dev: rebase on a less personalized neovim flake

modules/default.nix

@@ -0,0 +1,72 @@
+{inputs}: {
+  configuration,
+  pkgs,
+  lib ? pkgs.lib,
+  check ? true,
+  extraSpecialArgs ? {},
+}: let
+  inherit (pkgs) neovim-unwrapped wrapNeovim vimPlugins;
+  inherit (builtins) map filter isString toString getAttr hasAttr attrNames;
+  inherit (pkgs.vimUtils) buildVimPluginFrom2Nix;
+
+  extendedLib = import ./lib/stdlib-extended.nix lib;
+
+  nvimModules = import ./modules.nix {
+    inherit check pkgs;
+    lib = extendedLib;
+  };
+
+  module = extendedLib.evalModules {
+    modules = [configuration] ++ nvimModules;
+    specialArgs =
+      {
+        modulesPath = toString ./.;
+      }
+      // extraSpecialArgs;
+  };
+
+  buildPlug = name:
+    buildVimPluginFrom2Nix rec {
+      pname = name;
+      version = "master";
+      src = assert lib.asserts.assertMsg (name != "nvim-treesitter") "Use buildTreesitterPlug for building nvim-treesitter.";
+        getAttr pname inputs;
+    };
+
+  buildTreesitterPlug = grammars: vimPlugins.nvim-treesitter.withPlugins (_: grammars);
+
+  vimOptions = module.config.vim;
+
+  buildConfigPlugins = plugins:
+    map
+    (plug: (
+      if (isString plug)
+      then
+        (
+          if (plug == "nvim-treesitter")
+          then (buildTreesitterPlug vimOptions.treesitter.grammars)
+          else (buildPlug plug)
+        )
+      else plug
+    ))
+    (filter
+      (f: f != null)
+      plugins);
+
+  neovim = wrapNeovim neovim-unwrapped {
+    viAlias = vimOptions.viAlias;
+    vimAlias = vimOptions.vimAlias;
+    configure = {
+      customRC = vimOptions.builtConfigRC;
+
+      packages.myVimPackage = {
+        start = buildConfigPlugins vimOptions.startPlugins;
+        opt = buildConfigPlugins vimOptions.optPlugins;
+      };
+    };
+  };
+in {
+  inherit (module) options config;
+  inherit (module._module.args) pkgs;
+  inherit neovim;
+}