Split lib/general.sh

lib/functions/rootfs/create-cache.sh

@@ -0,0 +1,16 @@
+# get_package_list_hash
+#
+# returns md5 hash for current package list and rootfs cache version
+
+get_package_list_hash()
+{
+	local package_arr exclude_arr
+	local list_content
+	read -ra package_arr <<< "${DEBOOTSTRAP_LIST} ${PACKAGE_LIST}"
+	read -ra exclude_arr <<< "${PACKAGE_LIST_EXCLUDE}"
+	(
+		printf "%s\n" "${package_arr[@]}"
+		printf -- "-%s\n" "${exclude_arr[@]}"
+	) | sort -u | md5sum | cut -d' ' -f 1
+}
+