MT#6807 Use systemd from backports

deployment.sh

@@ -934,8 +934,22 @@ if "$SYSTEMD" ; then
   cat > /etc/debootstrap/scripts/systemd.sh << EOF
 #!/bin/bash
 # installed via deployment.sh
+
+echo "systemd.sh: mounting rootfs $ROOT_FS to $TARGET"
 mount "$ROOT_FS" "$TARGET"
-echo 'Yes, do as I say!' | chroot $TARGET apt-get install --force-yes -y systemd-sysv sysvinit-
+
+echo "systemd.sh: enabling ${DEBIAN_RELEASE} backports"
+echo deb http://debian.sipwise.com/debian/ ${DEBIAN_RELEASE}-backports main contrib non-free >> ${TARGET}/etc/apt/sources.list.d/tmp_systemd.list
+chroot $TARGET apt-get update
+
+echo "systemd.sh: installing systemd"
+echo 'Yes, do as I say!' | chroot $TARGET apt-get -t ${DEBIAN_RELEASE}-backports --force-yes -y install systemd-sysv sysvinit-
+
+echo "systemd.sh: getting rid of ${DEBIAN_RELEASE} backports again"
+rm ${TARGET}/etc/apt/sources.list.d/tmp_systemd.list
+chroot $TARGET apt-get update
+
+echo "systemd.sh: unmounting $TARGET again"
 umount "$TARGET"
 EOF
   chmod 775 /etc/debootstrap/scripts/systemd.sh