etc/X11/Xsession.d/95dbus_update-activation-env

# vim:set ft=sh sw=2 sts=2 et:

if [ -n "$DBUS_SESSION_BUS_ADDRESS" ] && \
    [ -x "/usr/bin/dbus-update-activation-environment" ]; then
  # subshell so we can unset environment variables
  (
    # unset login-session-specifics
    unset XDG_SEAT
    unset XDG_SESSION_ID
    unset XDG_VTNR

    # tell dbus-daemon --session (and systemd --user, if running)
    # to put the Xsession's environment in activated services'
    # environments
    dbus-update-activation-environment --verbose --systemd --all
  )
fi