* nixos-deploy-network: build the deploy script locally as an

optimisation and workaround for Nix/210.

svn path=/nixos/trunk/; revision=24956

modules/installer/tools/nixos-deploy-network/deploy.nix

@@ -86,6 +86,11 @@ let
 in
 pkgs.stdenv.mkDerivation {
   name = "deploy-script";
+
+  # This script has a zillion dependencies and is trivial to build, so
+  # we don't want to build it remotely.
+  preferLocalBuild = true;
+  
   buildCommand = 
   ''
     ensureDir $out/bin