t / t5100 / patch0016on commit add reentrant variants of sha1_to_hex and find_unique_abbrev (af49c6d)
   1---
   2diff --git a/foo b/foo
   3index e69de29..d95f3ad 100644
   4--- a/foo
   5+++ b/foo
   6@@ -0,0 +1 @@
   7+content
   8