Don't use overlay internally with nixpkgs

See: nix-community/poetry2nix@05b788f See: https://zimbatm.com/notes/1000-instances-of-nixpkgs
nix-community · Feb 4, 2023 · 605dca1 · 605dca1
1 parent 89cd067
commit 605dca1
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Showing 2 changed files with 12 additions and 13 deletions.
diff --git a/flake.nix b/flake.nix
@@ -15,22 +15,19 @@
           description = "Gomod2nix packaged application";
         };
       };
-      defaultTemplate = self.templates.app;
+      templates.default = self.templates.app;
 
     } //
     (utils.lib.eachDefaultSystem
       (system:
         let
-          pkgs = import nixpkgs {
-            inherit system;
-            overlays = [
-              self.overlays.default
-            ];
-          };
+          pkgs = nixpkgs.legacyPackages.${system};
+          callPackage = pkgs.darwin.apple_sdk_11_0.callPackage or pkgs.callPackage;
         in
-        {
-          packages.default = pkgs.callPackage ./. { };
-          devShells.default = import ./shell.nix { inherit pkgs; };
+        rec {
+          packages.default = pkgs.callPackage ./. { inherit (lib) buildGoApplication mkGoEnv; };
+          devShells.default = import ./shell.nix { inherit pkgs; gomod2nix = packages.default; inherit (lib) mkGoEnv; };
+          lib = { inherit (callPackage ./builder { gomod2nix = packages.default; }) buildGoApplication mkGoEnv; };
         })
     );
 }
diff --git a/shell.nix b/shell.nix
@@ -7,15 +7,17 @@
         (import ./overlay.nix)
       ];
     }
-  )
+  ),
+  gomod2nix ? pkgs.gomod2nix,
+  mkGoEnv ? pkgs.mkGoEnv
 }:
 
 pkgs.mkShell {
   NIX_PATH = "nixpkgs=${builtins.toString pkgs.path}";
   nativeBuildInputs = [
     pkgs.nixpkgs-fmt
     pkgs.golangci-lint
-    pkgs.gomod2nix
-    (pkgs.mkGoEnv { pwd = ./.; })
+    gomod2nix
+    (mkGoEnv { pwd = ./.; })
   ];
 }