Add 'old-conf/' from commit '62a64a79a8'

git-subtree-dir: old-conf
git-subtree-mainline: 4667974392
git-subtree-split: 62a64a79a8

old-conf/lib/options.nix

@@ -0,0 +1,35 @@
+{ lib, ... }:
+
+let
+  inherit (lib) mkOption types;
+in
+rec {
+  mkOpt = type: default:
+    mkOption { inherit type default; };
+
+  mkOpt' = type: default: description:
+    mkOption { inherit type default description; };
+
+  mkBoolOpt = default: mkOption {
+    inherit default;
+    type = types.bool;
+    example = true;
+  };
+  findOutTlsConfig = domain: config:
+    let
+      spl = lib.splitString "." domain;
+      len = builtins.length spl;
+      outerDomain = lib.traceVal (lib.concatStringsSep "." (lib.sublist (len - 2) len spl));
+      domains = config.ragon.services.nginx.domains;
+      hasDomain = lib.any (d: d == outerDomain) domains;
+    in
+    if hasDomain then {
+      forceSSL = true;
+      useACMEHost = "${outerDomain}";
+    } else
+      {
+        forceSSL = true;
+        enableACME = true;
+      };
+
+}