98 lines
3.1 KiB
Bash
Executable File
98 lines
3.1 KiB
Bash
Executable File
#!/bin/sh
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# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
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# ex: ts=8 sw=4 sts=4 et filetype=sh
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# SPDX-License-Identifier: LGPL-2.1-or-later
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#
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# This file is part of systemd.
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#
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# systemd is free software; you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation; either version 2.1 of the License, or
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# (at your option) any later version.
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#
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# systemd is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with systemd; If not, see <https://www.gnu.org/licenses/>.
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set -e
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COMMAND="${1:?}"
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KERNEL_VERSION="${2:?}"
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# shellcheck disable=SC2034
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ENTRY_DIR_ABS="$3"
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KERNEL_IMAGE="$4"
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[ "$KERNEL_INSTALL_LAYOUT" = "uki" ] || exit 0
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ENTRY_TOKEN="$KERNEL_INSTALL_ENTRY_TOKEN"
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BOOT_ROOT="$KERNEL_INSTALL_BOOT_ROOT"
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UKI_DIR="$BOOT_ROOT/EFI/Linux"
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case "$COMMAND" in
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remove)
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[ "$KERNEL_INSTALL_VERBOSE" -gt 0 ] && \
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echo "Removing $UKI_DIR/$ENTRY_TOKEN-$KERNEL_VERSION*.efi"
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exec rm -f \
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"$UKI_DIR/$ENTRY_TOKEN-$KERNEL_VERSION.efi" \
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"$UKI_DIR/$ENTRY_TOKEN-$KERNEL_VERSION+"*".efi"
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;;
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add)
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;;
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*)
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exit 0
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;;
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esac
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if ! [ -d "$UKI_DIR" ]; then
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[ "$KERNEL_INSTALL_VERBOSE" -gt 0 ] && echo "creating $UKI_DIR"
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mkdir -p "$UKI_DIR"
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fi
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TRIES_FILE="${KERNEL_INSTALL_CONF_ROOT:-/etc/kernel}/tries"
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if [ -f "$TRIES_FILE" ]; then
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read -r TRIES <"$TRIES_FILE"
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if ! echo "$TRIES" | grep -q '^[0-9][0-9]*$'; then
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echo "$TRIES_FILE does not contain an integer." >&2
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exit 1
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fi
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UKI_FILE="$UKI_DIR/$ENTRY_TOKEN-$KERNEL_VERSION+$TRIES.efi"
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else
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UKI_FILE="$UKI_DIR/$ENTRY_TOKEN-$KERNEL_VERSION.efi"
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fi
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# If there is a UKI named uki.efi on the staging area use that, if not use what
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# was passed in as $KERNEL_IMAGE but insist it has a .efi extension
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if [ -f "$KERNEL_INSTALL_STAGING_AREA/uki.efi" ]; then
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[ "$KERNEL_INSTALL_VERBOSE" -gt 0 ] && echo "Installing $KERNEL_INSTALL_STAGING_AREA/uki.efi as $UKI_FILE"
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install -m 0644 "$KERNEL_INSTALL_STAGING_AREA/uki.efi" "$UKI_FILE" || {
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echo "Error: could not copy '$KERNEL_INSTALL_STAGING_AREA/uki.efi' to '$UKI_FILE'." >&2
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exit 1
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}
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elif [ -n "$KERNEL_IMAGE" ]; then
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[ -f "$KERNEL_IMAGE" ] || {
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echo "Error: UKI '$KERNEL_IMAGE' not a file." >&2
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exit 1
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}
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[ "$KERNEL_IMAGE" != "${KERNEL_IMAGE%*.efi}.efi" ] && {
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echo "Error: $KERNEL_IMAGE is missing .efi suffix." >&2
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exit 1
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}
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[ "$KERNEL_INSTALL_VERBOSE" -gt 0 ] && echo "Installing $KERNEL_IMAGE as $UKI_FILE"
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install -m 0644 "$KERNEL_IMAGE" "$UKI_FILE" || {
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echo "Error: could not copy '$KERNEL_IMAGE' to '$UKI_FILE'." >&2
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exit 1
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}
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else
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[ "$KERNEL_INSTALL_VERBOSE" -gt 0 ] && echo "No UKI available. Nothing to do."
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exit 0
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fi
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chown root:root "$UKI_FILE" || :
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exit 0
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