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Commit | Line | Data |
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8f51399e HH |
1 | #!/bin/bash |
2 | # -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*- | |
3 | # ex: ts=8 sw=4 sts=4 et filetype=sh | |
4 | ||
5 | COMMAND="$1" | |
6 | KERNEL_VERSION="$2" | |
7 | BOOT_DIR_ABS="$3" | |
8 | KERNEL_IMAGE="$4" | |
9 | ||
10 | if [[ -f /etc/machine-id ]]; then | |
11 | read MACHINE_ID < /etc/machine-id | |
12 | fi | |
13 | ||
14 | if ! [[ $MACHINE_ID ]]; then | |
15 | exit 1 | |
16 | fi | |
17 | ||
18 | BOOT_DIR="/$MACHINE_ID/$KERNEL_VERSION" | |
19 | LOADER_ENTRY="/boot/loader/entries/$MACHINE_ID-$KERNEL_VERSION.conf" | |
20 | ||
21 | if [[ $COMMAND == remove ]]; then | |
22 | exec rm -f "$LOADER_ENTRY" | |
23 | fi | |
24 | ||
25 | if ! [[ $COMMAND == add ]]; then | |
26 | exit 1 | |
27 | fi | |
28 | ||
29 | if ! [[ $KERNEL_IMAGE ]]; then | |
30 | exit 1 | |
31 | fi | |
32 | ||
33 | if [[ -f /etc/os-release ]]; then | |
34 | . /etc/os-release | |
5ae4d543 LP |
35 | elif [[ -f /usr/lib/os-release ]]; then |
36 | . /usr/lib/os-release | |
8f51399e HH |
37 | fi |
38 | ||
39 | if ! [[ $PRETTY_NAME ]]; then | |
40 | PRETTY_NAME="Linux $KERNEL_VERSION" | |
41 | fi | |
42 | ||
6c10d399 HH |
43 | declare -a BOOT_OPTIONS |
44 | ||
8f51399e HH |
45 | if [[ -f /etc/kernel/cmdline ]]; then |
46 | readarray -t BOOT_OPTIONS < /etc/kernel/cmdline | |
47 | fi | |
48 | ||
49 | if ! [[ ${BOOT_OPTIONS[*]} ]]; then | |
6c10d399 HH |
50 | readarray -t line < /proc/cmdline |
51 | for i in ${line[*]}; do | |
52 | if [[ "${i#initrd=*}" == "$i" ]]; then | |
53 | BOOT_OPTIONS[${#BOOT_OPTIONS[@]}]="$i" | |
54 | fi | |
55 | done | |
8f51399e HH |
56 | fi |
57 | ||
6c10d399 | 58 | if ! [[ ${BOOT_OPTIONS[*]} ]]; then |
8f51399e HH |
59 | echo "Could not determine the kernel command line parameters." >&2 |
60 | echo "Please specify the kernel command line in /etc/kernel/cmdline!" >&2 | |
61 | exit 1 | |
62 | fi | |
63 | ||
8b179a83 TG |
64 | cp "$KERNEL_IMAGE" "$BOOT_DIR_ABS/linux" && |
65 | chown root:root "$BOOT_DIR_ABS/linux" && | |
66 | chmod 0644 "$BOOT_DIR_ABS/linux" || { | |
8f51399e HH |
67 | echo "Could not copy '$KERNEL_IMAGE to '$BOOT_DIR_ABS/linux'." >&2 |
68 | exit 1 | |
69 | } | |
70 | ||
71 | mkdir -p "${LOADER_ENTRY%/*}" || { | |
72 | echo "Could not create loader entry directory '${LOADER_ENTRY%/*}'." >&2 | |
73 | exit 1 | |
74 | } | |
75 | ||
76 | { | |
77 | echo "title $PRETTY_NAME" | |
78 | echo "version $KERNEL_VERSION" | |
79 | echo "machine-id $MACHINE_ID" | |
80 | echo "options ${BOOT_OPTIONS[*]}" | |
81 | echo "linux $BOOT_DIR/linux" | |
82 | [[ -f $BOOT_DIR_ABS/initrd ]] && \ | |
83 | echo "initrd $BOOT_DIR/initrd" | |
852752fc | 84 | : |
8f51399e HH |
85 | } > "$LOADER_ENTRY" || { |
86 | echo "Could not create loader entry '$LOADER_ENTRY'." >&2 | |
87 | exit 1 | |
88 | } | |
89 | exit 0 |