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
--- a/mercurial/scmutil.py Wed Aug 29 22:53:44 2018 -0400
+++ b/mercurial/scmutil.py Wed Aug 29 15:49:11 2018 -0700
@@ -475,7 +475,7 @@
# 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: