bus: install unit files for new driver service

Makefile.am

@@ -3728,8 +3728,21 @@ systemd_bus_driverd_LDADD = \
 
 rootlibexec_PROGRAMS += \
 	systemd-bus-driverd
+
+nodist_systemunit_DATA += \
+	units/systemd-bus-driverd.service
+
+dist_systemunit_DATA += \
+	units/org.freedesktop.DBus.busname
+
+BUSNAMES_TARGET_WANTS += \
+	org.freedesktop.DBus.busname
+
 endif
 
+EXTRA_DIST += \
+	units/systemd-bus-driverd.service.in
+
 # ------------------------------------------------------------------------------
 if ENABLE_LOCALED
 systemd_localed_SOURCES = \

src/bus-driverd/Makefile

@@ -0,0 +1 @@
+../Makefile

units/.gitignore

@@ -22,6 +22,7 @@
 /systemd-ask-password-wall.service
 /systemd-backlight@.service
 /systemd-binfmt.service
+/systemd-bus-driverd.service
 /systemd-bus-proxyd@.service
 /systemd-fsck-root.service
 /systemd-fsck@.service

units/org.freedesktop.DBus.busname

@@ -0,0 +1,12 @@
+#  This file is part of systemd.
+#
+#  systemd is free software; you can redistribute it and/or modify it
+#  under the terms of the GNU Lesser General Public License as published by
+#  the Free Software Foundation; either version 2.1 of the License, or
+#  (at your option) any later version.
+
+[Unit]
+Description=Bus Driver Service Bus Name
+
+[BusName]
+Service=systemd-bus-driverd.service

units/systemd-bus-driverd.service.in

@@ -0,0 +1,14 @@
+#  This file is part of systemd.
+#
+#  systemd is free software; you can redistribute it and/or modify it
+#  under the terms of the GNU Lesser General Public License as published by
+#  the Free Software Foundation; either version 2.1 of the License, or
+#  (at your option) any later version.
+
+[Unit]
+Description=Bus Driver Service
+
+[Service]
+ExecStart=@rootlibexecdir@/systemd-bus-driverd
+BusName=org.freedesktop.DBus
+WatchdogSec=1min