systemd/SOURCES/0082-kernel-install-90-loaderentry-port-to-bin-sh.patch
2022-11-15 07:41:42 +00:00

182 lines
5.8 KiB
Diff

From 7b05dc8184e1a459d0a073dfe569560681525980 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=BD=D0=B0=D0=B1?= <nabijaczleweli@nabijaczleweli.xyz>
Date: Thu, 16 Dec 2021 14:35:33 +0100
Subject: [PATCH] kernel-install: 90-loaderentry: port to /bin/sh
Also, forward the rm -f exit code on removal instead of swallowing it
(cherry picked from commit 662f45e3ea9f6e933234b81bec532d584bda6ead)
Related: #2065061
---
src/kernel-install/90-loaderentry.install | 110 +++++++++-------------
1 file changed, 45 insertions(+), 65 deletions(-)
diff --git a/src/kernel-install/90-loaderentry.install b/src/kernel-install/90-loaderentry.install
index 044eced3f0..35324e69a9 100644
--- a/src/kernel-install/90-loaderentry.install
+++ b/src/kernel-install/90-loaderentry.install
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/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
@@ -22,68 +22,53 @@ COMMAND="$1"
KERNEL_VERSION="$2"
ENTRY_DIR_ABS="$3"
KERNEL_IMAGE="$4"
-INITRD_OPTIONS_START="5"
+INITRD_OPTIONS_SHIFT=4
-if ! [[ $KERNEL_INSTALL_MACHINE_ID ]]; then
- exit 0
-fi
-
-if [ "$KERNEL_INSTALL_LAYOUT" != "bls" ]; then
- exit 0
-fi
+[ "$KERNEL_INSTALL_LAYOUT" = "bls" ] || exit 0
MACHINE_ID="$KERNEL_INSTALL_MACHINE_ID"
BOOT_ROOT="$KERNEL_INSTALL_BOOT_ROOT"
BOOT_MNT="$(stat -c %m "$BOOT_ROOT")"
-if [[ "$BOOT_MNT" == '/' ]]; then
+if [ "$BOOT_MNT" = '/' ]; then
ENTRY_DIR="$ENTRY_DIR_ABS"
else
ENTRY_DIR="${ENTRY_DIR_ABS#$BOOT_MNT}"
fi
-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 ! [[ $KERNEL_IMAGE ]]; then
- exit 1
-fi
+case "$COMMAND" in
+ remove)
+ exec rm -f \
+ "$BOOT_ROOT/loader/entries/$MACHINE_ID-$KERNEL_VERSION.conf" \
+ "$BOOT_ROOT/loader/entries/$MACHINE_ID-$KERNEL_VERSION+"*".conf"
+ ;;
+ add)
+ ;;
+ *)
+ exit 1
+ ;;
+esac
-if [[ -f /etc/os-release ]]; then
+if [ -r /etc/os-release ]; then
. /etc/os-release
-elif [[ -f /usr/lib/os-release ]]; then
+elif [ -r /usr/lib/os-release ]; then
. /usr/lib/os-release
fi
-if ! [[ $PRETTY_NAME ]]; then
- PRETTY_NAME="Linux $KERNEL_VERSION"
-fi
+[ -n "$PRETTY_NAME" ] || PRETTY_NAME="Linux $KERNEL_VERSION"
-if [[ -f /etc/kernel/cmdline ]]; then
- read -r -d '' -a BOOT_OPTIONS < /etc/kernel/cmdline
-elif [[ -f /usr/lib/kernel/cmdline ]]; then
- read -r -d '' -a BOOT_OPTIONS < /usr/lib/kernel/cmdline
+if [ -r /etc/kernel/cmdline ]; then
+ BOOT_OPTIONS="$(tr -s "$IFS" ' ' </etc/kernel/cmdline)"
+elif [ -r /usr/lib/kernel/cmdline ]; then
+ BOOT_OPTIONS="$(tr -s "$IFS" ' ' </usr/lib/kernel/cmdline)"
else
- declare -a BOOT_OPTIONS
-
- read -r -d '' -a line < /proc/cmdline
- for i in "${line[@]}"; do
- [[ "${i#initrd=*}" != "$i" ]] && continue
- [[ "${i#BOOT_IMAGE=*}" != "$i" ]] && continue
- BOOT_OPTIONS+=("$i")
- done
+ BOOT_OPTIONS="$(tr -s "$IFS" '\n' </proc/cmdline | grep -ve '^BOOT_IMAGE=' -e '^initrd=' | tr '\n' ' ')"
fi
+BOOT_OPTIONS="${BOOT_OPTIONS% }"
-if [[ -f /etc/kernel/tries ]]; then
+if [ -r /etc/kernel/tries ]; then
read -r TRIES </etc/kernel/tries
- if ! [[ "$TRIES" =~ ^[0-9]+$ ]] ; then
+ if ! echo "$TRIES" | grep -q '^[0-9][0-9]*$'; then
echo "/etc/kernel/tries does not contain an integer." >&2
exit 1
fi
@@ -106,43 +91,38 @@ install -g root -o root -m 0644 "$KERNEL_IMAGE" "$ENTRY_DIR_ABS/linux" || {
exit 1
}
-INITRD_OPTIONS=( "${@:${INITRD_OPTIONS_START}}" )
-
-for initrd in "${INITRD_OPTIONS[@]}"; do
- if [[ -f "${initrd}" ]]; then
- initrd_basename="$(basename ${initrd})"
- [ "$KERNEL_INSTALL_VERBOSE" -gt 0 ] && \
- echo "Installing $ENTRY_DIR_ABS/${initrd_basename}"
- install -g root -o root -m 0644 "${initrd}" "$ENTRY_DIR_ABS/${initrd_basename}" || {
- echo "Could not copy '${initrd}' to '$ENTRY_DIR_ABS/${initrd_basename}'." >&2
- exit 1
- }
- fi
-done
+shift "$INITRD_OPTIONS_SHIFT"
+for initrd; do
+ [ -f "$initrd" ] || continue
-# If no initrd option is supplied, fall back to "initrd" which is
-# the name used by dracut when generating it in its kernel-install hook
-[[ ${#INITRD_OPTIONS[@]} == 0 ]] && INITRD_OPTIONS=( initrd )
+ initrd_basename="${initrd##*/}"
+ [ "$KERNEL_INSTALL_VERBOSE" -gt 0 ] && echo "Installing $ENTRY_DIR_ABS/$initrd_basename"
+ install -g root -o root -m 0644 "$initrd" "$ENTRY_DIR_ABS/$initrd_basename" || {
+ echo "Could not copy '$initrd' to '$ENTRY_DIR_ABS/$initrd_basename'." >&2
+ exit 1
+ }
+done
mkdir -p "${LOADER_ENTRY%/*}" || {
echo "Could not create loader entry directory '${LOADER_ENTRY%/*}'." >&2
exit 1
}
-[ "$KERNEL_INSTALL_VERBOSE" -gt 0 ] && \
- echo "Creating $LOADER_ENTRY"
+# Try "initrd", generated by dracut in its kernel-install hook, if no initrds were supplied
+[ $# -eq 0 ] && set -- "initrd"
+
+[ "$KERNEL_INSTALL_VERBOSE" -gt 0 ] && echo "Creating $LOADER_ENTRY"
{
echo "title $PRETTY_NAME"
echo "version $KERNEL_VERSION"
echo "machine-id $MACHINE_ID"
- echo "options ${BOOT_OPTIONS[*]}"
+ echo "options $BOOT_OPTIONS"
echo "linux $ENTRY_DIR/linux"
- for initrd in "${INITRD_OPTIONS[@]}"; do
- [[ -f $ENTRY_DIR_ABS/$(basename ${initrd}) ]] && \
- echo "initrd $ENTRY_DIR/$(basename ${initrd})"
+ for initrd; do
+ [ -f "$ENTRY_DIR_ABS/${initrd##*/}" ] && echo "initrd $ENTRY_DIR/${initrd##*/}"
done
:
-} > "$LOADER_ENTRY" || {
+} >"$LOADER_ENTRY" || {
echo "Could not create loader entry '$LOADER_ENTRY'." >&2
exit 1
}