+++ /dev/null
-#!/bin/bash
-# Copyright (C) 2016 Ian Kelling
-
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-
-
-set -eE -o pipefail
-trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
-
-[[ $EUID == 0 ]] || exec sudo "$BASH_SOURCE" "$@"
-
-usage() {
- cat <<EOF
-Usage: ${0##*/} [OPTIONS] DISTRO_NAME
-Set grub to boot into a different distro, and reboot unless -r
-
-With no argument, print available distros
-DISTRO_NAME is based on the partition names in /boot.
-For example debianjessie for the partitionn boot_debianjessie.
-
--r Do not reboot.
--d Enable debug output.
--h|--help Print help and exit.
-
-Note: Uses GNU getopt options parsing style
-EOF
- exit $1
-}
-
-###### begin command line parsing #####
-reboot=true
-temp=$(getopt -l opt o "$@") || usage 1
-eval set -- "$temp"
-while true; do
- case $1 in
- -d) set -x; shift ;;
- -r) reboot=false; shift ;;
- -h|--help) usage ;;
- --) shift; break ;;
- *) echo "$0: Internal error!" ; exit 1 ;;
- esac
-done
-
-
-distro=$1
-
-if [[ ! $distro ]]; then
- echo "available distros:"
- btrfs subvolume list /boot | sed -rn 's/^.*boot_(.*)/\1/p'
- exit 0
-fi
-
-###### end command line parsing #####
-
-
-#### begin initial error checking #####
-
-if ! btrfs subvolume list /boot | grep "_$distro$" &>/dev/null; then
- echo "$0: error: _$distro$ not found in btrfs subvolume list /boot:"
- btrfs subvolume list /boot
- exit 1
-fi
-
-#### end initial error checking #####
-
-e() { echo "$@"; "$@"; }
-
-boot_dev=$(mount | sed -rn "s#^(\S+) on /boot .*#\1#p")
-
-mount_point=$(mktemp -d)
-
-e mount -o subvol=boot_$distro $boot_dev $mount_point
-
-boot_disk=${boot_dev%%[0-9]*}
-
-# arch doesn't have $mount_point/grub/device.map, accoring to the grub manual,
-# it just generates one if the file doesn't exist.
-# https://www.gnu.org/software/grub/manual/html_node/Device-map.html
-e grub-bios-setup -d $mount_point/grub/i386-pc -s -m $mount_point/grub/device.map $boot_disk
-
-# todo, mount_point needs subvolid=0
-e grub-editenv $mount_point/grub2/grubenv set default_subvol=/boot_$distro
-
-e umount $mount_point
-e rmdir $mount_point
-
-if $reboot; then
- touch /tmp/keyscript-off
- reboot now
-fi
iankelling.org / git / automated-distro-installer / blobdiff