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archivefile.sh
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#!/usr/bin/env bash
function PackArchiveFile {
shopt -s globstar
curinode=0
numfiles=$(find "${1}" -mindepth 1 -print | wc -l)
echo -n -e 'ArchiveFile1\x00${numfiles}\x00' > ${2}
for file in ${1}/**; do
fname="${file%/}"
echo "${fname}"
flinkname=""
fcurinode=${curinode}
finode=$(stat -c %i ${fname})
ftype=0
if [ -f ${fname} ]; then
ftype=0
fsize=$(printf "%x" $(stat -c %s ${fname}))
fi
if [ -L ${fname} ]; then
ftype=2
fsize=0
flinkname="$(readlink -f ${fname})"
fi
if [ -c ${fname} ]; then
ftype=3
fsize=0
fi
if [ -b ${fname} ]; then
ftype=4
fsize=0
fi
if [ -d ${fname} ]; then
ftype=5
fsize=0
fi
if [ -p ${fname} ]; then
ftype=6
fsize=0
fi
if [ -f ${fname} ]; then
if [[ ${inodetofile[${finode}]} ]]; then
ftype=1
flinkname=${inodetofile[${finode}]}
else
inodetofile[${finode}]=${fname}
curinode=$[curinode + 1]
fi
fi
fdev_minor=$(printf "%x" $(stat -c %T ${fname}))
fdev_major=$(printf "%x" $(stat -c %t ${fname}))
fatime=$(printf "%x" $(stat -c %X ${fname}))
fmtime=$(printf "%x" $(stat -c %Y ${fname}))
fctime=$(printf "%x" $(stat -c %Z ${fname}))
fbtime=$(printf "%x" $(stat -c %Z ${fname}))
fmode=$(stat -c %f ${fname})
fchmode=$(printf "%x" 0$(stat -c %a ${fname}))
fuid=$(printf "%x" $(stat -c %u ${fname}))
fgid=$(printf "%x" $(stat -c %g ${fname}))
funame=$(stat -c %U ${fname})
fgname=$(stat -c %G ${fname})
flinkcount=$(printf "%x" $(stat -c %h ${fname}))
finodehex=$(printf "%x" ${finode})
ftypehex=$(printf "%x" ${ftype})
tmpfile=$(mktemp);
echo -n "${ftypehex}" > ${tmpfile}
echo -n -e '\x00' >> ${tmpfile}
echo -n "${fname}" >> ${tmpfile}
echo -n -e '\x00' >> ${tmpfile}
echo -n "${flinkname}" >> ${tmpfile}
echo -n -e '\x00' >> ${tmpfile}
echo -n "${fsize}" >> ${tmpfile}
echo -n -e '\x00' >> ${tmpfile}
echo -n "${fatime}" >> ${tmpfile}
echo -n -e '\x00' >> ${tmpfile}
echo -n "${fmtime}" >> ${tmpfile}
echo -n -e '\x00' >> ${tmpfile}
echo -n "${fctime}" >> ${tmpfile}
echo -n -e '\x00' >> ${tmpfile}
echo -n "${fbtime}" >> ${tmpfile}
echo -n -e '\x00' >> ${tmpfile}
echo -n "${fmode}" >> ${tmpfile}
echo -n -e '\x00' >> ${tmpfile}
echo -n "${fuid}" >> ${tmpfile}
echo -n -e '\x00' >> ${tmpfile}
echo -n "${funame}" >> ${tmpfile}
echo -n -e '\x00' >> ${tmpfile}
echo -n "${fgid}" >> ${tmpfile}
echo -n -e '\x00' >> ${tmpfile}
echo -n "${fgname}" >> ${tmpfile}
echo -n -e '\x00' >> ${tmpfile}
echo -n "${fcurinode}" >> ${tmpfile}
echo -n -e '\x00' >> ${tmpfile}
echo -n "${finodehex}" >> ${tmpfile}
echo -n -e '\x00' >> ${tmpfile}
echo -n "${flinkcount}" >> ${tmpfile}
echo -n -e '\x00' >> ${tmpfile}
echo -n "${fdev_minor}" >> ${tmpfile}
echo -n -e '\x00' >> ${tmpfile}
echo -n "${fdev_major}" >> ${tmpfile}
echo -n -e '\x00' >> ${tmpfile}
echo -n "${fdev_minor}" >> ${tmpfile}
echo -n -e '\x00' >> ${tmpfile}
echo -n "${fdev_major}" >> ${tmpfile}
echo -n -e '\x00' >> ${tmpfile}
echo -n "0" >> ${tmpfile}
echo -n -e '\x00' >> ${tmpfile}
if [ "${4}" == "none" ]; then
echo -n "${4}" >> ${tmpfile}
echo -n -e '\x00' >> ${tmpfile}
archivefileheadercshex="0"
archivefilecontentcshex="0"
elif [ "${4}" == "crc32" ] || [ "${4}" == "" ]; then
echo -n "" >> ${tmpfile}
echo -n -e '\x00' >> ${tmpfile}
archivefileheadercshex=$(crc32 ${tmpfile} | cut -d ' ' -f 1)
if [ -f ${fname} ]; then
archivefilecontentcshex=$(crc32 ${fname} | cut -d ' ' -f 1)
else
archivefilecontentcshex=$(crc32 /dev/null | cut -d ' ' -f 1)
fi
elif [ "${4}" == "md5" ]; then
echo -n "md5" >> ${tmpfile}
echo -n -e '\x00' >> ${tmpfile}
archivefileheadercshex=$(md5sum ${tmpfile} | cut -d ' ' -f 1)
if [ -f ${fname} ]; then
archivefilecontentcshex=$(md5sum ${fname} | cut -d ' ' -f 1)
else
archivefilecontentcshex=$(md5sum /dev/null | cut -d ' ' -f 1)
fi
elif [ "${4}" == "sha1" ]; then
echo -n "${4}" >> ${tmpfile}
echo -n -e '\x00' >> ${tmpfile}
archivefileheadercshex=$(sha1sum ${tmpfile} | cut -d ' ' -f 1)
if [ -f ${fname} ]; then
archivefilecontentcshex=$(sha1sum ${fname} | cut -d ' ' -f 1)
else
archivefilecontentcshex=$(sha1sum /dev/null | cut -d ' ' -f 1)
fi
elif [ "${4}" == "sha224" ]; then
echo -n "${4}" >> ${tmpfile}
echo -n -e '\x00' >> ${tmpfile}
archivefileheadercshex=$(sha224sum ${tmpfile} | cut -d ' ' -f 1)
if [ -f ${fname} ]; then
archivefilecontentcshex=$(sha224sum ${fname} | cut -d ' ' -f 1)
else
archivefilecontentcshex=$(sha224sum /dev/null | cut -d ' ' -f 1)
fi
elif [ "${4}" == "sha256" ]; then
echo -n "${4}" >> ${tmpfile}
echo -n -e '\x00' >> ${tmpfile}
archivefileheadercshex=$(sha256sum ${tmpfile} | cut -d ' ' -f 1)
if [ -f ${fname} ]; then
archivefilecontentcshex=$(sha256sum ${fname} | cut -d ' ' -f 1)
else
archivefilecontentcshex=$(sha256sum /dev/null | cut -d ' ' -f 1)
fi
elif [ "${4}" == "sha384" ]; then
echo -n "${4}" >> ${tmpfile}
echo -n -e '\x00' >> ${tmpfile}
archivefileheadercshex=$(sha384sum ${tmpfile} | cut -d ' ' -f 1)
if [ -f ${fname} ]; then
archivefilecontentcshex=$(sha384sum ${fname} | cut -d ' ' -f 1)
else
archivefilecontentcshex=$(sha384sum /dev/null | cut -d ' ' -f 1)
fi
elif [ "${4}" == "sha512" ]; then
echo -n "${4}" >> ${tmpfile}
echo -n -e '\x00' >> ${tmpfile}
archivefileheadercshex=$(sha512sum ${tmpfile} | cut -d ' ' -f 1)
if [ -f ${fname} ]; then
archivefilecontentcshex=$(sha512sum ${fname} | cut -d ' ' -f 1)
else
archivefilecontentcshex=$(sha512sum /dev/null | cut -d ' ' -f 1)
fi
else
echo -n "crc32" >> ${tmpfile}
echo -n -e '\x00' >> ${tmpfile}
archivefileheadercshex=$(crc32 ${tmpfile} | cut -d ' ' -f 1)
if [ -f ${fname} ]; then
archivefilecontentcshex=$(crc32 ${fname} | cut -d ' ' -f 1)
else
archivefilecontentcshex=$(crc32 /dev/null | cut -d ' ' -f 1)
fi
fi
cat ${tmpfile} >> ${2}
rm -rf ${tmpfile}
echo -n "${archivefileheadercshex}" >> ${2}
echo -n -e '\x00' >> ${2}
echo -n "${archivefilecontentcshex}" >> ${2}
echo -n -e '\x00' >> ${2}
if [ -f ${fname} ]; then
cat ${fname} >> ${2}
fi
echo -n -e '\x00' >> ${2}
done
if [ "${3}" == "gzip" ]; then
gzip --quiet --best ${2}
elif [ "${3}" == "bzip2" ]; then
gzip --compress --quiet --best ${2}
elif [ "${3}" == "zstd" ]; then
zstd -19 --rm -qq --format=zstd ${2}
elif [ "${3}" == "lz4" ]; then
lz4 -9 -z --rm -qq ${2}
elif [ "${3}" == "lzo" ]; then
lzop -9 -U -q ${2}
elif [ "${3}" == "lzma" ]; then
lzma --compress --quiet -9 --extreme ${2}
elif [ "${3}" == "xz" ]; then
xz --compress --quiet -9 --extreme ${2}
elif [ "${3}" == "brotli" ]; then
brotli --rm --best ${2}
fi
}
PackArchiveFile "${1}" "${2}" "${3}" "${4}"