From b60234140cbceaa579b889d03b863953ca53b3e1 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 15:06:06 +0100

Subject: [PATCH] kernel-install: port to /bin/sh

(cherry picked from commit 76b1274a5cb54acaa4a0f0c2e570d751f9067c06)

Related: #2065061

---

 src/kernel-install/kernel-install | 109 ++++++++++++------------------

 1 file changed, 43 insertions(+), 66 deletions(-)

diff --git a/src/kernel-install/kernel-install b/src/kernel-install/kernel-install

index f6da0cf7a8..2e8f382d5f 100755

--- a/src/kernel-install/kernel-install

+++ b/src/kernel-install/kernel-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

@@ -18,7 +18,7 @@

 # You should have received a copy of the GNU Lesser General Public License

 # along with systemd; If not, see <http://www.gnu.org/licenses/>.

-SKIP_REMAINING=77

+skip_remaining=77

 usage()

 {

@@ -32,24 +32,17 @@ usage()

 dropindirs_sort()

 {

-    local suffix=$1; shift

-    local -a files

-    local f d i

-

-    readarray -t files <<<"$(

-        for d in "$@"; do

-            for i in "$d/"*"$suffix"; do

-                if [[ -e "$i" ]]; then

-                    echo "${i##*/}"

-                fi

-            done

-        done | sort -Vu

-    )"

-

-    for f in "${files[@]}"; do

-        for d in "$@"; do

-            if [[ -e "$d/$f" ]]; then

-                echo "$d/$f"

+    suffix="$1"

+    shift

+

+    for d; do

+        for i in "$d/"*"$suffix"; do

+            [ -e "$i" ] && echo "${i##*/}"

+        done

+    done | sort -Vu | while read -r f; do

+        for d; do

+            if [ -e "$d/$f" ]; then

+                [ -x "$d/$f" ] && echo "$d/$f"

                 continue 2

             fi

         done

@@ -65,27 +58,25 @@ for i; do

     fi

 done

-KERNEL_INSTALL_VERBOSE=0

+export KERNEL_INSTALL_VERBOSE=0

 if [ "$1" = "--verbose" ] || [ "$1" = "-v" ]; then

     shift

     KERNEL_INSTALL_VERBOSE=1

 fi

-export KERNEL_INSTALL_VERBOSE

-if [[ "${0##*/}" == 'installkernel' ]]; then

-    COMMAND='add'

-    # make install doesn't pass any parameter wrt initrd handling

-    INITRD_OPTIONS=()

+if [ "${0##*/}" = "installkernel" ]; then

+    COMMAND=add

+    # make install doesn't pass any initrds

 else

     COMMAND="$1"

-    shift

-    INITRD_OPTIONS=( "${@:3}" )

+    [ $# -ge 1 ] && shift

 fi

 KERNEL_VERSION="$1"

 KERNEL_IMAGE="$2"

+[ $# -ge 2 ] && shift 2

-if [[ ! $COMMAND ]] || [[ ! $KERNEL_VERSION ]]; then

+if [ -z "$COMMAND" ] || [ -z "$KERNEL_VERSION" ]; then

     echo "Not enough arguments" >&2

     exit 1

 fi

@@ -99,12 +90,11 @@ fi

 # Prefer to use an existing machine ID from /etc/machine-info or /etc/machine-id. If we're using the machine

 # ID /etc/machine-id, try to persist it in /etc/machine-info. If no machine ID is found, try to generate

 # a new machine ID in /etc/machine-info. If that fails, use "Default".

-

-[ -z "$MACHINE_ID" ] && [ -f /etc/machine-info ] && source /etc/machine-info && MACHINE_ID="$KERNEL_INSTALL_MACHINE_ID"

-[ -z "$MACHINE_ID" ] && [ -f /etc/machine-id ] && read -r MACHINE_ID 

-[ -n "$MACHINE_ID" ] && [ -z "$KERNEL_INSTALL_MACHINE_ID" ] && echo "KERNEL_INSTALL_MACHINE_ID=$MACHINE_ID" >>/etc/machine-info

+[ -z "$MACHINE_ID" ] && [ -r /etc/machine-info ]              && . /etc/machine-info && MACHINE_ID="$KERNEL_INSTALL_MACHINE_ID"

+[ -z "$MACHINE_ID" ] && [ -r /etc/machine-id ]                && read -r MACHINE_ID 

+[ -n "$MACHINE_ID" ] && [ -z "$KERNEL_INSTALL_MACHINE_ID" ]   && echo "KERNEL_INSTALL_MACHINE_ID=$MACHINE_ID" >>/etc/machine-info

 [ -z "$MACHINE_ID" ] && NEW_MACHINE_ID="$(systemd-id128 new)" && echo "KERNEL_INSTALL_MACHINE_ID=$NEW_MACHINE_ID" >>/etc/machine-info

-[ -z "$MACHINE_ID" ] && [ -f /etc/machine-info ] && source /etc/machine-info && MACHINE_ID="$KERNEL_INSTALL_MACHINE_ID"

+[ -z "$MACHINE_ID" ] && [ -r /etc/machine-info ]              && . /etc/machine-info && MACHINE_ID="$KERNEL_INSTALL_MACHINE_ID"

 [ -z "$MACHINE_ID" ] && MACHINE_ID="Default"

 [ -z "$BOOT_ROOT" ] && for suff in "$MACHINE_ID" "loader/entries"; do

@@ -125,11 +115,6 @@ done

 [ -z "$BOOT_ROOT" ] && BOOT_ROOT="/boot"

-ENTRY_DIR_ABS="$BOOT_ROOT/$MACHINE_ID/$KERNEL_VERSION"

-

-export KERNEL_INSTALL_MACHINE_ID="$MACHINE_ID"

-export KERNEL_INSTALL_BOOT_ROOT="$BOOT_ROOT"

-

 if [ -z "$layout" ]; then

     # Administrative decision: if not present, some scripts generate into /boot.

     if [ -d "$BOOT_ROOT/$MACHINE_ID" ]; then

@@ -152,21 +137,23 @@ MAKE_ENTRY_DIR_ABS=$?

 ret=0

-readarray -t PLUGINS <<<"$(

+PLUGINS="$(

     dropindirs_sort ".install" \

         "/etc/kernel/install.d" \

         "/usr/lib/kernel/install.d"

 )"

+IFS="

+"

-case $COMMAND in

+case "$COMMAND" in

     add)

-        if [[ ! "$KERNEL_IMAGE" ]]; then

+        if [ -z "$KERNEL_IMAGE" ]; then

             echo "Command 'add' requires an argument" >&2

             exit 1

         fi

-        if [[ ! -f "$KERNEL_IMAGE" ]]; then

-            echo "Kernel image argument ${KERNEL_IMAGE} not a file" >&2

+        if ! [ -f "$KERNEL_IMAGE" ]; then

+            echo "Kernel image argument $KERNEL_IMAGE not a file" >&2

             exit 1

         fi

@@ -182,32 +169,22 @@ case $COMMAND in

             fi

         fi

-        for f in "${PLUGINS[@]}"; do

-            if [[ -x $f ]]; then

-                [ "$KERNEL_INSTALL_VERBOSE" -gt 0 ] && \

-                    echo "+$f add $KERNEL_VERSION $ENTRY_DIR_ABS $KERNEL_IMAGE ${INITRD_OPTIONS[*]}"

-                "$f" add "$KERNEL_VERSION" "$ENTRY_DIR_ABS" "$KERNEL_IMAGE" "${INITRD_OPTIONS[@]}"

-                x=$?

-                if [ $x -eq "$SKIP_REMAINING" ]; then

-                    break

-                fi

-                ((ret+=x))

-            fi

+        for f in $PLUGINS; do

+            [ "$KERNEL_INSTALL_VERBOSE" -gt 0 ] && echo "+$f add $KERNEL_VERSION $ENTRY_DIR_ABS $KERNEL_IMAGE $*"

+            "$f" add "$KERNEL_VERSION" "$ENTRY_DIR_ABS" "$KERNEL_IMAGE" "$@"

+            err=$?

+            [ $err -eq $skip_remaining ] && break

+            ret=$(( ret + err ))

         done

         ;;

     remove)

-        for f in "${PLUGINS[@]}"; do

-            if [[ -x $f ]]; then

-                [ "$KERNEL_INSTALL_VERBOSE" -gt 0 ] && \

-                    echo "+$f remove $KERNEL_VERSION $ENTRY_DIR_ABS"

-                "$f" remove "$KERNEL_VERSION" "$ENTRY_DIR_ABS"

-                x=$?

-                if [ $x -eq "$SKIP_REMAINING" ]; then

-                    break

-                fi

-                ((ret+=x))

-            fi

+        for f in $PLUGINS; do

+            [ "$KERNEL_INSTALL_VERBOSE" -gt 0 ] && echo "+$f remove $KERNEL_VERSION $ENTRY_DIR_ABS"

+            "$f" remove "$KERNEL_VERSION" "$ENTRY_DIR_ABS"

+            err=$?

+            [ $err -eq $skip_remaining ] && break

+            ret=$(( ret + err ))

         done

         if [ "$MAKE_ENTRY_DIR_ABS" -eq 0 ]; then