63 lines
1.6 KiB
Bash
63 lines
1.6 KiB
Bash
|
#!/bin/sh
|
||
|
|
# live images are specified with
|
||
|
|
# root=live:backingdev
|
||
|
|
|
||
|
|
[ -z "$root" ] && root=$(getarg root=)
|
||
|
|
|
||
|
|
# support legacy syntax of passing liveimg and then just the base root
|
||
|
|
if getargbool 0 rd.live.image -d -y liveimg; then
|
||
|
|
liveroot="live:$root"
|
||
|
|
fi
|
||
|
|
|
||
|
|
if [ "${root%%:*}" = "live" ] ; then
|
||
|
|
liveroot=$root
|
||
|
|
fi
|
||
|
|
|
||
|
|
[ "${liveroot%%:*}" = "live" ] || return 1
|
||
|
|
|
||
|
|
modprobe -q loop
|
||
|
|
|
||
|
|
case "$liveroot" in
|
||
|
|
live:LABEL=*|LABEL=*) \
|
||
|
|
root="${root#live:}"
|
||
|
|
root="$(echo $root | sed 's,/,\\x2f,g')"
|
||
|
|
root="live:/dev/disk/by-label/${root#LABEL=}"
|
||
|
|
rootok=1 ;;
|
||
|
|
live:CDLABEL=*|CDLABEL=*) \
|
||
|
|
root="${root#live:}"
|
||
|
|
root="$(echo $root | sed 's,/,\\x2f,g')"
|
||
|
|
root="live:/dev/disk/by-label/${root#CDLABEL=}"
|
||
|
|
rootok=1 ;;
|
||
|
|
live:UUID=*|UUID=*) \
|
||
|
|
root="${root#live:}"
|
||
|
|
root="live:/dev/disk/by-uuid/${root#UUID=}"
|
||
|
|
rootok=1 ;;
|
||
|
|
live:PARTUUID=*|PARTUUID=*) \
|
||
|
|
root="${root#live:}"
|
||
|
|
root="live:/dev/disk/by-partuuid/${root#PARTUUID=}"
|
||
|
|
rootok=1 ;;
|
||
|
|
live:PARTLABEL=*|PARTLABEL=*) \
|
||
|
|
root="${root#live:}"
|
||
|
|
root="live:/dev/disk/by-partlabel/${root#PARTLABEL=}"
|
||
|
|
rootok=1 ;;
|
||
|
|
live:/*.[Ii][Ss][Oo]|/*.[Ii][Ss][Oo])
|
||
|
|
root="${root#live:}"
|
||
|
|
root="liveiso:${root}"
|
||
|
|
rootok=1 ;;
|
||
|
|
live:/dev/*)
|
||
|
|
rootok=1 ;;
|
||
|
|
live:/*.[Ii][Mm][Gg]|/*.[Ii][Mm][Gg])
|
||
|
|
[ -f "${root#live:}" ] && rootok=1 ;;
|
||
|
|
esac
|
||
|
|
|
||
|
|
[ "$rootok" = "1" ] || return 1
|
||
|
|
|
||
|
|
info "root was $liveroot, is now $root"
|
||
|
|
|
||
|
|
# make sure that init doesn't complain
|
||
|
|
[ -z "$root" ] && root="live"
|
||
|
|
|
||
|
|
wait_for_dev -n /dev/mapper/live-rw
|
||
|
|
|
||
|
|
return 0
|