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|
#!/bin/sh
PREREQ=""
prereqs()
{
echo "$PREREQ"
}
case $1 in
prereqs)
prereqs
exit 0
;;
esac
. /usr/share/initramfs-tools/hook-functions
# Begin real processing below this line
# simplified copy_file fucntion from newer initramfs-tools (for better compatibility between versions)
# $1 = file type (for logging)
# $2 = file to copy to initramfs
# $3 (optional) Name for the file on the initramfs
# Location of the image dir is assumed to be $DESTDIR
# If the target exists, we leave it and return 1.
# On any other error, we return >1.
copy_file() {
local type src target link_target
type="${1}"
src="${2}"
target="${3:-$2}"
[ -f "${src}" ] || return 2
if [ -d "${DESTDIR}/${target}" ]; then
target="${target}/${src##*/}"
fi
# check if already copied
[ -e "${DESTDIR}/${target}" ] && return 1
mkdir -p "${DESTDIR}/${target%/*}"
if [ -h "${src}" ]; then
# We don't need to replicate a chain of links completely;
# just link directly to the ultimate target
link_target="$(readlink -f "${src}")" || return $(($? + 1))
# Update source for the copy
src="${link_target}"
if [ "${link_target}" != "${target}" ]; then
[ "${verbose?}" = "y" ] && echo "Adding ${type}-link ${src}"
# Create a relative link so it always points
# to the right place
ln -rs "${DESTDIR}/${link_target}" "${DESTDIR}/${target}"
fi
# Copy the link target if it doesn't already exist
target="${link_target}"
[ -e "${DESTDIR}/${target}" ] && return 0
mkdir -p "${DESTDIR}/${target%/*}"
fi
[ "${verbose}" = "y" ] && echo "Adding ${type} ${src}"
cp -pP "${src}" "${DESTDIR}/${target}" || return $(($? + 1))
}
# include listed modules to initramfs but not load them without the necessity
manual_add_modules igb ixgbe ixgbevf i40e i40evf
# include modules from file (one per line) to initramfs but not load them without the necessity
# add_modules_from_file /tmp/modlist
# include listed modules to initramfs and load them during the boot
# force_load xxx
# executable to copy to initramfs, with library dependencies
copy_exec /lib/x86_64-linux-gnu/libnss_dns.so.2
# missing fsck in initramfs
copy_exec /sbin/fsck
copy_exec /sbin/fsck.ext2
copy_exec /sbin/fsck.ext3
copy_exec /sbin/fsck.ext4
# copy other files ("other" here is a file type, so do not delete this keyword)
copy_file other /etc/ssl/certs/ca-certificates.crt
|
