tap-driver.sh: flush stdout after each test result

This is useful in a CI system where stdout is fully buffered and you
look at the console output to see which test is hanging.

Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>

diff --git a/config/tap-driver.sh b/config/tap-driver.sh
index ee61fc1129630cd9deefbf3b448d69255a5a352c..21a59d57e00c5aab7ca217c02cd851cf43369838 100755 (executable)
--- a/config/tap-driver.sh
+++ b/config/tap-driver.sh
@@ -273,6 +273,9 @@ function report(result, details)
     msg = msg " " details
   # Output on console might be colorized.
   print decorate_result(result) msg
+  # Flush stdout after each test result, this is useful when stdout
+  # is buffered, for example in a CI system.
+  fflush()
   # Log the result in the log file too, to help debugging (this is
   # especially true when said result is a TAP error or "Bail out!").
   print result msg | "cat >&3";