flake: Move helper derivations in a separate directory (#544)

flake.nix

@@ -57,26 +57,6 @@
             inherit system;
             config.allowUnfree = true;
           };
-          extractRustAnalyzer = {
-            stdenv,
-            pkgs,
-          }:
-            stdenv.mkDerivation {
-              pname = "extract_rust_analyzer";
-              version = "master";
-
-              dontUnpack = true;
-              dontBuild = true;
-
-              buildInputs = [pkgs.python3];
-
-              installPhase = ''
-                ls -la
-                mkdir -p $out/bin
-                cp ${./helpers/extract_rust_analyzer.py} $out/bin/extract_rust_analyzer.py
-              '';
-            };
-          extractRustAnalyzerPkg = pkgs.callPackage extractRustAnalyzer {};
         in {
           checks =
             (import ./tests {
@@ -116,34 +96,13 @@
               inherit (self.checks.${system}.pre-commit-check) shellHook;
             };
           };
-          packages = {
+          packages =
+            {
               docs = pkgs-unfree.callPackage (import ./docs) {
                 modules = nixvimModules;
               };
-            runUpdates =
+            }
-              pkgs.callPackage
+            // (import ./helpers pkgs);
-              ({
-                pkgs,
-                stdenv,
-              }:
-                stdenv.mkDerivation {
-                  pname = "run-updates";
-                  inherit (pkgs.rust-analyzer) version src;
-
-                  nativeBuildInputs = with pkgs; [extractRustAnalyzerPkg alejandra];
-
-                  buildPhase = ''
-                    extract_rust_analyzer.py editors/code/package.json |
-                      alejandra --quiet > rust-analyzer-config.nix
-                  '';
-
-                  installPhase = ''
-                    mkdir -p $out/share
-                    cp rust-analyzer-config.nix $out/share
-                  '';
-                })
-              {};
-          };
           legacyPackages = rec {
             makeNixvimWithModule = import ./wrappers/standalone.nix pkgs modules;
             makeNixvim = configuration:

helpers/default.nix

@@ -0,0 +1,16 @@
+pkgs: rec {
+  rust-analyzer-config = pkgs.callPackage ./rust-analyzer {};
+  autogenerated-configs = pkgs.callPackage ({stdenv}:
+    stdenv.mkDerivation {
+      pname = "autogenerated-configs";
+      version = "master";
+
+      dontUnpack = true;
+      dontBuild = true;
+
+      installPhase = ''
+        mkdir -p $out
+        cp ${rust-analyzer-config}/share/* $out
+      '';
+    }) {};
+}

helpers/rust-analyzer/default.nix

@@ -0,0 +1,39 @@
+{
+  stdenv,
+  python3,
+  rust-analyzer,
+  alejandra,
+}: let
+  extract = stdenv.mkDerivation {
+    pname = "extract_rust_analyzer";
+    version = "1";
+
+    src = ./extract.py;
+
+    dontUnpack = true;
+    dontBuild = true;
+
+    buildInputs = [python3];
+
+    installPhase = ''
+      mkdir -p $out/bin
+      cp $src $out/bin/extract_rust_analyzer.py
+    '';
+  };
+in
+  stdenv.mkDerivation {
+    pname = "rust-analyzer-config";
+    inherit (rust-analyzer) version src;
+
+    nativeBuildInputs = [alejandra extract];
+
+    buildPhase = ''
+      extract_rust_analyzer.py editors/code/package.json |
+        alejandra --quiet > rust-analyzer-config.nix
+    '';
+
+    installPhase = ''
+      mkdir -p $out/share
+      cp rust-analyzer-config.nix $out/share
+    '';
+  }