#!/bin/bash

# update turns on GDM, which fails every time while another login screen is
# on. Keep that one, as install.sh now offers, by marking GDM as turned off.
SERVICES_OFF="$HOME/.config/coredesktop/services-off"

dm="$(readlink /etc/systemd/system/display-manager.service 2> /dev/null)"
dm="$(basename "${dm:-none}")"
[ "$dm" = none ] || [ "$dm" = gdm.service ] && exit 0
grep -qsx "system gdm.service" "$SERVICES_OFF" && exit 0

mkdir -p "$(dirname "$SERVICES_OFF")" || exit 1
echo "system gdm.service" >> "$SERVICES_OFF"
echo "Your login screen is ${dm%.service}, so update no longer tries to turn on GNOME's (GDM)."