flake.nix

@@ -42,7 +42,7 @@
         };
 
         nixosModules = {
-          nvf = import ./flake/modules/nixos.nix self.packages lib inputs;
+          nvf = import ./flake/modules/nixos.nix self.packages lib;
           default = self.nixosModules.nvf;
           neovim-flake =
             lib.warn ''

flake/modules/nixos.nix

@@ -1,5 +1,5 @@
 # NixOS module
-packages: lib: inputs: {
+packages: lib: {
   config,
   pkgs,
   ...
@@ -8,19 +8,15 @@ packages: lib: inputs: {
   inherit (lib.modules) mkIf mkOverride mkAliasOptionModule;
   inherit (lib.lists) optional;
   inherit (lib.options) mkOption mkEnableOption literalExpression;
-  inherit (lib.types) anything bool submoduleWith;
+  inherit (lib.types) attrsOf anything bool;
+  inherit (lib.nvim) neovimConfiguration;
+  inherit (lib.nvim.types) anythingConcatLists;
 
   cfg = config.programs.nvf;
 
-  nvfModule = submoduleWith {
+  neovimConfigured = neovimConfiguration {
-    description = "Nvf module";
+    inherit pkgs;
-    class = "nvf";
+    modules = [cfg.settings];
-    specialArgs = {
-      inherit pkgs lib inputs;
-    };
-    modules = [
-      {imports = import ../../modules/modules.nix {inherit pkgs lib;};}
-    ];
   };
 in {
   imports = [
@@ -59,7 +55,7 @@ in {
     };
 
     settings = mkOption {
-      type = nvfModule;
+      type = attrsOf anythingConcatLists;
       default = {};
       description = "Attribute set of nvf preferences.";
       example = literalExpression ''
@@ -82,7 +78,7 @@ in {
   };
 
   config = mkIf cfg.enable {
-    programs.nvf.finalPackage = config.programs.nvf.settings.vim.build.finalPackage;
+    programs.nvf.finalPackage = neovimConfigured.neovim;
 
     environment = {
       variables.EDITOR = mkIf cfg.defaultEditor (mkOverride 900 "nvim");

lib/types/custom.nix

@@ -1,9 +1,57 @@
 {lib}: let
-  inherit (lib.options) mergeEqualOption;
+  inherit (lib.options) showOption showFiles getFiles mergeOneOption mergeEqualOption;
-  inherit (lib.strings) isString;
+  inherit (lib.strings) isString isStringLike;
-  inherit (lib.types) listOf mkOptionType;
+  inherit (lib.types) anything attrsOf listOf mkOptionType;
-  inherit (builtins) stringLength match;
+  inherit (lib.nvim.types) anythingConcatLists;
+  inherit (builtins) typeOf isAttrs any head concatLists stringLength match;
 in {
+  # HACK: Does this break anything in our case?
+  # A modified version of the nixpkgs anything type that concatenates lists
+  # This isn't the default because the order in which the lists are concatenated depends on the order in which the modules are imported,
+  # which makes it non-deterministic
+  anythingConcatLists =
+    anything
+    // {
+      merge = loc: defs: let
+        getType = value:
+          if isAttrs value && isStringLike value
+          then "stringCoercibleSet"
+          else typeOf value;
+
+        # Throw an error if not all defs have the same type
+        checkType = getType (head defs).value;
+        commonType =
+          if any (def: getType def.value != checkType) defs
+          then throw "The option `${showOption loc}' has conflicting option types in ${showFiles (getFiles defs)}"
+          else checkType;
+
+        mergeFunctions = {
+          # Recursively merge attribute sets
+          set = (attrsOf anythingConcatLists).merge;
+
+          # Overridden behavior for lists, that concatenates lists
+          list = _: defs: concatLists (map (e: e.value) defs);
+
+          # This means it's a package, only accept a single definition
+          stringCoercibleSet = mergeOneOption;
+
+          # This works by passing the argument to the functions,
+          # and merging their returns values instead
+          lambda = loc: defs: arg:
+            anythingConcatLists.merge
+            (loc ++ ["<function body>"])
+            (map (def: {
+                inherit (def) file;
+                value = def.value arg;
+              })
+              defs);
+        };
+      in
+        # Merge the defs with the correct function from above, if available
+        # otherwise only allow equal values
+        (mergeFunctions.${commonType} or mergeEqualOption) loc defs;
+    };
+
   mergelessListOf = elemType: let
     super = listOf elemType;
   in

lib/types/default.nix

@@ -11,5 +11,5 @@ in {
   inherit (typesDag) dagOf;
   inherit (typesPlugin) pluginsOpt extraPluginType mkPluginSetupOption luaInline pluginType borderType;
   inherit (typesLanguage) diagnostics mkGrammarOption;
-  inherit (customTypes) char hexColor mergelessListOf;
+  inherit (customTypes) anythingConcatLists char hexColor mergelessListOf;
 }