feat: interface and lib refactoring

lib/extra.nix

@@ -0,0 +1,45 @@
+{ lib, pkgs }:
+
+with lib;
+
+rec {
+  moduleToAttrs = value:
+    if isAttrs value
+    then mapAttrs (n: v: moduleToAttrs v) (filterAttrs (n: v: !(hasPrefix "_" n) && v != null) value)
+
+    else if isList value
+    then map (v: moduleToAttrs v) value
+
+    else value;
+
+  mkOptionDefault = mkOverride 1001;
+
+  mkAllDefault = value: priority:
+    if isAttrs value
+    then mapAttrs (n: v: mkAllDefault v priority) value
+
+    else if isList value
+    then map (v: mkAllDefault v priority) value
+
+    else mkOverride priority value;
+
+  loadYAML = path: importJSON (pkgs.runCommand "yaml-to-json" {
+  } "${pkgs.remarshal}/bin/remarshal -i ${path} -if yaml -of json > $out");
+
+  toYAML = config: pkgs.runCommand "to-yaml" {
+    buildInputs = [pkgs.remarshal];
+  } ''
+    remarshal -i ${pkgs.writeText "to-json" (builtins.toJSON config)} -if json -of yaml > $out
+  '';
+
+  toBase64 = value:
+    builtins.readFile
+      (pkgs.runCommand "value-to-b64" {} "echo -n '${value}' | ${pkgs.coreutils}/bin/base64 -w0 > $out");
+
+  exp = base: exp: foldr (value: acc: acc * base) 1 (range 1 exp);
+
+  octalToDecimal = value: (foldr (char: acc: {
+    i = acc.i + 1;
+    value = acc.value + (toInt char) * (exp 8 acc.i);
+  }) {i = 0; value = 0;} (stringToCharacters value)).value;
+}