Echo log if pulling failed.

mirror.sh

@@ -61,9 +61,11 @@ function get_image() {
 	echo -ne "\t* Getting ${arch} layers... "
 
 	# arm64 layers might be missing. So we just put "FAIL!" here and do nothing else.
-	if ! docker pull --platform=linux/"${arch}" "${image}" &> /dev/null; then
+	if ! docker pull --platform=linux/"${arch}" "${image}" &> "/tmp/pull-${arch}"; then
 		echo "FAIL!"
 
+		echo -e "\nLogs:\n\n" && cat "/tmp/pull-${arch}" && echo -e "\n"
+
 		# We presume that amd64 layers are always present. Returning an error here if they're absent.
 		if [ "${arch}" == "amd64" ]; then
 			return 1