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#!/bin/sh
# live images are specified with
# root=mgalive:backingdev
[ -z "$root" ] && root=$(getarg root=)
if [ "${root%%:*}" = "mgalive" ] ; then
liveroot=$root
fi
[ "${liveroot%%:*}" = "mgalive" ] || return
modprobe -q loop
case "$liveroot" in
mgalive:LABEL=*|LABEL=*) \
root="${root#mgalive:}"
root="$(echo $root | sed 's,/,\\x2f,g')"
root="mgalive:/dev/disk/by-label/${root#LABEL=}"
rootok=1 ;;
esac
info "root was $liveroot, is now $root"
# make sure that init doesn't complain
[ -z "$root" ] && root="mgalive"
wait_for_dev /live/union
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