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19 lines
425 B
Plaintext
19 lines
425 B
Plaintext
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#!/bin/sh
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# Main system backups are carried out via ZFS send/receive,
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# but that won't pick up /boot.
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set -e
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# ensure /boot is the real deal
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mountpoint -q /boot || (echo "/boot is not a mountpoint" >&2; exit 1)
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# bind mount / to a temporary path
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fakeroot=$(mktemp -d)
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mount --bind / $fakeroot
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# copy the /boot filesystem into /'s boot/
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rsync -a --delete /boot/ $fakeroot/boot/
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# clean up
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umount $fakeroot
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rmdir $fakeroot
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