For auto-login on systems with elogind, dbus-system needs to be started. This
commit adds ability to express that ordering.
* gnu/services/base.scm (<mingetty-configuration>): Add shepherd-requirement
field.
(mingetty-shepherd-service): Use it.
* doc/guix.texi (Base Services)<mingetty-configuration>: Document it.
Change-Id: Iedbdc4375180740379d561aa193d7c63350d2e7b
Modified-by: Maxim Cournoyer <maxim.cournoyer@gmail.com>
Signed-off-by: Maxim Cournoyer <maxim.cournoyer@gmail.com>