t / t4101 / diff.0-3on commit git-branch, git-checkout: autosetup for remote branch tracking (0746d19)
   1--- a/frotz
   2+++ b/frotz
   3@@ -1,2 +1,3 @@
   4 a
   5-b
   6+c
   7+b
   8\ No newline at end of file