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