2021-07-06 01:52:10 +01:00
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#!/usr/bin/bash
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# SPDX-FileCopyrightText: 2021 fosslinux <fosslinux@aussies.space>
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#
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# SPDX-License-Identifier: GPL-3.0-or-later
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set -e
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2021-08-05 13:16:19 +01:00
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# shellcheck source=sysglobal/helpers.sh
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. helpers.sh
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# shellcheck source=/dev/null
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2021-07-06 01:52:10 +01:00
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. bootstrap.cfg
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# Unload the current kernel before things go weird
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kexec -u
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create_hdx() {
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2021-08-04 03:56:07 +01:00
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# Create all of the sd{a,b,c..}
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2021-07-06 01:52:10 +01:00
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minor=0
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alpha="a b c d e f g h i j k l m n o p" # 16 disks -- more than enough
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# For each disk...
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for a in ${alpha}; do
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2021-08-04 03:56:07 +01:00
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mknod -m 600 "/dev/sd${a}" b 8 "$((minor++))"
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2021-07-06 01:52:10 +01:00
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# For each partition...
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for p in $(seq 15); do
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2021-08-04 03:56:07 +01:00
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mknod -m 600 "/dev/sd${a}${p}" b 8 "$((minor++))"
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2021-07-06 01:52:10 +01:00
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done
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done
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}
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2021-10-03 02:28:08 +01:00
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# All the various structures that don't exist but needed to mount
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mkdir -p /etc /dev
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populate_device_nodes ""
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create_hdx
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ask_disk() {
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echo
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echo "What disk would you like to use for live-bootstrap?"
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echo "(live-bootstrap assumes you have pre-prepared the disk)."
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echo "Please provide in format sdxx (as you would find under /dev)."
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echo "You can type 'list' to get a list of disks to help you figure"
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echo "out which is the right disk."
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echo
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read -r DISK
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if [ "${DISK}" = "list" ]; then
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fdisk -l
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ask_disk
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elif [ -z "${DISK}" ] || ! [ -e "/dev/${DISK}" ]; then
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echo "Invalid."
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ask_disk
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fi
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}
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if [ -z "${DISK}" ] || ! [ -e "/dev/${DISK}" ]; then
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echo "You did not provide a valid disk in the configuration file."
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ask_disk
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2021-07-06 01:52:10 +01:00
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fi
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2021-10-14 11:31:45 +01:00
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echo "export DISK=${DISK}" >> /usr/src/bootstrap.cfg
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2021-10-03 02:28:08 +01:00
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2021-07-06 01:52:10 +01:00
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# Otherwise, add stuff from sysa to sysb
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echo "Mounting sysc"
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mkdir /sysc
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2021-08-04 03:56:07 +01:00
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mount -t ext4 "/dev/${DISK}" /sysc
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2021-07-06 01:52:10 +01:00
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# Copy over appropriate data
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echo "Copying data into sysc"
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cp -r /dev /sysc/
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# Don't include /usr/src
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find /usr -mindepth 1 -maxdepth 1 -type d -not -name src -exec cp -r {} /sysc/{} \;
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2021-10-03 02:28:08 +01:00
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# Except for bootstrap.cfg
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cp /usr/src/bootstrap.cfg /sysc/usr/src/bootstrap.cfg
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2022-01-14 11:02:08 +00:00
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cp -r /usr/src/repo /sysc/usr/src/repo
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2021-07-06 01:52:10 +01:00
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sync
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# switch_root into sysc 1. for simplicity 2. to avoid kexecing again
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# spouts a few errors because we don't have /proc /sys or /dev mounted
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echo "Switching into sysc"
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exec switch_root /sysc /init
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