pkgs: use release channel for system + rkt update

Only override specific packages from the git repo.

configuration/steveej-laptop/pkg.nix

@@ -1,22 +1,16 @@
 { config, pkgs, ... }:
 
-{
+let
+  gitpkgs = import <gitpkgs> {};
+
+in {
   nixpkgs.config = {
     allowBroken = false;
 
     packageOverrides = pkgs: rec {
       goPackages = pkgs.go16Packages;
-
       bluez = pkgs.bluez5;
-
-      #vimPlugins = pkgs.recurseIntoAttrs (pkgs.callPackage /home/steveej/src/github/NixOS/nixpkgs-systemsource/pkgs/misc/vim-plugins { });
-
       linuxPackages = pkgs.linuxPackages_latest;
-
-      #pythonFull = pkgs.python27.buildEnv.override {
-      #  extraLibs = with pkgs.pythonPackages; [];
-      #};
-
     };
 
     allowUnfree = true;
@@ -46,7 +40,7 @@
   imports =
     [
       ../common/pkg/default.nix
-      ../common/pkg/neovim.nix
+      (import ../common/pkg/neovim.nix { inherit config; pkgs = gitpkgs; })
     ];
 
 
@@ -78,7 +72,6 @@
     teamviewer
     gnome3.dconf # needed by virtmanager
     virtmanager
-    linuxPackages.virtualbox
     x11_ssh_askpass
 
     spotify
@@ -89,8 +82,7 @@
     gimp
     inkscape
     pdftk
-
-    rkt
+    imagemagick
 
     iptables
     nftables
@@ -98,6 +90,8 @@
 
     pandoc
     pythonFull
+  ] ++ [
+    gitpkgs.rkt
   ];
 
 }