done
nixops set-args --argstr privateFiles "$TEMP"
-export NIX_PATH="ssh-config-file=$(dirname $DIR)/ssh/config:nixpkgs=$HOME/.nix-defexpr/channels/immaeNixpkgs"
+# This will automatically upgrade to latest version at each build
+# nixpkgs="https://nixos.org/channels/nixos-19.03/nixexprs.tar.xz"
+nixpkgs="https://releases.nixos.org/nixos/19.03/nixos-19.03beta171840.23fd1394dc6/nixexprs.tar.xz"
+nixpkgsPrevious="$nixpkgs"
+nixpkgsNext="$nixpkgs"
+export NIX_PATH="ssh-config-file=$(dirname $DIR)/ssh/config:nixpkgs=$nixpkgs:nixpkgsNext=$nixpkgsNext:nixpkgsPrevious=$nixpkgsPrevious"
nixops "$@"