diff hgext/git/gitlog.py @ 44478:6d953b3fc2bd

git: make {shortest()} return shortest *unique* prefix

It used to return the prefix of the specified length as long as the
full node was unique (i.e. always).

Differential Revision: https://phab.mercurial-scm.org/D8256

--- a/hgext/git/gitlog.py	Tue Feb 11 00:44:59 2020 -0500
+++ b/hgext/git/gitlog.py	Fri Mar 06 14:14:05 2020 -0800
@@ -170,7 +170,7 @@
             matches = int(
                 self._db.execute(
                     'SELECT COUNT(*) FROM changelog WHERE node LIKE ?',
-                    (pycompat.sysstr(nodehex + b'%'),),
+                    (pycompat.sysstr(candidate + b'%'),),
                 ).fetchone()[0]
             )
             if matches == 1: