Shepherd and Mate: restore suspend/poweroff/reboot, automounting drives
=======================================================================

lightdm and Mate will offer that automatically or with a click on a
menu. But today they will ask directly systemd for these functions,
and that won't work with shepherd.

Package elogind is intended to help you in that case, but it has a
conflict with systemd (which has the competing executable
systemd-logind). In the case of running shepherd-debian with
systemd-sysv as the failsafe init system, this is not a real conflict,
so I offer also a modified elogind package (with dependencies
libpam-elogind and libelogind0) which you can install. It uses
alternatives to not clobber original systemd files, and elogind-daemon
is dbus activated.

In the case of Mate, you still have a polkit issue
(polkit-mate-authentication-agent-1 can't be launched, so no
authentication window). This can be solved by editing these files:

/usr/share/polkit-1/actions/org.freedesktop.login1.policy

/usr/share/polkit-1/actions/org.freedesktop.UDisks2.policy

and setting the appropriate "allow_any" and "allow_inactive" to
"yes". See files login1.patch and udisk2.patch for a minimal set of
mofifications.

For halt/reboot, you have also to add the following script in
/lib/elogind/system-shutdown:

#! /bin/sh
if [ "$1" = "reboot" ]; then
    /sbin/reboot
elif [ "$1" = "poweroff" ]; then
    /sbin/halt
fi