42 lines
895 B
Bash
42 lines
895 B
Bash
#!/bin/sh
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#supports_backup in PINN
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set -ex
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# shellcheck disable=SC2154
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if [ -z "$part1" ] || [ -z "$part2" ]; then
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printf "Error: missing environment variable part1 or part2\n" 1>&2
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exit 1
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fi
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mkdir -p /tmp/1 /tmp/2
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mount "$part1" /tmp/1
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mount "$part2" /tmp/2
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sed /tmp/1/cmdline.txt -i -e "s|root=[^ ]*|root=${part2}|"
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sed /tmp/2/etc/fstab -i -e "s|^[^#].* / |${part2} / |"
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sed /tmp/2/etc/fstab -i -e "s|^[^#].* /boot |${part1} /boot |"
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# shellcheck disable=SC2154
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if [ -z "$restore" ]; then
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if [ -f /mnt/ssh ]; then
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cp /mnt/ssh /tmp/1/
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fi
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if [ -f /mnt/ssh.txt ]; then
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cp /mnt/ssh.txt /tmp/1/
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fi
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if [ -f /settings/wpa_supplicant.conf ]; then
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cp /settings/wpa_supplicant.conf /tmp/1/
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fi
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if ! grep -q resize /proc/cmdline; then
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sed -i 's| init=/usr/lib/raspi-config/init_resize.sh||;s| quiet||2g' /tmp/1/cmdline.txt
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fi
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fi
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umount /tmp/1
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umount /tmp/2
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