--- a/hgext/git/gitlog.py	Sat Jan 04 09:38:51 2025 -0500
+++ b/hgext/git/gitlog.py	Sat Jan 04 10:38:02 2025 -0500
@@ -171,7 +171,7 @@
     def hasnode(self, n):
         t = self._db.execute(
             'SELECT node FROM changelog WHERE node = ?',
-            (pycompat.sysstr(n),),
+            (gitutil.togitnode(n),),
         ).fetchone()
         return t is not None