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| #!/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.'; exit 1)
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|
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| # Define block sizes
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| blocks=(4K 1M)
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|
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| # Define fill files
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| fill=(/dev/zero /dev/urandom)
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|
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| # Define number of iterations
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| iter=5
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|
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| # Define fragment sizes
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| frags=(0 1 2047 4095)
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|
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| # Define test directory
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| testdir=./test-squashfs
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|
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| # Define mount point
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| mp=${testdir}/mnt
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|
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| # Define data directory
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| datadir=${testdir}/data
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|
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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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| else
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| ucomp=(gzip lzo lzma xz)
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| fi
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|
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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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| else
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| mcomp=(gzip lzo xz)
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| fi
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|
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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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|
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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."; exit 1)
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|
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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."; exit 1)
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|
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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."; 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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|
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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."
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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 ${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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