| #!/bin/bash |
| |
| export LANG=C |
| |
| KERNEL_VERSION="$1" |
| KERNEL_IMAGE="$2" |
| |
| [[ -f /etc/os-release ]] && . /etc/os-release |
| |
| if [[ ! -f /etc/machine-id ]] || [[ ! -s /etc/machine-id ]]; then |
| systemd-machine-id-setup |
| fi |
| |
| [[ -f /etc/machine-id ]] && read MACHINE_ID < /etc/machine-id |
| |
| [[ $MACHINE_ID ]] || exit 1 |
| [[ -f $KERNEL_IMAGE ]] || exit 1 |
| |
| INITRDFILE="/boot/initramfs-0-rescue-${MACHINE_ID}.img" |
| NEW_KERNEL_IMAGE="${KERNEL_IMAGE%/*}/vmlinuz-0-rescue-${MACHINE_ID}" |
| |
| [[ -f $INITRDFILE ]] && [[ -f $NEW_KERNEL_IMAGE ]] && exit 0 |
| |
| dropindirs_sort() |
| { |
| suffix=$1; shift |
| args=("$@") |
| files=$( |
| while (( $# > 0 )); do |
| for i in ${1}/*${suffix}; do |
| [[ -f $i ]] && echo ${i##*/} |
| done |
| shift |
| done | sort -Vu |
| ) |
| |
| for f in $files; do |
| for d in "${args[@]}"; do |
| if [[ -f "$d/$f" ]]; then |
| echo "$d/$f" |
| continue 2 |
| fi |
| done |
| done |
| } |
| |
| # source our config dir |
| for f in $(dropindirs_sort ".conf" "/etc/dracut.conf.d" "/usr/lib/dracut/dracut.conf.d"); do |
| [[ -e $f ]] && . "$f" |
| done |
| |
| [[ $dracut_rescue_image != "yes" ]] && exit 0 |
| |
| if [[ ! -f $INITRDFILE ]]; then |
| dracut --no-hostonly -a "rescue" "$INITRDFILE" "$KERNEL_VERSION" |
| ((ret+=$?)) |
| fi |
| |
| if [[ ! -f $NEW_KERNEL_IMAGE ]]; then |
| cp --reflink=auto "$KERNEL_IMAGE" "$NEW_KERNEL_IMAGE" |
| ((ret+=$?)) |
| fi |
| |
| new-kernel-pkg --install "$KERNEL_VERSION" --kernel-image "$NEW_KERNEL_IMAGE" --initrdfile "$INITRDFILE" --banner "$NAME $VERSION_ID Rescue $MACHINE_ID" |
| |
| ((ret+=$?)) |
| |
| exit $ret |