host info updates
[distro-setup] / iboot
1 #!/bin/bash
2 # I, Ian Kelling, follow the GNU license recommendations at
3 # https://www.gnu.org/licenses/license-recommendations.en.html. They
4 # recommend that small programs, < 300 lines, be licensed under the
5 # Apache License 2.0. This file contains or is part of one or more small
6 # programs. If a small program grows beyond 300 lines, I plan to switch
7 # its license to GPL.
8
9 # Copyright 2024 Ian Kelling
10
11 # Licensed under the Apache License, Version 2.0 (the "License");
12 # you may not use this file except in compliance with the License.
13 # You may obtain a copy of the License at
14
15 # http://www.apache.org/licenses/LICENSE-2.0
16
17 # Unless required by applicable law or agreed to in writing, software
18 # distributed under the License is distributed on an "AS IS" BASIS,
19 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
20 # See the License for the specific language governing permissions and
21 # limitations under the License.
22
23
24 ## in development, meant to be run manually
25 [[ $EUID == 0 ]] || exec sudo -E "${BASH_SOURCE[0]}" "$@"
26
27 if ! test "$BASH_VERSION"; then echo "error: shell is not bash" >&2; exit 1; fi
28 shopt -s inherit_errexit 2>/dev/null ||: # ignore fail in bash < 4.4
29 set -eE -o pipefail
30 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" exit status: $?, PIPESTATUS: ${PIPESTATUS[*]}" >&2' ERR
31
32 set -x
33
34 da=(/dev/mapper/crypt_dev*)
35 d=${da[0]}
36
37 mount -o subvol=root_trisquelnabia $d /mnt
38
39 boot_part=$(awk '$2 == "/" {print $1}' /etc/mtab)
40 mount -o subvol=boot_trisquelnabia $boot_part /mnt/boot
41
42 cd /mnt
43 mount -o bind /dev dev
44 mount -o bind /proc proc
45 mount -o bind /sys sys
46 mkdir -p boot/efi
47 mount "$(awk '$2 == "/boot/efi" {print $1}' /etc/mtab)" boot/efi
48 chroot .
49 # then run zboot-chroot