Add an error message if number of arguments is incorrect

12 years ago · c052029267
parent 0669b923c0
commit c052029267
1 changed files with 5 additions and 0 deletions
--- a/update_latest.sh
+++ b/update_latest.sh
@ -3,6 +3,11 @@ set -e

 version="$1"

+if [ -z "$version" ]; then
+	echo "Usage: $0 version"
+	exit 1
+fi
+
 ln -sf ../downloads/$version latest/directory
 for f in $(ls "downloads/$version/"); do \
    ln -sf "../downloads/$version/$f" latest/$(echo $f | sed -e "s@-$version@@")