libisoburn/releng/releng_printsize

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#!/bin/bash
set -e
START_DIR_DONT_CHANGE=`pwd`
SELF=$(basename "$0")
# required config items
RELENG_XORRISO=""
RELENG_GENISOIMAGE=/usr/bin/genisoimage
RELENG_MKISOFS=/usr/bin/mkisofs
# config file
CONFFILE=${HOME}/.libburnia-releng/${SELF}.conf
GEN_DATA_DIR=releng_generated_data/${SELF}
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UPPER=40
KEEP=0
#####################################################################
print_help() {
cat << HLP
Usage:
$0 -help
# using a config file ${CONFFILE}
$0 -rc [-keep]
# without using a config file
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$0 xorriso_cmd
# cleanup test generated data directory and exit
$0 -cleanup
HLP
}
#####################################################################
# cleanup
if [ "${1}" == "-cleanup" ]; then
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cd "${START_DIR_DONT_CHANGE}" || exit 2
if [ -d "${GEN_DATA_DIR}" ]; then
rm -rf ${GEN_DATA_DIR}
printf "${SELF}: removed %s\n" ${GEN_DATA_DIR}
else
printf "${SELF}: ${GEN_DATA_DIR} does not exist.\n"
fi
exit 0
fi
# help
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if [ ! "${1}" ]; then print_help && exit 3; fi
# config file
if [ "${1}" == "-rc" ]; then
if [ -e ${CONFFILE} ]; then
. ${CONFFILE}
printf "${SELF}: Using config file %s\n" ${CONFFILE}
else
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echo -e "\n${SELF}: Config file ${CONFFILE} not found.\n" && exit 4
fi
if [ "${2}" == "-keep" ]; then KEEP=1; fi
# command line args
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elif [ "${1}" ]; then
RELENG_XORRISO="${1}"
if [ "${2}" == "-keep" ]; then KEEP=1; fi
# the rest
else
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print_help && exit 5
fi
# data dir
if [ -d "${GEN_DATA_DIR}" ]; then
printf "\n${SELF}: directory %s exists!" ${GEN_DATA_DIR}
printf "\n${SELF}: use '${SELF} -cleanup' to remove.\n"
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exit 6
else
mkdir "${GEN_DATA_DIR}"
fi
if [ "${RELENG_XORRISO}" == "" ]; then
echo -e "\n${SELF}: xorriso_cmd is required\n"
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exit 7
fi
if [ ! -x "${RELENG_XORRISO}" ]; then
printf "${SELF}: Not found or not an executable: $RELENG_XORRISO\n"
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exit 8
fi
# all must be set at this point
printf "${SELF}: Config items:"
printf "\n\txorriso_cmd=${RELENG_XORRISO}\n"
# xorriso version details, incl. underlying libraries
"${RELENG_XORRISO}" -version
if ! "${RELENG_XORRISO}" -version | grep libjte >/dev/null 2>&1; then
printf "\n${SELF}: JTE not supported with this xorriso build. Install jigit and rebuild."
printf "\n${SELF}: See http://www.einval.com/~steve/software/JTE/\n"
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exit 9
fi
################################################
printf "${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
if [ ${KEEP} -eq 0 ]; then
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cd ${START_DIR_DONT_CHANGE} || exit 10
rm -rf ${GEN_DATA_DIR}
fi
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exit 0