name : parse-dmsquash-live.sh #!/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="${root//\//\\x2f}" root="live:/dev/disk/by-label/${root#LABEL=}" rootok=1 ;; live:CDLABEL=*|CDLABEL=*) \ root="${root#live:}" root="${root//\//\\x2f}" 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/root return 0