t / t5100 / patch0018--no-inbody-headerson commit t: use test_write_lines() instead of series of 'echo' commands (0590ff2)
   1diff --git a/foo b/foo
   2index e69de29..d95f3ad 100644
   3--- a/foo
   4+++ b/foo
   5@@ -0,0 +1 @@
   6+content