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|
#!/bin/sh
umask 0022
# Defaults
keep="n"
CONFDIR="/etc/mkinitramfs"
verbose="n"
errors_to="2>/dev/null"
# BUSYBOXDIR="/usr/lib/initramfs-tools/bin/"
BUSYBOXDIR="/bin"
OPTIONS=`getopt -o d:ko:r: -n "$0" -- "$@"`
# Check for non-GNU getopt
if [ $? != 0 ] ; then echo "Terminating..." >&2 ; exit 1 ; fi
eval set -- "$OPTIONS"
while true; do
case "$1" in
-d)
CONFDIR="$2"
shift 2
if [ ! d "${CONFDIR}" ]; then
echo "${0}: ${CONFDIR}: Not a directory" >&2
exit 1
fi
;;
-o)
touch $2
outfile="$(readlink -f "$2")"
shift 2
;;
-k)
keep="y"
shift
;;
-r)
# ignore (FIXME: manpage says differently?!?)
shift 2
;;
--)
shift
break
;;
*)
echo "Internal error!" >&2
exit 1
;;
esac
done
# For dependency ordered mkinitramfs hook scripts.
. /usr/share/initramfs-tools/scripts/functions
. /usr/share/initramfs-tools/hook-functions
. "${CONFDIR}/initramfs.conf"
if [ -z "${outfile}" ]; 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.
cp /usr/share/initramfs-tools/init "${DESTDIR}/init"
cp -a /usr/share/initramfs-tools/scripts/* "${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 "${f}")"
done
cp "${CONFDIR}/initramfs.conf" "${DESTDIR}/conf"
cp -a /etc/udev "${DESTDIR}/etc"
# udev
cp /sbin/udev "${DESTDIR}/sbin"
cp /sbin/udevd "${DESTDIR}/sbin"
cp /sbin/udevsynthesize "${DESTDIR}/sbin"
cp -a /lib/hotplug "${DESTDIR}/lib"
# Busybox
cp "${BUSYBOXDIR}/busybox" "${DESTDIR}/bin/busybox"
# Modutils
cp /sbin/modprobe "${DESTDIR}/sbin"
cp /sbin/depmod "${DESTDIR}/sbin"
cp /sbin/rmmod "${DESTDIR}/sbin"
mkdir -p "${DESTDIR}/etc/modprobe.d"
cp /etc/modprobe.d/aliases "${DESTDIR}/etc/modprobe.d"
# Raid
cp /sbin/mdadm "${DESTDIR}/sbin"
cp /sbin/mdrun "${DESTDIR}/sbin"
# LVM
cp /lib/lvm-200/vgchange "${DESTDIR}/sbin"
mklibs-copy -d "${DESTDIR}/lib" --root="${DESTDIR}" $(find "${DESTDIR}" -type f -perm +0111 -o -name '*.so')
ln -s /usr/lib/klibc/bin/* "${DESTDIR}/bin"
ln -s /usr/lib/klibc/lib/* "${DESTDIR}/lib"
rm "${DESTDIR}/bin/sh"
ln -s busybox "${DESTDIR}/bin/sh"
run_scripts /usr/share/initramfs-tools/hooks
run_scripts /etc/mkinitramfs/hooks
# Apply DSDT to initramfs
if [ -e "${CONFDIR}/DSDT.aml" ]; then
cp "${CONFDIR}/DSDT.aml" "${DESTDIR}"
fi
(cd "${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
|
