#!/bin/sh
#Check kernel support compression XZ from SquashFS (for PuppyRus), by Zay.
#Version 0.2
#Modify 30.11.2013

kerneluname="$(uname -r)"
kernel1ver="$(echo -n "${kerneluname}" | cut -f 1 -d '.' | cut -f 1 -d '-')"
if [ ${kernel1ver} -lt 3 ];then
  kernel2ver="$(echo -n "${kerneluname}" | cut -f 2 -d '.' | cut -f 1 -d '-')"
  if [ ${kernel2ver} -lt 6 ];then
    echo "Kernel does not support SquashFS compressed XZ!" >&2; exit 1
  else
    kernel3ver="$(echo -n "${kerneluname}" | cut -f 3 -d '.' | cut -f 1 -d '-')"
    if [ ${kernel3ver} -lt 38 ]; then
      echo "Kernel does not support SquashFS compressed XZ!" >&2; exit 1
    fi
  fi
fi
exit 0
