release.nix: Get rid of the "system" argument

release.nix

@@ -2,7 +2,13 @@
 , officialRelease ? false
 }:
 
-rec {
+let
+
+  pkgs = import <nixpkgs> {};
+
+  genAttrs' = pkgs.lib.genAttrs [ "x86_64-linux" "i686-linux" ];
+
+in rec {
 
   tarball =
     with import <nixpkgs> { };
@@ -40,12 +46,9 @@ rec {
     };
 
 
-  build =
-    { system ? "x86_64-linux" }:
+  build = genAttrs' (system:
 
-    let pkgs = import <nixpkgs> {inherit system;}; in
-
-    with pkgs;
+    with import <nixpkgs> { inherit system; };
 
     let
 
@@ -133,20 +136,13 @@ rec {
       LOGNAME = "foo";
 
       meta.description = "Build of Hydra on ${system}";
-    };
+    });
 
 
-  tests =
-    { nixos ? ../nixos, system ? "x86_64-linux" }:
-
-    let hydra = build { inherit system; }; in
-
+  tests.install = genAttrs' (system:
     with import <nixos/lib/testing.nix> { inherit system; };
-
-    {
-
-      install = simpleTest {
-
+    let hydra = builtins.getAttr system build; in # build.${system}
+    simpleTest {
       machine =
         { config, pkgs, ... }:
         { services.postgresql.enable = true;
@@ -169,10 +165,6 @@ rec {
           $machine->mustSucceed("HYDRA_DATA=/var/lib/hydra HYDRA_DBI='dbi:Pg:dbname=hydra;user=hydra;' hydra-server >&2 &");
           $machine->waitForOpenPort("3000");
         '';
-
-      };
-
-    };
-
+    });
 
 }