# HG changeset patch
# User Yuya Nishihara <yuya@tcha.org>
# Date 2018-09-25 13:19:40
# Node ID 7a9e2d85f475b1675da537ece26419887f9d8b4e
# Parent  e5871e8fbb57e7ce3a4616f3b2910422275572c1

revlog: catch more specific exception in shortest()

Since revlog._partialmatch() catches RevlogError coming from cext and
re-raises AmbiguousPrefixLookupError, catching RevlogError here seems
less correct.

Differential Revision: https://phab.mercurial-scm.org/D4735

diff --git a/mercurial/revlog.py b/mercurial/revlog.py
--- a/mercurial/revlog.py
+++ b/mercurial/revlog.py
@@ -1325,7 +1325,7 @@ class revlog(object):
         def isvalid(prefix):
             try:
                 node = self._partialmatch(prefix)
-            except error.RevlogError:
+            except error.AmbiguousPrefixLookupError:
                 return False
             except error.WdirUnsupported:
                 # single 'ff...' match