54 lines
1.2 KiB
Bash
Executable File
54 lines
1.2 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 "$liveroot" in
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live:LABEL=* | LABEL=* | live:UUID=* | UUID=* | live:PARTUUID=* | PARTUUID=* | live:PARTLABEL=* | PARTLABEL=*)
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root="live:$(label_uuid_to_dev "${root#live:}")"
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rootok=1
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;;
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live:CDLABEL=* | CDLABEL=*)
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root="${root#live:}"
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root="$(echo "$root" | sed 's,/,\\x2f,g;s, ,\\x20,g')"
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root="live:/dev/disk/by-label/${root#CDLABEL=}"
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rootok=1
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;;
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live:/*.[Ii][Ss][Oo] | /*.[Ii][Ss][Oo])
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root="${root#live:}"
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root="liveiso:${root}"
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rootok=1
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;;
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live:/dev/*)
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rootok=1
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;;
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live:/*.[Ii][Mm][Gg] | /*.[Ii][Mm][Gg])
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[ -f "${root#live:}" ] && rootok=1
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;;
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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/root
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return 0
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