node ID a6014392837e5d474cb3b229a9a629627f4c631d
# Parent  ac666c5c2e0ceb2c1262540ed85cd2822a632459

context: use revsymbol() in "merge.preferancestor" code

Differential Revision: https://phab.mercurial-scm.org/D3082

diff --git a/mercurial/context.py b/mercurial/context.py
--- a/mercurial/context.py
+++ b/mercurial/context.py
@@ -631,7 +631,7 @@ class changectx(basectx):
             # experimental config: merge.preferancestor
             for r in self._repo.ui.configlist('merge', 'preferancestor'):
                 try:
-                    ctx = changectx(self._repo, r)
+                    ctx = scmutil.revsymbol(self._repo, r)
                 except error.RepoLookupError:
                     continue
                 anc = ctx.node()