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# vim: set ft=sh:
install ()
{
MODULE_FILE="${TMPDIR}/autodetect_modules"
#blegh, we'll let /tmp clean itself up
AUTODETECT="$(auto_modules | \
sed -e 's/ata_generic//g' -e 's/ide_generic//g')"
#Filesystem detection, use sysfs instead of /proc
findfs ()
{
for blkdev in $(find /dev -type b | grep -v -e /dev/loop -e /dev/ram -e /dev/fd); do
/sbin/blkid -u filesystem -o value -s TYPE -p "${blkdev}" 2> /dev/null
done
}
if [ ${UID} -eq 0 -o "$(groups | grep disk)" != "" ]; then
for fs in $(findfs | sort | uniq); do
allfs="${fs} $(modprobe --set-version ${KERNELVERSION} --resolve-alias ${fs})"
for mod in ${allfs}; do
for modfile in $(find "${MODULEDIR}" -type f -name "${mod}.ko"); do
if [ -n "${modfile}" ]; then
AUTODETECT="${AUTODETECT} ${modfile}"
fi
done
done
done
if [ -e /sbin/mdadm ]; then
for raidmod in $(/sbin/mdadm -E -s -v /dev/hd* /dev/sd* /dev/rd/* /dev/ida/* /dev/cciss/* /dev/ataraid/* /dev/mapper/* \
| awk -Flevel= '{print $2}' | awk '{print $1}'); do
case "${raidmod}" in
raid4|raid5|raid6)
AUTODETECT="${AUTODETECT} raid456" ;;
*)
AUTODETECT="${AUTODETECT} ${raidmod}" ;;
esac
done
fi
else
err "User does not have proper permissions to read superblocks, raid and filesystem modules are not detected"
fi
for m in ${AUTODETECT}; do
modname="$(basename ${m%.ko})"
echo "${modname}" >> "${MODULE_FILE}"
done
BINARIES=""
FILES=""
SCRIPT=""
}
help ()
{
cat <<HELPEOF
This hook shrinks your initramdisk to a smaller size
by autodetecting your needed modules. Be sure to verify
included modules are correct and none are missing.
This hook must be run before other subsystem hooks in
order to take advantage of auto-detection. Any hooks
placed before 'autodetect' will be installed in full.
HELPEOF
}
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