iankelling.org Git - automated-distro-installer/blob - fai/config/distro-install-common/install-stable-kernel-debs

   1 #!/bin/bash -x
   2 # This file is part of Ian Kelling's automated-distro-installer
   3 # Copyright (C) 2024 Ian Kelling
   4
   5 # This program is free software; you can redistribute it and/or
   6 # modify it under the terms of the GNU General Public License
   7 # as published by the Free Software Foundation; either version 2
   8 # of the License, or (at your option) any later version.
   9
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program; if not, write to the Free Software
  17 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  18
  19 set -eE -o pipefail
  20 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
  21
  22 [[ $EUID == 0 ]] || exec sudo -E "${BASH_SOURCE[0]}" "$@"
  23
  24 tmpdir=$(mktemp -d) || exit
  25 trap 'cd; rm -rf "$tmpdir"' EXIT
  26 cd $tmpdir
  27
  28 # update stable_ver when we are ready to jump to a new stable kernel.
  29 # Stable kernels are listed here: https://www.kernel.org/category/releases.html
  30 stable_ver='6\.6'
  31 va=$(curl -s https://kernel.ubuntu.com/mainline/ | \
  32        sed -rn 's,.*alt="\[DIR\]".*href="([^/]+).*,\1,p' | \
  33        grep -v -- -rc | sed 's/^v//' | grep "^$stable_ver" | sort -V | tail -n1)
  34
  35 # note the wiki page about these says to install linux-headers.*generic.*amd64, but
  36 # as of 2024, they have a requirement of a very new glibc, and people report
  37 # that installing it is not needed.
  38 tmpstr=$(curl -s https://kernel.ubuntu.com/mainline/v$va/amd64/CHECKSUMS | awk '$2 ~ /^linux-/ { print $2 }' | sort -u | grep -iv 'linux-headers.*generic.*amd64' )
  39 mapfile -t pkgs <<<"$tmpstr"
  40
  41 if (( ${#pkgs[@]} != 3 )); then
  42   echo "$0: error. expected to find 3 kernel packages, got: ${pkgs[*]}" >&2
  43   exit 1
  44 fi
  45
  46 urls=()
  47 for p in ${pkgs[@]}; do
  48   if ! dpkg -s -- "${p%%_*}"  2>&1 | grep -Fx "Status: install ok installed" &>/dev/null; then
  49     urls+=(https://kernel.ubuntu.com/mainline/v$va/amd64/$p)
  50   fi
  51 done
  52 if (( ${#urls[@]} >= 1 )); then
  53   wget "${urls[@]}"
  54   dpkg -i ./*.deb
  55 fi