-if [ -z "$NIXOPS_DEPLOYMENT" ]; then
- # This will automatically upgrade to latest version at each build
- nixpkgs="https://nixos.org/channels/nixos-19.03/nixexprs.tar.xz"
-else
- nixpkgs="https://releases.nixos.org/nixos/19.03/nixos-19.03.172530.096e2f137b6/nixexprs.tar.xz"
-fi
+# This will automatically upgrade to latest version at each build
+nixpkgs="https://nixos.org/channels/nixos-19.03/nixexprs.tar.xz"