70 lines
2.1 KiB
Bash
Executable File
70 lines
2.1 KiB
Bash
Executable File
#!/bin/bash
|
|
|
|
COMMAND="$1"
|
|
KERNEL_VERSION="$2"
|
|
BOOT_DIR_ABS="$3"
|
|
KERNEL_IMAGE="$4"
|
|
|
|
# Read the optional config file for automation
|
|
[[ -f /etc/kernel-install-for-dracut.conf ]] && source /etc/kernel-install-for-dracut.conf
|
|
|
|
# If KERNEL_INSTALL_MACHINE_ID is defined but empty, BOOT_DIR_ABS is a fake directory.
|
|
# So, let's skip to create initrd.
|
|
if ! [[ ${KERNEL_INSTALL_MACHINE_ID-x} ]]; then
|
|
exit 0
|
|
fi
|
|
|
|
if [[ -d "$BOOT_DIR_ABS" ]]; then
|
|
INITRD="initrd"
|
|
else
|
|
BOOT_DIR_ABS="/boot"
|
|
INITRD="initramfs-${KERNEL_VERSION}.img"
|
|
fi
|
|
|
|
ret=0
|
|
case "$COMMAND" in
|
|
add)
|
|
INITRD_IMAGE_PREGENERATED=${KERNEL_IMAGE%/*}/initrd
|
|
if [[ -f ${INITRD_IMAGE_PREGENERATED} ]]; then
|
|
# we found an initrd at the same place as the kernel
|
|
# use this and don't generate a new one
|
|
cp --reflink=auto "$INITRD_IMAGE_PREGENERATED" "$BOOT_DIR_ABS/$INITRD" \
|
|
&& chown root:root "$BOOT_DIR_ABS/$INITRD" \
|
|
&& chmod 0600 "$BOOT_DIR_ABS/$INITRD" \
|
|
&& exit 0
|
|
fi
|
|
|
|
if [[ -f /etc/kernel/cmdline ]]; then
|
|
read -r -d '' -a BOOT_OPTIONS < /etc/kernel/cmdline
|
|
elif [[ -f /usr/lib/kernel/cmdline ]]; then
|
|
read -r -d '' -a BOOT_OPTIONS < /usr/lib/kernel/cmdline
|
|
else
|
|
declare -a BOOT_OPTIONS
|
|
|
|
read -r -d '' -a line < /proc/cmdline
|
|
for i in "${line[@]}"; do
|
|
[[ "${i#initrd=*}" != "$i" ]] && continue
|
|
BOOT_OPTIONS+=("$i")
|
|
done
|
|
fi
|
|
|
|
unset noimageifnotneeded
|
|
|
|
for ((i=0; i < "${#BOOT_OPTIONS[@]}"; i++)); do
|
|
# shellcheck disable=SC1001
|
|
if [[ ${BOOT_OPTIONS[$i]} == root\=PARTUUID\=* ]]; then
|
|
noimageifnotneeded="yes"
|
|
break
|
|
fi
|
|
done
|
|
[[ ${DRACUT_QUIET} == "true" ]] && DRACUT_EXTRA_PARAMS=" --quiet"
|
|
dracut --hostonly --no-hostonly-cmdline -f${DRACUT_EXTRA_PARAMS} ${noimageifnotneeded:+--noimageifnotneeded} "$BOOT_DIR_ABS/$INITRD" "$KERNEL_VERSION"
|
|
ret=$?
|
|
;;
|
|
remove)
|
|
rm -f -- "$BOOT_DIR_ABS/$INITRD"
|
|
ret=$?
|
|
;;
|
|
esac
|
|
exit $ret
|