ma: refactor module loading of 5pkgs

makefu/5pkgs/default.nix

@@ -1,25 +1,21 @@
-{ pkgs, ... }:
-
 with import <stockholm/lib>;
-{
-  nixpkgs.config.packageOverrides = oldpkgs: let
+self: super: let
 
   # This callPackage will try to detect obsolete overrides.
   callPackage = path: args: let
-      override = pkgs.callPackage path args;
+    override = super.callPackage path args;
     upstream = optionalAttrs (override ? "name")
-        (oldpkgs.${(parseDrvName override.name).name} or {});
+      (super.${(parseDrvName override.name).name} or {});
   in if upstream ? "name" &&
         override ? "name" &&
         compareVersions upstream.name override.name != -1
-      then trace "Upstream `${upstream.name}' gets overridden by `${override.name}'." override
+    then
+      trace
+        "Upstream `${upstream.name}' gets overridden by `${override.name}'."
+        override
     else override;
 
-  in {}
-  // mapAttrs (_: flip callPackage {})
-              (filterAttrs (_: dir: pathExists (dir + "/default.nix"))
-                           (subdirsOf ./.))
-  // {
+in {
     alsa-hdspconf = callPackage ./alsa-tools { alsaToolTarget="hdspconf";};
     alsa-hdspmixer = callPackage ./alsa-tools { alsaToolTarget="hdspmixer";};
     alsa-hdsploader = callPackage ./alsa-tools { alsaToolTarget="hdsploader";};
@@ -31,5 +27,9 @@ with import <stockholm/lib>;
         sha256 = "18ddzyh11bywrhzdkzvrl7nvgp5gdb4k1s0zxbz2bkhd14vi72bb";
       };
     };
-  };
+
 }
+
+// mapAttrs (_: flip callPackage {})
+            (filterAttrs (_: dir: pathExists (dir + "/default.nix"))
+                         (subdirsOf ./.))

makefu/default.nix

@@ -1,9 +1,9 @@
-_:
+{ pkgs, ... }:
 {
   imports = [
     ../krebs
     ./2configs
     ./3modules
-    ./5pkgs
   ];
+  nixpkgs.config.packageOverrides = import ./5pkgs pkgs;
 }