{ pkgs, ... }: let # Based on https://unix.stackexchange.com/questions/16578/resizable-serial-console-window resize = pkgs.writeShellScriptBin "resize" '' export PATH=${pkgs.coreutils}/bin if [ ! -t 0 ]; then # not a interactive... exit 0 fi TTY="$(tty)" if [[ "$TTY" != /dev/ttyS* ]] && [[ "$TTY" != /dev/ttyAMA* ]] && [[ "$TTY" != /dev/ttySIF* ]]; then # probably not a known serial console, we could make this check more # precise by using `setserial` but this would require some additional # dependency exit 0 fi old=$(stty -g) stty raw -echo min 0 time 5 printf '\0337\033[r\033[999;999H\033[6n\0338' > /dev/tty IFS='[;R' read -r _ rows cols _ < /dev/tty stty "$old" stty cols "$cols" rows "$rows" ''; in { environment.loginShellInit = "${resize}/bin/resize"; # default is something like vt220... however we want to get alt least some colors... systemd.services."serial-getty@".environment.TERM = "xterm-256color"; }