Fix OpenRC Alpine

Author: j8r

openrc/alpine/Dockerfile

@@ -6,6 +6,6 @@ RUN apk add --no-cache openrc \
     && sed -i -e 's/#rc_sys=""/rc_sys="lxc"/g' -e 's/^#\(rc_logger="YES"\)$/\1/' /etc/rc.conf \
     && sed -i '/tty/d' /etc/inittab \
     && sed -i 's/hostname $opts/# hostname $opts/g' /etc/init.d/hostname \
-    && sed -i 's/mount -t tmpfs/# mount -t tmpfs/g' /lib/rc/sh/init.sh
+    && sed -i 's/ dev//' /etc/init.d/machine-id
 
 ENTRYPOINT ["/sbin/init"]