templates: add forEachSystem to basic

1 files changed, 27 insertions, 28 deletions

diff --git a/templates/basic/flake.nix b/templates/basic/flake.nix
index 2c638b2..00ec696 100644
--- a/templates/basic/flake.nix
+++ b/templates/basic/flake.nix
@@ -26,23 +26,42 @@
         overlays = [self.overlays.default];
       });
 
-    packageFn = pkgs: let
-      inherit (pkgs.lib) licenses maintainers platforms;
+    forEachSystem = fn:
+      forAllSystems (system:
+        fn {
+          inherit system;
+          pkgs = nixpkgsFor.${system};
+        });
+  in {
+    devShells = forEachSystem ({pkgs, ...}: let
+      inherit (pkgs) mkShell;
     in {
-      hello = pkgs.stdenv.mkDerivation rec {
+      default = mkShell {
+        packages = with pkgs; [
+          bash
+        ];
+      };
+    });
+
+    formatter = forEachSystem ({pkgs, ...}: pkgs.alejandra);
+
+    packages = forEachSystem ({pkgs, ...}: {
+      inherit (pkgs) hello;
+      default = pkgs.hello;
+    });
+
+    overlays.default = _: prev: {
+      hello = prev.stdenv.mkDerivation {
         pname = "hello";
         inherit version;
 
-        src = builtins.path {
-          name = "${pname}-src";
-          path = ./.;
-        };
+        src = self;
 
         installPhase = ''
           echo "hi" > $out
         '';
 
-        meta = {
+        meta = with prev.lib; {
           description = "";
           homepage = "";
           license = licenses.mit;
@@ -51,25 +70,5 @@
         };
       };
     };
-  in {
-    devShells = forAllSystems (s: let
-      pkgs = nixpkgsFor.${s};
-      inherit (pkgs) mkShell;
-    in {
-      default = mkShell {
-        packages = with pkgs; [
-          bash
-        ];
-      };
-    });
-
-    formatter = forAllSystems (s: nixpkgsFor.${s}.alejandra);
-
-    packages = forAllSystems (s: rec {
-      inherit (nixpkgsFor.${s}) hello;
-      default = hello;
-    });
-
-    overlays.default = final: _: packageFn final;
   };
 }