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Currently the kernel-install man page only documents the bls layout for use with the boot loader spec type #1. 90-loaderentry.install uses this layout to generate loader entries and copy the kernel image and initrd to $BOOT. This commit documents a second layout "uki" and adds 90-uki-copy.install, which copies a UKI "uki.efi" from the staging area or any file with the .efi extension given on the command line to $BOOT/EFI/Linux/$ENTRY_TOKEN-$KERNEl_VERSION(+$TRIES).efi This allows for both locally generated and distro-provided UKIs to be handled by kernel-install.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,97 @@ | ||
| #!/bin/sh | ||
| # -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*- | ||
| # ex: ts=8 sw=4 sts=4 et filetype=sh | ||
| # SPDX-License-Identifier: LGPL-2.1-or-later | ||
| # | ||
| # This file is part of systemd. | ||
| # | ||
| # systemd is free software; you can redistribute it and/or modify it | ||
| # under the terms of the GNU Lesser General Public License as published by | ||
| # the Free Software Foundation; either version 2.1 of the License, or | ||
| # (at your option) any later version. | ||
| # | ||
| # systemd is distributed in the hope that it will be useful, but | ||
| # WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| # General Public License for more details. | ||
| # | ||
| # You should have received a copy of the GNU Lesser General Public License | ||
| # along with systemd; If not, see <https://www.gnu.org/licenses/>. | ||
|
|
||
| set -e | ||
|
|
||
| COMMAND="${1:?}" | ||
| KERNEL_VERSION="${2:?}" | ||
| # shellcheck disable=SC2034 | ||
| ENTRY_DIR_ABS="$3" | ||
| KERNEL_IMAGE="$4" | ||
|
|
||
| [ "$KERNEL_INSTALL_LAYOUT" = "uki" ] || exit 0 | ||
|
|
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| ENTRY_TOKEN="$KERNEL_INSTALL_ENTRY_TOKEN" | ||
| BOOT_ROOT="$KERNEL_INSTALL_BOOT_ROOT" | ||
|
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| UKI_DIR="$BOOT_ROOT/EFI/Linux" | ||
|
|
||
| case "$COMMAND" in | ||
| remove) | ||
| [ "$KERNEL_INSTALL_VERBOSE" -gt 0 ] && \ | ||
| echo "Removing $UKI_DIR/$ENTRY_TOKEN-$KERNEL_VERSION*.efi" | ||
| exec rm -f \ | ||
| "$UKI_DIR/$ENTRY_TOKEN-$KERNEL_VERSION.efi" \ | ||
| "$UKI_DIR/$ENTRY_TOKEN-$KERNEL_VERSION+"*".efi" | ||
| ;; | ||
| add) | ||
| ;; | ||
| *) | ||
| exit 0 | ||
| ;; | ||
| esac | ||
|
|
||
| if ! [ -d "$UKI_DIR" ]; then | ||
| echo "Error: entry directory '$UKI_DIR' does not exist" >&2 | ||
| exit 1 | ||
| fi | ||
|
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| TRIES_FILE="${KERNEL_INSTALL_CONF_ROOT:-/etc/kernel}/tries" | ||
|
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| if [ -f "$TRIES_FILE" ]; then | ||
| read -r TRIES <"$TRIES_FILE" | ||
| if ! echo "$TRIES" | grep -q '^[0-9][0-9]*$'; then | ||
| echo "$TRIES_FILE does not contain an integer." >&2 | ||
| exit 1 | ||
| fi | ||
| UKI_FILE="$UKI_DIR/$ENTRY_TOKEN-$KERNEL_VERSION+$TRIES.efi" | ||
| else | ||
| UKI_FILE="$UKI_DIR/$ENTRY_TOKEN-$KERNEL_VERSION.efi" | ||
| fi | ||
|
|
||
| # If there is a UKI named uki.efi on the staging area use that, if not use what | ||
| # was passed in as $KERNEL_IMAGE but insist it has a .efi extension | ||
| if [ -f "$KERNEL_INSTALL_STAGING_AREA/uki.efi" ]; then | ||
| [ "$KERNEL_INSTALL_VERBOSE" -gt 0 ] && echo "Installing $KERNEL_INSTALL_STAGING_AREA/uki.efi" | ||
| install -m 0644 "$KERNEL_INSTALL_STAGING_AREA/uki.efi" "$UKI_FILE" || { | ||
| echo "Error: could not copy '$KERNEL_INSTALL_STAGING_AREA/uki.efi' to '$UKI_FILE'." >&2 | ||
| exit 1 | ||
| } | ||
| elif [ -n "$KERNEL_IMAGE" ]; then | ||
| [ -f "$KERNEL_IMAGE" ] || { | ||
| echo "Error: UKI '$KERNEL_IMAGE' not a file." >&2 | ||
| exit 1 | ||
| } | ||
| [ "$KERNEL_IMAGE" != "${KERNEL_IMAGE%*.efi}.efi" ] && { | ||
| echo "Error: $KERNEL_IMAGE is missing .efi suffix." >&2 | ||
| exit 1 | ||
| } | ||
| [ "$KERNEL_INSTALL_VERBOSE" -gt 0 ] && echo "Installing $KERNEL_IMAGE" | ||
| install -m 0644 "$KERNEL_IMAGE" "$UKI_FILE" || { | ||
| echo "Error: could not copy '$KERNEL_IMAGE' to '$UKI_FILE'." >&2 | ||
| exit 1 | ||
| } | ||
| else | ||
| [ "$KERNEL_INSTALL_VERBOSE" -gt 0 ] && echo "No UKI available. Nothing to do." | ||
| exit 0 | ||
| fi | ||
| chown root:root "$UKI_FILE" || : | ||
|
|
||
| exit 0 |
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