36 lines
1.0 KiB
Bash
Executable File
36 lines
1.0 KiB
Bash
Executable File
#!/bin/sh
|
|
#
|
|
# SPDX-FileCopyrightText: 2023 fosslinux <fosslinux@aussies.space>
|
|
#
|
|
# SPDX-License-Identifier: GPL-3.0-or-later
|
|
|
|
set -e
|
|
# mount might fail if /etc doesn't exist because of fstab and mtab
|
|
mkdir -p /dev /etc
|
|
mount -t devtmpfs none /dev &> /junk || true # no /dev/null yet
|
|
rm /junk &> /dev/null || true
|
|
|
|
# Create partition if it doesn't exist
|
|
if [ $(($(stat -c "%Lr" "/dev/${DISK}") % 8)) -eq 0 ]; then
|
|
echo "Creating partition table..."
|
|
echo ";" | sfdisk "/dev/${DISK}"
|
|
fdisk -l "/dev/${DISK}"
|
|
echo "Creating ext4 partition..."
|
|
mkfs.ext4 "/dev/${DISK}1"
|
|
DISK="${DISK}1"
|
|
fi
|
|
|
|
# Mount the partition, move everything into /external
|
|
mkdir -p /newroot
|
|
mount -t ext4 "/dev/${DISK}" /newroot
|
|
mkdir -p /newroot/external
|
|
mv /newroot/* /newroot/external/ 2>/dev/null || true # obviously errors trying to move external into itself
|
|
|
|
# Switch root
|
|
mkdir -p /rootonly
|
|
# This doesn't recursively mount - that's why we're able to copy everything over
|
|
mount --bind / /rootonly
|
|
cp -ar /rootonly/* /newroot/
|
|
umount /rootonly
|
|
switch_root /newroot /init
|