[PATCH v2] tests: enhance run.sh usage error diagnostics

[Harsha Sharma]

* tests/run.sh: execute timeout command only when invoked with an
argument else print an error message

Changes in v2:
* Change commit and log message
* Print error to stderr and exit with 1

Signed-off-by: Harsha Sharma <harshasharmaiitr at gmail.com>
---
 tests/run.sh | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/tests/run.sh b/tests/run.sh
index d1b796ca..9a98c563 100755
--- a/tests/run.sh
+++ b/tests/run.sh
@@ -9,4 +9,9 @@ TIMEOUT="timeout -k 5 -s XCPU $TIMEOUT_DURATION"
 $TIMEOUT true > /dev/null 2>&1 ||
 	TIMEOUT=
 
-exec $TIMEOUT "$@"
+if [ $# -eq 0 ];then
+	echo "No command or test-file specified" 1>&2
+	exit 1
+else
+	exec $TIMEOUT "$@"
+fi
-- 
2.11.0