# HG changeset patch
# User Martin von Zweigbergk <martinvonz@google.com>
# Date 2018-08-29 22:49:11
# Node ID 570fca90d55687327049e4f24dd5fb01eb070fbc
# Parent  bc0eb1dc6aaeed79f127541723c7a634b8f819d9

shortest: fix an off-by-1 when disambiguating against revnums

Revision "5" is an unambiguous hex prefix in a repo with 5 revisions;
it's only "4" and lower that are ambiguous.

Differential Revision: https://phab.mercurial-scm.org/D4420

diff --git a/mercurial/scmutil.py b/mercurial/scmutil.py
--- a/mercurial/scmutil.py
+++ b/mercurial/scmutil.py
@@ -475,7 +475,7 @@ def mayberevnum(repo, prefix):
         # if we are a pure int, then starting with zero will not be
         # confused as a rev; or, obviously, if the int is larger
         # than the value of the tip rev
-        if prefix[0:1] == b'0' or i > len(repo):
+        if prefix[0:1] == b'0' or i >= len(repo):
             return False
         return True
     except ValueError: