PREUN

/bin/sh

if [ "$1" = "0" ]; then if [[ -f /usr/share/info/grub.info.bz2 ]];then /sbin/install-info /usr/share/info/grub.info.bz2 --dir=/usr/share/info/dir --remove ;fi; fi 

if [ "$1" = "0" ]; then if [[ -f /usr/share/info/multiboot.info.bz2 ]];then /sbin/install-info /usr/share/info/multiboot.info.bz2 --dir=/usr/share/info/dir --remove ;fi; fi

POSTIN

/bin/sh

if [ -f /boot/grub/install.sh ]; then
  if [ -x /usr/sbin/detectloader ]; then
    LOADER=$(/usr/sbin/detectloader)
    if [ "$LOADER" = "GRUB" ]; then
      sh /boot/grub/install.sh > /dev/null
    fi
  fi
fi

if [[ -f /usr/share/info/grub.info.bz2 ]];then /sbin/install-info /usr/share/info/grub.info.bz2 --dir=/usr/share/info/dir;fi 

if [[ -f /usr/share/info/multiboot.info.bz2 ]];then /sbin/install-info /usr/share/info/multiboot.info.bz2 --dir=/usr/share/info/dir;fi