#!/bin/bash

echo "$0 $*"

BACKUPDIR=$HOME/backupboot
LOGFILE=/var/log/backupboot

echo > $LOGFILE

cd $BACKUPDIR

function execute
{
  echo "Executing $* " >> $LOGFILE
  $* 2>> $LOGFILE
  if [[ $? -ne 0 ]]
  then
    echo "Command '$*' ended in an error, see $LOGFILE" 1>&2
  fi
}

function backupbootinfo
{
  echo -n "Creating backup of boot info "
  mkdir -p $BACKUPDIR
  rm -f $BACKUPDIR/*
  echo -n "[/boot]  "
  ( 
    cd /boot
    execute tar cf $BACKUPDIR/boot.tar . 
  )
  echo -n "[master boot record]  "
  execute dd if=/dev/disk/by-id/ata-INTEL_SSDSA2M080G2GN_CVPO027300B4080JGN bs=1 count=512 of=mbr.bin > /dev/null

  echo -n "[partitioning]  "
  execute sfdisk -d /dev/disk/by-id/ata-INTEL_SSDSA2M080G2GN_CVPO027300B4080JGN > sfdisk.out 

  echo -n "[lvm info]  "
  execute pvs > pvs.out 
  echo "to $BACKUPDIR"
}

case "$1" in
  suspend) backupbootinfo
           ;;
  resume)  
           ;;
  *)       echo "Unknown option '$1'" 
           ;;
esac