1 files changed, 57 insertions, 0 deletions
diff --git a/modules.d/90dmsquash-live/parse-dmsquash-live.sh b/modules.d/90dmsquash-live/parse-dmsquash-live.sh
new file mode 100755
index 0000000..de910b3
--- /dev/null
+++ b/modules.d/90dmsquash-live/parse-dmsquash-live.sh
@@ -0,0 +1,57 @@
+#!/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 "$liveroot" in
+    live:LABEL=* | LABEL=* | live:UUID=* | UUID=* | live:PARTUUID=* | PARTUUID=* | live:PARTLABEL=* | PARTLABEL=*)
+        root="live:$(label_uuid_to_dev "${root#live:}")"
+        rootok=1
+        ;;
+    live:CDLABEL=* | CDLABEL=*)
+        root="${root#live:}"
+        root="$(echo "$root" | sed 's,/,\\x2f,g;s, ,\\x20,g')"
+        root="live:/dev/disk/by-label/${root#CDLABEL=}"
+        rootok=1
+        ;;
+    live:/*.[Ii][Ss][Oo] | /*.[Ii][Ss][Oo])
+        root="${root#live:}"
+        root="liveiso:${root}"
+        rootok=1
+        ;;
+    live:/dev/*)
+        root="live:${root#live:}"
+        rootok=1
+        ;;
+    live:/*.[Ii][Mm][Gg] | /*.[Ii][Mm][Gg])
+        [ -f "${root#live:}" ] && rootok=1
+        ;;
+    live:nfs*)
+        rootok=1
+        ;;
+esac
+
+[ "$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