calculate-cache.sh: shfmt -s

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

hack/calculate-cache.sh

@@ -73,7 +73,7 @@ function check_location() {
 	location="$1"
 	readonly cache_file="./.calculate-cache-response-cache.yaml"
 	# check response_cache.yaml for the cache
-	if [[ -f "${cache_file}" ]]; then
+	if [[ -f ${cache_file} ]]; then
 		cached=$(yq -e eval ".[\"${location}\"]" "${cache_file}" 2>/dev/null) && echo "${cached}" && return
 	else
 		touch "${cache_file}"
@@ -161,15 +161,15 @@ for cache_method in prior after; do
 			for template in "${tepmlates_used_in_test_yml[@]}"; do
 				location_digest_size_hash=$(print_location_digest_size_hash_from_template "${template}") || continue
 				read -r location digest size hash containerd containerd_location containerd_digest containerd_size <<<"${location_digest_size_hash}"
-				if [[ ${cache_method} = prior ]]; then
+				if [[ ${cache_method} == prior ]]; then
 					key=${runner_os}-${hash}
-				elif [[ ${digest} = null ]]; then
+				elif [[ ${digest} == null ]]; then
 					key=image:$(basename "${location}")-url-sha256:$(echo -n "${location}" | sha256sum | cut -d' ' -f1)
 				else
 					key=image:$(basename "${location}")-${digest}
 				fi
-				if [[ ${containerd} = true ]]; then
-					if [[ ${cache_method} = prior ]]; then
+				if [[ ${containerd} == true ]]; then
+					if [[ ${cache_method} == prior ]]; then
 						# previous caching method packages the containerd archive with the image
 						size=$((size + containerd_size))
 					else