123 lines
4.1 KiB
Bash
Executable File
123 lines
4.1 KiB
Bash
Executable File
#!/bin/bash
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# We need rpmdev-vercmp
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rpm -q rpmdevtools > /dev/null 2>&1 || (echo 'rpmdev-vercmp from rpmdevtools is needed to run this script, aborting (failed).'; exit 1)
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# Define block sizes
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blocks=(4K 1M)
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# Define fill files
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fill=(/dev/zero /dev/urandom)
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# Define number of iterations
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iter=5
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# Define fragment sizes
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frags=(0 1 2047 4095)
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# Define test directory
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testdir=/tmp/test-squashfs
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# Define mount point
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mp=${testdir}/mnt
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# Define data directory
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datadir=${testdir}/data
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# Check for squashfs-tools version and set compression types to test
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sqfsver=`rpm -q --qf '%{EVR}' squashfs-tools`
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if rpmdev-vercmp 4.1 ${sqfsver} > /dev/null; [ $? == '11' ]; then
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ucomp=('gzip')
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elif rpmdev-vercmp 4.2 ${sqfsver} > /dev/null; [ $? == '11' ]; then
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ucomp=(gzip lzo lzma)
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elif rpmdev-vercmp 4.3-1 ${sqfsver} > /dev/null; [ $? == '11' ]; then
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ucomp=(gzip lzo lzma xz)
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elif rpmdev-vercmp 4.3-21 ${sqfsver} > /dev/null; [ $? == '11' ]; then
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ucomp=(gzip lzo lzma xz lz4)
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else
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ucomp=(gzip lzo lzma xz lz4 zstd)
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fi
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# Check for kernel verion and set mount test compression types
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kernel=`uname -r`
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if rpmdev-vercmp 2.6.36 ${kernel} > /dev/null; [ $? == '11' ]; then
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mcomp=('gzip')
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elif rpmdev-vercmp 2.6.38 ${kernel} > /dev/null; [ $? == '11' ]; then
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mcomp=(gzip lzo)
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elif rpmdev-vercmp 3.19 ${kernel} > /dev/null; [ $? == '11' ]; then
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mcomp=(gzip lzo xz)
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elif rpmdev-vercmp 4.14 ${kernel} > /dev/null; [ $? == '11' ]; then
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mcomp=(gzip lzo xz lz4)
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else
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mcomp=(gzip lzo xz lz4 zstd)
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fi
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# Check for uid 0 and print a warning if not
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[ ${UID} -ne 0 ] && echo 'Mount tests will not be performed when not running as root'
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# Check if test directory exists and make if not
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[ -d ${testdir} ] || mkdir ${testdir}
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[ -d ${testdir} ] || (echo "Unable to make '${testdir}', aborting (failed)."; exit 1)
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# Check if mount point directory exists and make if not
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[ -d ${mp} ] || mkdir ${mp}
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[ -d ${mp} ] || (echo "Unable to make '${mp}', aborting (failed)."; exit 1)
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# Check if data directory exists and make if not
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if [ -d ${datadir} ]; then
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echo "Using existing data directory."
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else
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echo "Building data directory."
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mkdir ${datadir}
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[ -d ${datadir} ] || (echo "Unable to make '${datadir}', aborting (failed)."; exit 1)
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for size in ${frags[*]}; do
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for file in ${fill[*]}; do
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dd if=${file} of=${datadir}/frag-`basename ${file}`-${size} bs=1 count=${size} > /dev/null 2>&1
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done
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done
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for size in ${blocks[*]}; do
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for ((count=1;${count}<=${iter};count++)); do
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for file in ${fill[*]}; do
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dd if=${file} of=${datadir}/file-`basename ${file}`-${size}-${count} bs=${size} count=${count} > /dev/null 2>&1
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done
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done
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done
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for size1 in ${frags[*]}; do
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for file1 in ${fill[*]}; do
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for size2 in ${blocks[*]}; do
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for ((count=1;${count}<=${iter};count++)); do
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for file2 in ${fill[*]}; do
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cat ${datadir}/file-`basename ${file2}`-${size2}-${count} ${datadir}/frag-`basename ${file1}`-${size1} > ${datadir}/combined-`basename ${file2}`-${size2}-${count}-`basename ${file1}`-${size1}
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done
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done
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done
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done
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done
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fi
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# Run unmounted tests
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for comp in ${ucomp[*]}; do
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echo "Building squashfs image using ${comp} compression."
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if [ "${comp}" == gzip ]; then
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mksquashfs ${datadir} ${testdir}/sq.img || (echo "mksquashfs failed for ${comp} compression."; continue)
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else
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mksquashfs ${datadir} ${testdir}/sq.img -comp ${comp} || (echo "mksquashfs failed for ${comp} compression."; continue)
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fi
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echo "Testing unmounted extract using ${comp} compression."
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unsquashfs -d ${testdir}/sq ${testdir}/sq.img || echo "unsquashfs failed for ${comp} compression."
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diff -r -q ${testdir}/sq ${datadir} || (echo "Extract test failed for ${comp} compression."; exit)
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rm -rf ${testdir}/sq
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if [ ${UID} == 0 ]; then
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for kern in ${mcomp[*]}; do
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if [ ${kern} == ${comp} ]; then
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echo "Testing mounted image using ${comp} compression."
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mount -r -o loop -t squashfs ${testdir}/sq.img ${mp} || echo "Mount failed.";
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diff -r -q ${mp} ${datadir} || echo "Mounted test failed for ${comp} compression."
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umount ${mp}
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break
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fi
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done
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fi
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rm -f ${testdir}/sq ${testdir}/sq.img
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done
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