1 files changed, 48 insertions, 0 deletions
diff --git a/modules.d/90mgalive/mgalive-root.sh b/modules.d/90mgalive/mgalive-root.sh
new file mode 100755
index 0000000..1a36c70
--- /dev/null
+++ b/modules.d/90mgalive/mgalive-root.sh
@@ -0,0 +1,48 @@
+#!/bin/sh
+
+. /lib/dracut-lib.sh
+
+[ -f /tmp/root.info ] && . /tmp/root.info
+
+PATH=/usr/sbin:/usr/bin:/sbin:/bin
+
+[ -z "$1" ] && exit 1
+livedev="$1"
+
+# create live tree
+mkdir -m 0755 -p /live/distrib
+mkdir -m 0755 -p /live/media
+mkdir -m 0755 -p /live/tmpfs
+mkdir -m 0755 -p /live/union
+mkdir -m 0755 -p /run/mgalive/ovlsize
+
+# fix udev isohybrid LABEL issues (mga #3334)
+# by reading the device we get, stripping away partition number,
+# and mount the resulting device
+realdev=$(echo $livedev |sed 's,\(/dev/sd[a-z]\)1,\1,g')
+
+# mount the live media
+getargbool 0 UEFI && liveuefi="yes"
+if [ -n "$liveuefi" ]; then
+    mount -n -t vfat -o ro $livedev /live/media
+else
+    mount -n -t iso9660 -o ro $realdev /live/media
+fi
+
+LOOPDEV=$( losetup -f )
+losetup -r $LOOPDEV /live/media/loopbacks/distrib-lzma.sqfs
+mount -n -t squashfs -o ro $LOOPDEV /live/distrib
+mount -n -t squashfs -o ro $LOOPDEV /run/mgalive/ovlsize
+mount -n -t tmpfs -o mode=755 /live/tmpfs /live/tmpfs
+# work and memory must be on same root
+mkdir -m 0755 -p /live/tmpfs/work
+mkdir -m 0755 -p /live/tmpfs/memory
+mount -n -t overlay overlay -o lowerdir=/live/distrib,upperdir=/live/tmpfs/memory,workdir=/live/tmpfs/work /live/union
+
+ln -s /live/union /dev/root
+
+printf '/bin/mount --rbind /live/union %s\n' "$NEWROOT" > $hookdir/mount/01-$$-live.sh
+
+need_shutdown
+
+exit 0