1 files changed, 1 insertions, 9 deletions
diff --git a/bin/pre b/bin/pre
index 233ac1a..79c212f 100755
--- a/bin/pre
+++ b/bin/pre
@@ -52,16 +52,8 @@ while getopts 'c:h' flag; do
 done
 shift $((OPTIND - 1))
 
-assert_arg() {
-	if [ -z "$1" ]; then
-		printf 'Missing %s\n\n' "$2" >&2
-		usage >&2
-		exit 2
-	fi
-}
-
 PREFIX="${1:-}"
-assert_arg "$PREFIX" 'PREFIX'
+eval "$(assert-arg "$PREFIX" 'PREFIX')"
 
 while read -r line; do
 	if [ -z "$COLOR" ]; then