iankelling.org Git - distro-setup/blob - zboot-chroot

   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 [[ $EUID == 0 ]] || exec sudo -E "${BASH_SOURCE[0]}" "$@"
  25
  26 if ! test "$BASH_VERSION"; then echo "error: shell is not bash" >&2; exit 1; fi
  27 shopt -s inherit_errexit 2>/dev/null ||: # ignore fail in bash < 4.4
  28 set -eE -o pipefail
  29 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" exit status: $?, PIPESTATUS: ${PIPESTATUS[*]}" >&2' ERR
  30
  31 set -x
  32
  33 apt install grub-efi
  34
  35 # this is taken from partition.DEFAULT
  36 ssds=()
  37 for disk in $(lsblk -do name,tran -n | awk '$2 ~ "^(sata|nvme)$" { print $1 }'); do
  38   case $(cat /sys/block/$disk/queue/rotational) in
  39     0) ssds+=(/dev/$disk) ;;
  40     1) : ;; # hdd
  41     *) echo "$0: error: unknown /sys/block/$disk/queue/rotational: \
  42 $(cat $disk/queue/rotational)" ;;
  43   esac
  44 done
  45
  46 # this is from /a/bin/fai/fai/config/scripts/GRUB_EFI/10-setup
  47 GROOT=$(grub-probe -tdrive -d ${ssds[@]})
  48 echo "GROOT=$GROOT"
  49 grub-install --no-floppy --modules=part_gpt "$GROOT"
  50 update-grub
  51 update-initramfs -u