Merging against upstream master

nixos/modules/misc/ids.nix

@@ -64,7 +64,7 @@
       cups = 36;
       foldingathome = 37;
       sabnzbd = 38;
-      kdm = 39;
+      #kdm = 39; # dropped in 17.03
       ghostone = 40;
       git = 41;
       fourstore = 42;
@@ -206,7 +206,7 @@
       ripple-data-api = 186;
       mediatomb = 187;
       rdnssd = 188;
-      ihaskell = 189;
+      # ihaskell = 189; # unused
       i2p = 190;
       lambdabot = 191;
       asterisk = 192;
@@ -286,6 +286,7 @@
       gogs = 268;
       pdns-recursor = 269;
       kresd = 270;
+      rpc = 271;
 
       # When adding a uid, make sure it doesn't match an existing gid. And don't use uids above 399!
 
@@ -332,7 +333,7 @@
       #cups = 36; # unused
       #foldingathome = 37; # unused
       #sabnzd = 38; # unused
-      #kdm = 39; # unused
+      #kdm = 39; # unused, even before 17.03
       ghostone = 40;
       git = 41;
       fourstore = 42;
@@ -469,7 +470,7 @@
       #ripple-data-api = 186; #unused
       mediatomb = 187;
       #rdnssd = 188; # unused
-      ihaskell = 189;
+      # ihaskell = 189; # unused
       i2p = 190;
       lambdabot = 191;
       asterisk = 192;
@@ -541,6 +542,7 @@
       couchpotato = 267;
       gogs = 268;
       kresd = 270;
+      #rpc = 271; # unused
 
       # When adding a gid, make sure it doesn't match an existing
       # uid. Users and groups with the same name should have equal

nixos/modules/misc/nixpkgs.nix

@@ -45,9 +45,8 @@ let
 in
 
 {
-  options = {
-
-    nixpkgs.config = mkOption {
+  options.nixpkgs = {
+    config = mkOption {
       default = {};
       example = literalExample
         ''
@@ -61,7 +60,7 @@ in
       '';
     };
 
-    nixpkgs.overlays = mkOption {
+    overlays = mkOption {
       default = [];
       example = literalExample
         ''
@@ -85,7 +84,7 @@ in
       '';
     };
 
-    nixpkgs.system = mkOption {
+    system = mkOption {
       type = types.str;
       example = "i686-linux";
       description = ''
@@ -95,14 +94,9 @@ in
         multi-platform deployment, or when building virtual machines.
       '';
     };
-
   };
 
   config = {
-    _module.args.pkgs = import ../../.. {
-      system = config.nixpkgs.system;
-
-      inherit (config.nixpkgs) config;
-    };
+    _module.args.pkgs = import ../../.. config.nixpkgs;
   };
 }