33 lines
969 B
Bash
Executable File
33 lines
969 B
Bash
Executable File
#!/bin/sh
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#
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# SPDX-FileCopyrightText: 2023 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 -ex
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# Create partition if it doesn't exist
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if [ $(($(stat -c "%Lr" "/dev/${DISK}") % 8)) -eq 0 ]; then
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echo "Creating partition table..."
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echo ";" | sfdisk "/dev/${DISK}"
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fdisk -l "/dev/${DISK}"
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echo "Creating ext4 partition..."
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mkfs.ext4 "/dev/${DISK}1"
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DISK="${DISK}1"
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fi
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# Mount the partition, move everything into /external
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mkdir -p /newroot
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mount -t ext4 "/dev/${DISK}" /newroot
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mkdir -p /newroot/external
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mv /newroot/* /newroot/external/ 2>/dev/null || true # obviously errors trying to move external into itself
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# Switch root
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mkdir -p /rootonly
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# This doesn't recursively mount - that's why we're able to copy everything over
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mount --bind / /rootonly
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cp -ar /rootonly/* /newroot/
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sed -e 's/newroot//' /rootonly/etc/mtab | grep -v 'rootonly' > /newroot/etc/mtab
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umount /rootonly
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switch_root /newroot /init
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