#!/bin/sh

fscheck() {
  PANGRAM="The quick brown fox jumps over the lazy dog."
  echo -n "Checking for the filesystem ... "
  mkdir pangram ; ( cd pangram ; touch $PANGRAM )
  mv pangram pangram~ ; mkdir pangram ; touch -r pangram~ pangram
  tar cpf pangram.tar pangram ; rmdir pangram ; mv pangram~ pangram
  for i in $PANGRAM ; do tar rpf pangram.tar pangram/$i ; done
  touch -t `date '+%m%d0900'` pangram.tar ; gzip pangram.tar
  touch pangram.tar.gz ; mv pangram.tar.gz pangram1.tgz
  tar cpf pangram.tar pangram
  touch -t `date '+%m%d0900'` pangram.tar ; gzip pangram.tar
  touch pangram.tar.gz ; mv pangram.tar.gz pangram2.tgz
  if cmp -s pangram1.tgz pangram2.tgz ; then
    echo "OK"
    rm -rf pangram pangram1.tgz pangram2.tgz
  else
    echo "NG"
    cat <<- "EOF"
	Hmm, packaging may not be done properly on this filesystem.
	Would you please try again on a default filesystem, thanks!
	
	Happy packaging!!
	
	Quitting...
	EOF
    exit
  fi
}

fscheck