meta: refactor repository

templates/go/flake.nix

@@ -1,38 +1,27 @@
 {
-  description = "Go flake template";
+  description = "CHANGE DESC";
 
   inputs = {
     nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+    systems.url = "github:nix-systems/default";
   };
 
-  outputs = {
-    self,
-    nixpkgs,
-  }: let
-    allSystems = [
-      "x86_64-linux"
-      "aarch64-linux"
-    ];
-    forAllSystems = f:
-      nixpkgs.lib.genAttrs allSystems (system:
-        f {
-          pkgs = import nixpkgs {inherit system;};
-          inherit system;
-        });
-  in {
-    packages = forAllSystems ({
-      pkgs,
-      system,
-    }: {
-      default = pkgs.callPackage ./nix/package.nix {};
-      go-app = self.packages.${system}.default;
-    });
+  outputs = { self, nixpkgs, systems, }:
+    let
+      inherit (nixpkgs) lib;
+      pkgsFor = nixpkgs.legacyPackages;
+      forAllSystems = f:
+        lib.genAttrs (import systems) (system: f system pkgsFor.${system});
+    in {
+      packages = forAllSystems (system: pkgs: {
+        default = pkgs.callPackage ./flake/package.nix { };
+        CHANGE_NAME = self.packages.${system}.default;
+      });
 
-    devShells = forAllSystems ({
-      pkgs,
-      system,
-    }: {
-      default = pkgs.callPackage ./nix/shell.nix {inherit (self.packages.${system}) go-app;};
-    });
-  };
+      devShells = forAllSystems
+        (_: pkgs: { default = pkgs.callPackage ./flake/shell.nix { }; });
+
+      formatter =
+        forAllSystems (_: pkgs: pkgs.callPackage ./flake/formatter.nix { });
+    };
 }