From d3ef216c34d9b8e0c720cbb3b9b3b88da63b08a2 Mon Sep 17 00:00:00 2001
From: Martin Whitaker <mageia@martin-whitaker.me.uk>
Date: Sun, 15 Apr 2018 22:03:06 +0100
Subject: Support persistance and multiboot USB sticks in examples.

---
 examples/dracut/mgalive-parse.sh | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100755 examples/dracut/mgalive-parse.sh

(limited to 'examples/dracut/mgalive-parse.sh')

diff --git a/examples/dracut/mgalive-parse.sh b/examples/dracut/mgalive-parse.sh
new file mode 100755
index 0000000..c5225ba
--- /dev/null
+++ b/examples/dracut/mgalive-parse.sh
@@ -0,0 +1,31 @@
+#!/bin/sh
+# live images are specified with
+# root=mgalive:backingdev
+
+[ -z "$root" ] && root=$(getarg root=)
+
+if [ "${root%%:*}" = "mgalive" ] ; then
+    liveroot=$root
+fi
+
+[ "${liveroot%%:*}" = "mgalive" ] || return
+
+modprobe -q loop
+
+case "$liveroot" in
+    mgalive:LABEL=*|LABEL=*) \
+        root="${root#mgalive:}"
+        root="$(echo $root | sed 's,/,\\x2f,g')"
+        root="mgalive:/dev/disk/by-label/${root#LABEL=}"
+        rootok=1 ;;
+    mgalive:UUID=*|UUID=*) \
+        root="${root#mgalive:}"
+        root="mgalive:/dev/disk/by-uuid/${root#UUID=}"
+        rootok=1 ;;
+esac
+info "root was $liveroot, is now $root"
+
+# make sure that init doesn't complain
+[ -z "$root" ] && root="mgalive"
+
+wait_for_dev /live/union
-- 
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