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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 02:25:50 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 02:25:50 +0000 |
commit | 19f4f86bfed21c5326ed2acebe1163f3a83e832b (patch) | |
tree | d59b9989ce55ed23693e80974d94c856f1c2c8b1 /src/kernel-install/90-loaderentry.install | |
parent | Initial commit. (diff) | |
download | systemd-19f4f86bfed21c5326ed2acebe1163f3a83e832b.tar.xz systemd-19f4f86bfed21c5326ed2acebe1163f3a83e832b.zip |
Adding upstream version 241.upstream/241upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/kernel-install/90-loaderentry.install')
-rw-r--r-- | src/kernel-install/90-loaderentry.install | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/src/kernel-install/90-loaderentry.install b/src/kernel-install/90-loaderentry.install new file mode 100644 index 0000000..75dd5a1 --- /dev/null +++ b/src/kernel-install/90-loaderentry.install @@ -0,0 +1,124 @@ +#!/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" +INITRD_OPTIONS_START="5" + +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} + +if [[ $COMMAND == remove ]]; then + rm -f "$BOOT_ROOT/loader/entries/$MACHINE_ID-$KERNEL_VERSION.conf" + rm -f "$BOOT_ROOT/loader/entries/$MACHINE_ID-$KERNEL_VERSION+"*".conf" + exit 0 +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 + +declare -a BOOT_OPTIONS + +if [[ -f /etc/kernel/cmdline ]]; then + read -r -d '' -a BOOT_OPTIONS < /etc/kernel/cmdline +fi + +if ! [[ ${BOOT_OPTIONS[*]} ]]; then + read -r -d '' -a line < /proc/cmdline + for i in "${line[@]}"; do + [[ "${i#initrd=*}" != "$i" ]] && continue + BOOT_OPTIONS+=("$i") + done +fi + +if ! [[ ${BOOT_OPTIONS[*]} ]]; then + echo "Could not determine the kernel command line parameters." >&2 + echo "Please specify the kernel command line in /etc/kernel/cmdline!" >&2 + exit 1 +fi + +if [[ -f /etc/kernel/tries ]]; then + read -r TRIES </etc/kernel/tries + if ! [[ "$TRIES" =~ ^[0-9]+$ ]] ; then + echo "/etc/kernel/tries does not contain an integer." >&2 + exit 1 + fi + LOADER_ENTRY="$BOOT_ROOT/loader/entries/$MACHINE_ID-$KERNEL_VERSION+$TRIES.conf" +else + LOADER_ENTRY="$BOOT_ROOT/loader/entries/$MACHINE_ID-$KERNEL_VERSION.conf" +fi + +cp "$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 '$BOOT_DIR_ABS/linux'." >&2 + exit 1 +} + +INITRD_OPTIONS=( "${@:${INITRD_OPTIONS_START}}" ) + +for initrd in "${INITRD_OPTIONS[@]}"; do + if [[ -f "${initrd}" ]]; then + initrd_basename="$(basename ${initrd})" + cp "${initrd}" "$BOOT_DIR_ABS/${initrd_basename}" && + chown root:root "$BOOT_DIR_ABS/${initrd_basename}" && + chmod 0644 "$BOOT_DIR_ABS/${initrd_basename}" || { + echo "Could not copy '${initrd}' to '$BOOT_DIR_ABS/${initrd_basename}'." >&2 + exit 1 + } + fi +done + +# If no initrd option is supplied, fallback to "initrd" which is +# the name used by dracut when generating it in its kernel-install hook +[[ ${#INITRD_OPTIONS[@]} == 0 ]] && INITRD_OPTIONS=( initrd ) + +mkdir -p "${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 $BOOT_DIR/linux" + for initrd in "${INITRD_OPTIONS[@]}"; do + [[ -f $BOOT_DIR_ABS/$(basename ${initrd}) ]] && \ + echo "initrd $BOOT_DIR/$(basename ${initrd})" + done + : +} > "$LOADER_ENTRY" || { + echo "Could not create loader entry '$LOADER_ENTRY'." >&2 + exit 1 +} +exit 0 |