#! /bin/sh
lmpath="$(cat /proc/cmdline | tr ' ' '\n' | grep live-media-path=)"
lmpath="${lmpath##live-media-path=}"
mediumdev="$(findmnt --output SOURCE -n --raw /lib/live/mount/medium)"
if [ -z "${mediumdev}" ] ; then
  cat << EOF
Boot without persistence option before running ${0}.
EOF
  exit 15
else
  mount -o remount,rw ${mediumdev} /lib/live/mount/medium
fi
if [ -n "${lmpath}" ] && [ ! -e /lib/live/mount/medium/live ] ; then ln -s ${lmpath} /lib/live/mount/medium/live ; fi
live-update-initramfs -k $(uname -r) -u -v
if [ -h /lib/live/mount/medium/live ] ; then rm /lib/live/mount/medium/live ; fi
if [ -e /lib/live/mount/medium/${lmpath:-live}/initrd.lz ] ; then rm /lib/live/mount/medium/${lmpath:-live}/initrd.lz ; fi
mv /lib/live/mount/medium/${lmpath:-live}/initrd.img /lib/live/mount/medium/${lmpath:-live}/initrd.lz
if [ -e /media/${USER}/DEEPINOS/live/vmlinuz ] ; then rm /media/${USER}/DEEPINOS/live/vmlinuz ; fi
if [ -e /media/${USER}/DEEPINOS/live/vmlinuz.efi ] ; then rm /media/${USER}/DEEPINOS/live/vmlinuz.efi ; fi
if [ -e /media/${USER}/DEEPINOS/live/initrd.lz ] ; then rm /media/${USER}/DEEPINOS/live/initrd.lz ; fi
if $( mountpoint -q /media/${USER}/DEEPINOS ) ; then
  tar cvf - -C /lib/live/mount/medium/${lmpath:-live} initrd.lz vmlinuz | sudo tar xf - --no-same-owner -C /media/${USER}/DEEPINOS/live
  mv /media/${USER}/DEEPINOS/live/vmlinuz /media/${USER}/DEEPINOS/live/vmlinuz.efi
  tar cvf - -C /lib/live/mount/medium/${lmpath:-live} vmlinuz | sudo tar xf - --no-same-owner -C /media/${USER}/DEEPINOS/live
  rm /media/${USER}/DEEPINOS/md5sum.txt
  ( cd /media/${USER}/DEEPINOS ; find \! -name md5sum.txt -type f -print0 | xargs -0 md5sum | grep -v 'syslinux/boot.cat\|filesystem.module' | tee md5sum.txt )
fi