scripts/repo-add: show usage when no DB file specified

Signed-off-by: Dave Reisner <dreisner@archlinux.org>

1 files changed, 5 insertions, 1 deletions

diff --git a/scripts/repo-add.sh.in b/scripts/repo-add.sh.in
index c598ad9b..48f221b8 100644
--- a/scripts/repo-add.sh.in
+++ b/scripts/repo-add.sh.in
@@ -609,8 +609,12 @@ while (( $# )); do
 	shift
 done
 
-
 REPO_DB_FILE=${args[0]}
+if [[ -z $REPO_DB_FILE ]]; then
+	usage
+	exit 1
+fi
+
 LOCKFILE=$REPO_DB_FILE.lck
 
 verify_repo_extension "$REPO_DB_FILE" >/dev/null