infodir=/usr/share/info
filelist=(pcb.info pcb.info-1 pcb.info-2)

post_install() {
   if [ -x /usr/bin/update-mime-database ]; then
      echo Updating mime database...
      /usr/bin/update-mime-database /usr/share/mime
   fi
   if [ -x /usr/bin/update-desktop-database ]; then
      echo Updating desktop database..
      /usr/bin/update-desktop-database /usr/share/applications
   fi
   if [ -x /usr/bin/install-info ]; then
      echo Updating info directory...
      for file in ${filelist[@]}; do
        install-info $infodir/$file $infodir/dir 2> /dev/null
      done
   fi 
   /usr/bin/gtk-update-icon-cache -f -t /usr/share/icons/hicolor	
}
 
post_upgrade() {
   post_install $1
}

pre_remove() {
   if [ -x /usr/bin/install-info ]; then
      echo Updating info directory...
      for file in ${filelist[@]}; do
        install-info --delete $infodir/$file $infodir/dir 2> /dev/null
      done
   fi	
}

post_remove() {
   /usr/bin/gtk-update-icon-cache -f -t /usr/share/icons/hicolor
}