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|
#!/bin/sh
umask 0022
# Defaults
keep="n"
CONFDIR="/etc/mkinitramfs"
verbose="n"
errors_to="2>/dev/null"
while getopts "d:ko:r:" flag; do
case $flag in
d)
CONFDIR="${OPTAGS}"
if [ ! d "${CONFDIR}" ]; then
echo "${0}: ${CONFDIR}: Not a directory" >&2
exit 1
fi
;;
o)
touch ${OPTARG}
outfile="$(readlink -f ${OPTARG})"
;;
k)
keep="y"
;;
esac
done
shift $((${OPTIND} - 1))
# For dependency ordered mkinitramfs hook scripts.
. /usr/share/initramfs-tools/scripts/functions
. /usr/share/initramfs-tools/hook-functions
. ${CONFDIR}/initramfs.conf
if [ x${outfile} = x ]; then
usage
fi
# And by "version" we really mean path to kernel modules
# This is braindead, and exists to preserve the interface with mkinitrd
if [ ${#} -ne 1 ]; then
version=$(uname -r)
else
version="${1}"
fi
if dpkg --compare-versions "${version}" lt 2.6.12; then
echo "Kernel version too old. initramfs-tools requires at least 2.6.12."
exit 1
fi
case ${version} in
/lib/modules/*/[!/]*)
;;
/lib/modules/[!/]*)
version=${version#/lib/modules/}
version=${version%%/*}
;;
esac
case ${version} in
*/*)
echo $PROG: ${version} is not a valid kernel version >&2
exit 1
;;
esac
if [ -d ${outfile} ]; then
echo "${outfile} is a directory"
exit 1
fi
MODULESDIR="/lib/modules/${version}"
if [ ! -e ${MODULESDIR} ]; then
echo "Cannot find ${MODULESDIR}"
exit 1
fi
DESTDIR=$(mktemp -t -d mkinitramfs_XXXXXX) || exit 1
__TMPCPIOGZ=$(mktemp -t mkinitramfs-OL_XXXXXX) || exit 1
# Export environment for hook scripts.
#
export MODULESDIR
export version
export CONFDIR
export DESTDIR
# Private, used by 'catenate_cpiogz'.
export __TMPCPIOGZ
for d in bin conf etc lib modules sbin scripts; do
mkdir -p ${DESTDIR}/${d}
done
# MODULES=list case. Always honour.
for x in ${CONFDIR}/modules /usr/share/initramfs-tools/modules.d/*; do
if [ -f "${x}" ]; then
add_modules_from_file ${x}
fi
done
if [ "${MODULES}" = "dep" ]; then
dep_add_modules
fi
if [ "${MODULES}" = "most" ]; then
auto_add_modules
fi
# Have to do each file, because cpio --dereference doesn't recurse down
# symlinks.
ln -s /usr/lib/klibc/bin/* ${DESTDIR}/bin
ln -s /usr/lib/klibc/lib/* ${DESTDIR}/lib
copy_exec /usr/share/initramfs-tools/init /init
cp -a /usr/share/initramfs-tools/scripts/* ${DESTDIR}/scripts
for f in $(cd /etc/mkinitramfs/scripts && \
find . \( -name '*.dpkg*' -prune -o -name '*~' -prune \) \
-o -type f -print); do
mkdir --parents ${DESTDIR}/scripts/$(dirname ${f})
cp -p /etc/mkinitramfs/scripts/${f} ${DESTDIR}/scripts/$(dirname ${f})
done
copy_exec ${CONFDIR}/initramfs.conf /conf
cp -a /etc/udev ${DESTDIR}/etc
# Hack until udev is built with klibc
copy_exec /sbin/udev /sbin
copy_exec /sbin/udevstart /sbin
# Busybox
rm ${DESTDIR}/bin/sh
ln -s /bin/busybox ${DESTDIR}/bin/sh
# This is ugly, but needed atm to make the builtins work =(
ln -s /bin/busybox ${DESTDIR}/bin/busybox
# Modutils
copy_exec /sbin/modprobe /sbin
copy_exec /sbin/depmod /sbin
copy_exec /sbin/rmmod /sbin
mkdir -p ${DESTDIR}/etc/modprobe.d
copy_exec /etc/modprobe.d/aliases /etc/modprobe.d
# Raid
copy_exec /sbin/mdadm /sbin
copy_exec /sbin/mdrun /sbin
# LVM
copy_exec /lib/lvm-200/vgchange /sbin
run_scripts /usr/share/initramfs-tools/hooks
run_scripts /etc/mkinitramfs/hooks
# Apply DSDT to initramfs
if [ -e ${CONFDIR}/DSDT.aml ]; then
copy_exec ${CONFDIR}/DSDT.aml /
fi
(cd ${DESTDIR} && find . | cpio --quiet --dereference -o -H newc | gzip -9 >${outfile})
if [ -s ${__TMPCPIOGZ} ]; then
cat ${__TMPCPIOGZ} >>${outfile}
fi
if [ "${keep}" = "y" ]; then
echo "Working files in ${DESTDIR} and overlay in ${__TMPCPIOGZ}"
else
rm -rf "${DESTDIR}"
rm -rf "${__TMPCPIOGZ}"
fi
exit 0
|
