pkgs: attrs: with pkgs; with attrs; rec { version = "0.8.0"; src = fetchFromGitHub { owner = "jbeder"; repo = "yaml-cpp"; rev = version; hash = "sha256-J87oS6Az1/vNdyXu3L7KmUGWzU0IAkGrGMUUha+xDXI="; }; }