inject-cmdline-to-template.sh: use -e again

Signed-off-by: Norio Nomura <[email protected]>

hack/inject-cmdline-to-template.sh

@@ -9,7 +9,7 @@
 # 6. inject the kernel and initrd location, digest, and cmdline to the template
 # 7. output kernel_location, kernel_digest, cmdline, initrd_location, initrd_digest
 
-set -u -o pipefail
+set -eu -o pipefail
 
 template="$1"
 appending_options="$2"
@@ -45,6 +45,7 @@ while IFS= read -r line; do arr+=("${line}"); done <<<"${parsed}"
 readonly locations=("${arr[@]}")
 for ((i = 0; i < ${#locations[@]}; i++)); do
 	[[ ${locations[i]} != "null" ]] || continue
+	# shellcheck disable=SC2310
 	if check_location "${locations[i]}"; then
 		location=${locations[i]}
 		index=${i}
@@ -85,6 +86,7 @@ initrd_location="${location_dirname}/${initrd_basename}"
 function inject_to() {
 	# shellcheck disable=SC2034
 	local template=$1 arch=$2 index=$3 key=$4 location=$5 digest=$6 cmdline=${7:-} fields=() IFS=,
+	# shellcheck disable=SC2310
 	check_location "${location}" || return 0
 	for field_name in location digest cmdline; do
 		[[ -z ${!field_name} ]] || fields+=("\"${field_name}\": \"${!field_name}\"")