license: LGPL-2.1+ -> LGPL-2.1-or-later

[thirdparty/systemd.git] / src / kernel-install / kernel-install

diff --git a/src/kernel-install/kernel-install b/src/kernel-install/kernel-install
old mode 100644 (file)
new mode 100755 (executable)
index 7973818..e7457e9
--- a/src/kernel-install/kernel-install
+++ b/src/kernel-install/kernel-install
@@ -1,11 +1,10 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # -*- 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+
+# 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
@@ -24,8 +23,11 @@ SKIP_REMAINING=77
 usage()
 {
     echo "Usage:"
-    echo "        $0 add KERNEL-VERSION KERNEL-IMAGE [INITRD-FILE ...]"
-    echo "        $0 remove KERNEL-VERSION"
+    echo "  $0 [OPTIONS...] add KERNEL-VERSION KERNEL-IMAGE [INITRD-FILE ...]"
+    echo "  $0 [OPTIONS...] remove KERNEL-VERSION"
+    echo "Options:"
+    echo "  -h,--help     Print this help"
+    echo "  -v,--verbose  Increase verbosity"
 }
 
 dropindirs_sort()
@@ -63,19 +65,33 @@ for i in "$@"; do
     fi
 done
 
+KERNEL_INSTALL_VERBOSE=0
+if [ "$1" == "--verbose" -o "$1" == "-v" ]; then
+    shift
+    KERNEL_INSTALL_VERBOSE=1
+fi
+export KERNEL_INSTALL_VERBOSE
+
 if [[ "${0##*/}" == 'installkernel' ]]; then
     COMMAND='add'
+    # make install doesn't pass any parameter wrt initrd handling
+    INITRD_OPTIONS=()
 else
     COMMAND="$1"
     shift
+    INITRD_OPTIONS=( "${@:3}" )
 fi
 
 KERNEL_VERSION="$1"
 KERNEL_IMAGE="$2"
-INITRD_OPTIONS_START="3"
 
-if [[ -f /etc/machine-id ]]; then
+# Reuse directory created without a machine ID present if it exists.
+if [[ -d /efi/Default ]] || [[ -d /boot/Default ]] || [[ -d /boot/efi/Default ]]; then
+    MACHINE_ID="Default"
+elif [[ -f /etc/machine-id ]]; then
     read MACHINE_ID < /etc/machine-id
+else
+    MACHINE_ID="Default"
 fi
 
 if [[ ! $COMMAND ]] || [[ ! $KERNEL_VERSION ]]; then
@@ -83,21 +99,18 @@ if [[ ! $COMMAND ]] || [[ ! $KERNEL_VERSION ]]; then
     exit 1
 fi
 
-if ! [[ $MACHINE_ID ]]; then
-    BOOT_DIR_ABS=$(mktemp -d /tmp/kernel-install.XXXXX) || exit 1
-    trap "rm -rf '$BOOT_DIR_ABS'" EXIT INT QUIT PIPE
-elif [[ -d /efi/loader/entries ]] || [[ -d /efi/$MACHINE_ID ]]; then
-    BOOT_DIR_ABS="/efi/$MACHINE_ID/$KERNEL_VERSION"
+if [[ -d /efi/loader/entries ]] || [[ -d /efi/$MACHINE_ID ]]; then
+    ENTRY_DIR_ABS="/efi/$MACHINE_ID/$KERNEL_VERSION"
 elif [[ -d /boot/loader/entries ]] || [[ -d /boot/$MACHINE_ID ]]; then
-    BOOT_DIR_ABS="/boot/$MACHINE_ID/$KERNEL_VERSION"
+    ENTRY_DIR_ABS="/boot/$MACHINE_ID/$KERNEL_VERSION"
 elif [[ -d /boot/efi/loader/entries ]] || [[ -d /boot/efi/$MACHINE_ID ]]; then
-    BOOT_DIR_ABS="/boot/efi/$MACHINE_ID/$KERNEL_VERSION"
+    ENTRY_DIR_ABS="/boot/efi/$MACHINE_ID/$KERNEL_VERSION"
 elif mountpoint -q /efi; then
-    BOOT_DIR_ABS="/efi/$MACHINE_ID/$KERNEL_VERSION"
+    ENTRY_DIR_ABS="/efi/$MACHINE_ID/$KERNEL_VERSION"
 elif mountpoint -q /boot/efi; then
-    BOOT_DIR_ABS="/boot/efi/$MACHINE_ID/$KERNEL_VERSION"
+    ENTRY_DIR_ABS="/boot/efi/$MACHINE_ID/$KERNEL_VERSION"
 else
-    BOOT_DIR_ABS="/boot/$MACHINE_ID/$KERNEL_VERSION"
+    ENTRY_DIR_ABS="/boot/$MACHINE_ID/$KERNEL_VERSION"
 fi
 
 export KERNEL_INSTALL_MACHINE_ID=$MACHINE_ID
@@ -117,14 +130,16 @@ case $COMMAND in
             exit 1
         fi
 
-        mkdir -p "$BOOT_DIR_ABS" || {
-            echo "Could not create boot directory '$BOOT_DIR_ABS'." >&2
+        if [[ ! -f "$KERNEL_IMAGE" ]]; then
+            echo "Kernel image argument ${KERNEL_IMAGE} not a file" >&2
             exit 1
-        }
+        fi
 
         for f in "${PLUGINS[@]}"; do
             if [[ -x $f ]]; then
-                "$f" add "$KERNEL_VERSION" "$BOOT_DIR_ABS" "$KERNEL_IMAGE" "${@:${INITRD_OPTIONS_START}}"
+                [ "$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 == $SKIP_REMAINING ]]; then
                     ret=0
@@ -133,20 +148,14 @@ case $COMMAND in
                 ((ret+=$x))
             fi
         done
-
-        if ! [[ $MACHINE_ID ]] && ! rmdir "$BOOT_DIR_ABS"; then
-            echo "Warning: In kernel-install plugins, requiring BOOT_DIR_ABS to be preset is deprecated." >&2
-            echo "         All plugins should not put anything in BOOT_DIR_ABS if the environment" >&2
-            echo "         variable KERNEL_INSTALL_MACHINE_ID is empty." >&2
-            rm -rf "$BOOT_DIR_ABS"
-            ((ret+=$?))
-        fi
         ;;
 
     remove)
         for f in "${PLUGINS[@]}"; do
             if [[ -x $f ]]; then
-                "$f" remove "$KERNEL_VERSION" "$BOOT_DIR_ABS"
+                [ "$KERNEL_INSTALL_VERBOSE" -gt 0 ] && \
+                    echo "+$f remove $KERNEL_VERSION $ENTRY_DIR_ABS"
+                "$f" remove "$KERNEL_VERSION" "$ENTRY_DIR_ABS"
                 x=$?
                 if [[ $x == $SKIP_REMAINING ]]; then
                     ret=0
@@ -156,7 +165,10 @@ case $COMMAND in
             fi
         done
 
-        rm -rf "$BOOT_DIR_ABS"
+        [ "$KERNEL_INSTALL_VERBOSE" -gt 0 ] && \
+            echo "Removing $ENTRY_DIR_ABS"
+
+        rm -rf "$ENTRY_DIR_ABS"
         ((ret+=$?))
         ;;