iankelling.org Git - distro-setup/blob - schrootupdate

   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 set -eE -o pipefail
  25 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
  26
  27 [[ $EUID == 0 ]] || exec sudo -E "${BASH_SOURCE[0]}" "$@"
  28
  29 # used to have more than one, leaving commented in case we do
  30 #for n in bullseye; do
  31 n=bullseye
  32 if [[ -e /etc/schroot/chroot.d/$n.conf ]]; then
  33   cd /
  34   schroot -c $n -- apt-get -y update
  35   schroot -c $n -- apt-get -y dist-upgrade --purge --auto-remove
  36 fi
  37 #done
  38
  39 # if we haven't upgraded yet
  40 if [[ ! -d /mnt/boot/debianbullseye_bootstrap ]]; then
  41   exit 0
  42 fi
  43
  44 dev=$(awk '$2 == "/mnt/boot" {print $1}' /etc/mtab)
  45 if [[ ! $dev ]]; then
  46   exit 0
  47 fi
  48 mkdir -p /mnt/tmptimer
  49 if ! mountpoint /mnt/tmptimer &>/dev/null; then
  50   mount -o subvol=debianbullseye_bootstrap $dev /mnt/tmptimer
  51 fi
  52 cd /mnt/tmptimer
  53 for d in dev proc sys dev/pts; do
  54   [[ -d $d ]]
  55   if ! mountpoint $d &>/dev/null; then
  56     mount -o bind /$d $d
  57   fi
  58 done
  59 chroot . apt-get -y update
  60 chroot . apt-get -y dist-upgrade --purge --auto-remove
  61
  62 for d in dev/pts dev proc sys; do
  63   if mountpoint $d &>/dev/null; then
  64     umount $d
  65   fi
  66 done
  67 cd /
  68 umount /mnt/tmptimer