{ pkgs, ... }: pkgs.writeShellScriptBin "check" # bash '' check_nginx() { ssh apollo systemctl show nginx | grep '^ExecStart=' | grep -oP ' -c \K[^ ]+' | xargs cat } while [[ $# -gt 0 ]]; do case "$1" in nginx) check_nginx exit 0 ;; *) echo "Unrecognised parameter." exit 1 ;; esac done ''