version "0.1.0" inputs { nixpkgs { archive { url "https://github.com/NixOS/nixpkgs/archive/{{cmd_value}}.tar.gz" } latest-cmd { $ git ls-remote --heads "https://github.com/NixOS/nixpkgs.git" --refs "refs/heads/nixpkgs-unstable" | cut -f1 } } }