#!/bin/bash

set -e

START_DIR_DONT_CHANGE=`pwd`
SELF=$(basename "$0")
# required config items
RELENG_XORRISO=/usr/bin/xorriso
RELENG_GENISOIMAGE=/usr/bin/genisoimage
RELENG_MKISOFS=/usr/bin/mkisofs

# config file
CONFFILE=${HOME}/.libburnia-releng/${SELF}.conf
GEN_DATA_DIR=releng_generated_data/${SELF}

UPPER=4
KEEP=0

#####################################################################
print_help() {
 cat << HLP
Usage:
 $0 -help

# using a config file ${CONFFILE}
 $0 -rc [-keep]

# without using a config file
 $0 your_own_options_here

# cleanup test generated data directory and exit
 $0 -cleanup
HLP
}

#####################################################################
print_help
#if [ ! -x "${XOR}" ]; then
# printf "$0: Not found or not an executable: $XOR\n"
# exit 50
#fi

# xorriso version details, incl. underlying libraries
# "${XOR}" -version


printf "${SELF}: Generating sample tree\n"
for ((i1=0; i1 < ${UPPER}/4; i1++))
do
  for ((i2=0; i2 < ${UPPER}/2; i2++))
  do
    for ((i3=0; i3 < ${UPPER}; i3++))
    do
    mkdir -p ${GEN_DATA_DIR}/DirOne$i1/DirTwo$i2/DirThree$i3
    touch    ${GEN_DATA_DIR}/DirOne$i1/DirTwo$i2/DirThree$i3/FileOne
    done
  done
done

# Disk cache might play dirty games, so re-run these several times?
if [ -x ${RELENG_XORRISO} ]; then
  printf "${RELENG_XORRISO}\n"
  time ${RELENG_XORRISO} -as mkisofs -quiet -print-size ${GEN_DATA_DIR}
fi

if [ -x ${RELENG_GENISOIMAGE} ]; then
  printf "${RELENG_GENISOIMAGE}\n"
  time ${RELENG_GENISOIMAGE}         -quiet -print-size ${GEN_DATA_DIR}
fi

if [ -x ${RELENG_MKISOFS} ]; then
  printf "${RELENG_MKISOFS}\n" 
  time ${RELENG_MKISOFS}             -quiet -print-size ${GEN_DATA_DIR}
fi

cd ${START_DIR_DONT_CHANGE} || exit 2

rm -rf ${GEN_DATA_DIR}

printf "\n${SELF}: FAIL: SCRIPT NOT COMPLETED YET\n"
exit 31
exit 0