#!/bin/bash

if [ -z "$NIXOPS_DEPLOYMENT" ]; then
  # This will automatically upgrade to latest version at each build
  nixpkgs="https://nixos.org/channels/nixos-19.03/nixexprs.tar.xz"
else
  nixpkgs="https://releases.nixos.org/nixos/19.03/nixos-19.03.172396.d740b2ee855/nixexprs.tar.xz"
fi
nixpkgsPrevious="$nixpkgs"
nixpkgsNext="$nixpkgs"
export NIX_PATH="nixpkgs=$nixpkgs:nixpkgsNext=$nixpkgsNext:nixpkgsPrevious=$nixpkgsPrevious"