Add options type called codeMirrorLines

Author: thomasjm

modules/kernels/ruby/module.nix

@@ -59,7 +59,7 @@ in
 
       lsp.solargraph.rubocopYaml = mkOption {
         example = "YAML configuration for the rubocop reporter";
-        type = types.lines;
+        type = types.codeMirrorLines "yaml";
         default = ''
           # Disable whitespace-related rules that don't play well with notebooks
           Layout/EmptyLines:

nix/convert-type.nix

@@ -4,6 +4,7 @@ let
   convertType = target: type:
     if (type.name == "str") then { type = "string"; }
     else if (type.name == "separatedString") then { type = "lines"; }
+    else if (type.name == "codeMirrorLines") then { type = "lines"; codeMirrorMode = type.codeMirrorMode; }
     else if (type.name == "anything") then { type = "any"; }
     else if (type.name == "bool") then { type = "boolean"; }
     else if (type.name == "attrs") then {

nix/evaluate-config.nix

@@ -7,8 +7,24 @@
 
 config:
 
-lib.evalModules {
+let
+  extendedLib = lib.extend (final: prev: {
+    types = prev.types // {
+      codeMirrorLines = mode: prev.mkOptionType {
+        name = "codeMirrorLines";
+        description = "string (${mode})";
+        check = builtins.isString;
+        merge = prev.options.mergeEqualOption;
+      } // { codeMirrorMode = mode; };
+    };
+  });
+
+in
+
+extendedLib.evalModules {
   specialArgs = {
+    lib = extendedLib;
+
     nixosOptionsToSettingsSchema = pkgsStable.callPackage ./nixos-options-to-settings-schema.nix {};
     boilerplate = {
       attrsTitle = "Notebook attributes";