gentoo-overlay/x11-misc/virtualgl/files/vgl.initd-r4

#!/sbin/openrc-run
# Copyright 1999-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

# TODO: description="*" and other OpenRC 0.9+ candies

depend() {
	need display-manager
	after sshd
}

start() {
	ebegin "Starting VirtualGL"
	truncate --size=0 /var/lib/VirtualGL/vgl_xauth_key

  set_xauth

  if [ -z "$XAUTHORITY" ]; then

    einfo "Waiting for xauthority..."

    # wait for xauth file
    while true; do 
      set_xauth

      if [ -e "$XAUTHORITY" ]; then
        break;
      fi

      sleep 1
    done 
  fi


	xauth -f /var/lib/VirtualGL/vgl_xauth_key add $DISPLAY . $(xauth -f $XAUTHORITY list | awk '{print $3;exit}') && \
		chmod 644 /var/lib/VirtualGL/vgl_xauth_key
	eend $?
}

stop() {
	ebegin "Stopping VirtualGL"
	[ -f /var/lib/VirtualGL/vgl_xauth_key ] && \
		rm /var/lib/VirtualGL/vgl_xauth_key
	eend $?
}