t / t4101 / diff.1-3on commit upload-pack: send shallow info over stdin to pack-objects (b790e0f)
   1--- a/frotz
   2+++ b/frotz
   3@@ -1,3 +1,3 @@
   4 a
   5-b
   6 c
   7+b
   8\ No newline at end of file