test-container: print errno when execvp fails
Commit Message
I'm debugging a situation where lots of tests using test-container fail
and it's possible knowing errno would help understand why.
---
support/test-container.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
@@ -1145,7 +1145,7 @@ main (int argc, char **argv)
execvp (new_child_exec, new_child_proc);
/* Or don't run the child? */
- FAIL_EXIT1 ("Unable to exec %s\n", new_child_exec);
+ FAIL_EXIT1 ("Unable to exec %s: %s\n", new_child_exec, strerror (errno));
/* Because gcc won't know error () never returns... */
exit (EXIT_UNSUPPORTED);