#!/bin/sh

if [ -z "$1" -o -z "$2" -o -z "$3" -o -z "$4" -o -z "$5" -o -z "$6" -o -z "$7" ]; then
  echo "This script is expected to be run from dar this way:"
  echo "dar ... -E \"$0 %p %b %n %e %c <mount point> <slice size -KB)>\" ..."
  echo "where %p %b ... %c are to be used verbatim, while <mount point> is to be"
  echo "replaced by the path of the mounted filesystem to monitor"
  echo "and <slice size> by the minimum space required to store a full slice"
  exit 1
fi


SLICE_PATH="$1"
SLICE_BASENAME="$2"
SLICE_NUMBER="$3"
SLICE_EXTENSION="$4"
DAR_CONTEXT="$5"
MOUNT_POINT="$6"
SLICE_SIZE="$7"


FREE=`df $MOUNT_POINT | grep '/' | sed -re 's/.*[ ]+([0-9]+)[ ]+[0-9]+%.*/\1/'`

while [ $FREE -le $SLICE_SIZE ]; do
FREE=`df $MOUNT_POINT | grep '/' | sed -re 's/.*[ ]+([0-9]+)[ ]+[0-9]+%.*/\1/'`
echo Free space on $MOUNT_POINT is $FREE KB
echo "Waiting for disk change... Press enter when ready to continue!"
read i
done

echo "Continuing with slice $SLICE_NUMBER"