#!/bin/bash # -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*- # ex: ts=8 sw=4 sts=4 et filetype=sh COMMAND="$1" KERNEL_VERSION="$2" BOOT_DIR_ABS="$3" KERNEL_IMAGE="$4" if ! [[ $KERNEL_INSTALL_MACHINE_ID ]]; then exit 0 fi if ! [[ -d "$BOOT_DIR_ABS" ]]; then exit 0 fi MACHINE_ID=$KERNEL_INSTALL_MACHINE_ID BOOT_DIR="/$MACHINE_ID/$KERNEL_VERSION" BOOT_ROOT=${BOOT_DIR_ABS%$BOOT_DIR} LOADER_ENTRY="$BOOT_ROOT/loader/entries/$MACHINE_ID-$KERNEL_VERSION.conf" if [[ $COMMAND == remove ]]; then exec rm -f "$LOADER_ENTRY" fi if ! [[ $COMMAND == add ]]; then exit 1 fi if ! [[ $KERNEL_IMAGE ]]; then exit 1 fi if [[ -f /etc/os-release ]]; then . /etc/os-release elif [[ -f /usr/lib/os-release ]]; then . /usr/lib/os-release fi if ! [[ $PRETTY_NAME ]]; then PRETTY_NAME="Linux $KERNEL_VERSION" fi if [[ -f /etc/kernel/cmdline ]]; then read -r -d '' -a BOOT_OPTIONS < /etc/kernel/cmdline elif [[ -f /usr/lib/kernel/cmdline ]]; then read -r -d '' -a BOOT_OPTIONS < /usr/lib/kernel/cmdline else declare -a BOOT_OPTIONS read -r -d '' -a line < /proc/cmdline for i in "${line[@]}"; do [[ "${i#initrd=*}" != "$i" ]] && continue BOOT_OPTIONS+=("$i") done fi cp "$KERNEL_IMAGE" "$BOOT_DIR_ABS/linux" && chown root:root "$BOOT_DIR_ABS/linux" && chmod 0644 "$BOOT_DIR_ABS/linux" || { echo "Could not copy '$KERNEL_IMAGE to '$BOOT_DIR_ABS/linux'." >&2 exit 1 } mkdir -p "${LOADER_ENTRY%/*}" || { echo "Could not create loader entry directory '${LOADER_ENTRY%/*}'." >&2 exit 1 } { echo "title $PRETTY_NAME" echo "version $KERNEL_VERSION" echo "machine-id $MACHINE_ID" echo "options ${BOOT_OPTIONS[*]}" echo "linux $BOOT_DIR/linux" [[ -f $BOOT_DIR_ABS/initrd ]] && \ echo "initrd $BOOT_DIR/initrd" : } > "$LOADER_ENTRY" || { echo "Could not create loader entry '$LOADER_ENTRY'." >&2 exit 1 } exit 0