plugins/nonels: move to by-name

plugins/by-name/none-ls/_mk-source-plugin.nix

@@ -0,0 +1,91 @@
+# mkSourcePlugin, returns a module
+sourceType: sourceName:
+{
+  config,
+  pkgs,
+  lib,
+  helpers,
+  ...
+}:
+let
+  inherit (import ./packages.nix lib) packaged;
+  pkg = packaged.${sourceName};
+  loc = lib.toList pkg;
+
+  cfg = config.plugins.none-ls;
+  cfg' = config.plugins.none-ls.sources.${sourceType}.${sourceName};
+in
+{
+  options.plugins.none-ls.sources.${sourceType}.${sourceName} =
+    {
+      enable = lib.mkEnableOption "the ${sourceName} ${sourceType} source for none-ls";
+      # Support strLua for compatibility with the old withArgs option
+      settings = helpers.defaultNullOpts.mkStrLuaOr' {
+        type = with lib.types; attrsOf anything;
+        description = ''
+          Options provided to the `require('null-ls').builtins.${sourceType}.${sourceName}.with` function.
+
+          See upstream's [`BUILTIN_CONFIG`] documentation.
+
+          [`BUILTIN_CONFIG`]: https://github.com/nvimtools/none-ls.nvim/blob/main/doc/BUILTIN_CONFIG.md
+        '';
+        example = {
+          extra_filetypes = [ "toml" ];
+          disabled_filetypes = [ "lua" ];
+          extra_args = [
+            "-i"
+            "2"
+            "-ci"
+          ];
+        };
+      };
+    }
+    # Only declare a package option if a package is required
+    // lib.optionalAttrs (packaged ? ${sourceName}) {
+      package = lib.mkOption (
+        {
+          type = lib.types.nullOr lib.types.package;
+          description =
+            "Package to use for ${sourceName}."
+            + (lib.optionalString (pkg == null) (
+              "\n\n"
+              + ''
+                Currently not packaged in nixpkgs.
+                Either set this to `null` and install ${sourceName} outside of nix,
+                or set this to a custom nix package.
+              ''
+            ));
+        }
+        // lib.optionalAttrs (pkg != null) {
+          default =
+            lib.attrByPath loc (lib.warn "${lib.concatStringsSep "." loc} cannot be found in pkgs!" null)
+              pkgs;
+          defaultText = lib.literalExpression "pkgs.${lib.concatStringsSep "." loc}";
+        }
+      );
+    };
+
+  # TODO: Added 2024-07-16; remove after 24.11
+  imports =
+    let
+      basePath = [
+        "plugins"
+        "none-ls"
+        "sources"
+        sourceType
+        sourceName
+      ];
+    in
+    [ (lib.mkRenamedOptionModule (basePath ++ [ "withArgs" ]) (basePath ++ [ "settings" ])) ];
+
+  config = lib.mkIf (cfg.enable && cfg'.enable) {
+    plugins.none-ls.settings.sources = lib.mkDefault [
+      (
+        "require('null-ls').builtins.${sourceType}.${sourceName}"
+        + lib.optionalString (cfg'.settings != null) ".with(${helpers.toLuaObject cfg'.settings})"
+      )
+    ];
+
+    extraPackages = [ (cfg'.package or null) ];
+  };
+}