t / t5100 / patch0016on commit expire_reflog(): use a lock_file for rewriting the reflog file (f3b661f)
   1---
   2diff --git a/foo b/foo
   3index e69de29..d95f3ad 100644
   4--- a/foo
   5+++ b/foo
   6@@ -0,0 +1 @@
   7+content
   8