Nixos without channels

i derived my setup from and i thought that i saw a discussion that something changed what can be passed to nix so that the build script can be simplified. the current build script is: #!/usr/bin/env bash set -euo pipefail # nix-instantiate --eval has no raw mode yet nixpkgsPath=$(nix-instantiate --eval --read-write-mode nixpkgs/path.nix | tr -d \") # Get the ./root.nix relative to this script configPath=$(realpath -- "$(dirname -- "${BASH_SOURCE[0]}")/root.nix") # nixos-rebuild always rea...