t / t4101 / diff.3-1on commit perf/run: add conf_opts argument to get_var_from_env_or_config() (3ae7d2b)
   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