View file File name : parse-block.sh Content :#!/bin/sh case "$root" in block:LABEL=*|LABEL=*) root="${root#block:}" root="$(echo $root | sed 's,/,\\x2f,g')" root="block:/dev/disk/by-label/${root#LABEL=}" rootok=1 ;; block:UUID=*|UUID=*) root="${root#block:}" root="${root#UUID=}" root="$(echo $root | tr "[:upper:]" "[:lower:]")" root="block:/dev/disk/by-uuid/${root#UUID=}" rootok=1 ;; block:PARTUUID=*|PARTUUID=*) root="${root#block:}" root="${root#PARTUUID=}" root="$(echo $root | tr "[:upper:]" "[:lower:]")" root="block:/dev/disk/by-partuuid/${root}" rootok=1 ;; block:PARTLABEL=*|PARTLABEL=*) root="${root#block:}" root="block:/dev/disk/by-partlabel/${root#PARTLABEL=}" rootok=1 ;; /dev/*) root="block:${root}" rootok=1 ;; esac [ "${root%%:*}" = "block" ] && wait_for_dev "${root#block:}"