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steamify-cachyos/patches/steamify-gdm-session-select.sh
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#!/bin/bash
# steamos-session-select for GNOME (Steamify prototype): CachyOS's own ends the
# session with a KDE-only D-Bus call and goes to Plasma only. GDM logs in by itself only when it
# starts, so after the new session is set the user is ended and GDM restarted
# (patches/steamify-gdm-relogin.sh): it then logs the autologin user straight into it.
set -e
DM_ID="$(systemctl show -p Id --value display-manager)"
DM_ID="${DM_ID%.service}"
relogin() {
# Out of the running session into the one that was set.
case "$DM_ID" in
gdm) sudo -n /usr/local/libexec/steamify-gdm-relogin ;;
*)
# sddm and plasma-login-manager log in again by themselves (Relogin=true): just end the session.
if [[ "${XDG_CURRENT_DESKTOP:-}" == *GNOME* ]]; then gnome-session-quit --no-prompt --logout
else qdbus6 org.kde.Shutdown /Shutdown org.kde.Shutdown.logout; fi ;;
esac
}
case "$1" in
persistent)
systemctl --user mask cachyos-gamescope-autologin.service
pkexec /usr/lib/steamos/steam-set-session desktop ;;
oneshot)
systemctl --user unmask cachyos-gamescope-autologin.service
pkexec /usr/lib/steamos/steam-set-session gamescope-session.desktop ;;
gamescope)
pkexec /usr/lib/steamos/steam-set-session gamescope-session.desktop
relogin ;;
desktop|plasma|gnome)
# desktop: the preferred one; plasma or gnome: that one.
case "$1" in plasma) target=plasma.desktop ;; gnome) target=gnome.desktop ;; *) target=desktop ;; esac
pkexec /usr/lib/steamos/steam-set-session "$target"
steam -shutdown || true
systemctl --user stop gamescope-session.target || true
# Under GDM nothing logs in again by itself after the session ends.
[[ "$DM_ID" == gdm ]] && relogin ;;
*)
[[ -n "$1" ]] && echo -e "Unknown session '$1'\n"
echo "Usage: $(basename "$0") persistent|oneshot|gamescope|desktop"
exit 1 ;;
esac
if [[ -e /dev/input/.hidden ]]; then
pkexec mv /dev/input/.hidden/* /dev/input
pkexec rm -r /dev/input/.hidden
fi