2023-10-26 02:03:32 +02:00
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#!/bin/bash
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boot_dir='/boot/syslinux'
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boot_dir="${boot_dir%/}"
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boot_disk="$(findmnt --noheadings --target "${boot_dir}" --output 'SOURCE')" || {
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printf -- '%s\n' \
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'Unable to identify boot drive for '"'${boot_dir}'"' boot dir.' \
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'Cowardly exiting. No syslinux files nor MBR were overwritten.'
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exit 1
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}
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2023-10-26 02:20:51 +02:00
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if [[ "$(<<<"${boot_fs}" wc -l)" -gt '1' ]]; then
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2023-10-26 02:03:32 +02:00
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printf -- '%s\n' \
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'More than one drive mounted at '"'${boot_dir}'"' boot dir.' \
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'Cowardly exiting. No syslinux files nor MBR were overwritten.'
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exit 1
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fi
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find "${boot_dir}" -type f -iname '*.c32' -delete
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rsync -a '/usr/lib/syslinux/bios/'*'.c32' "${boot_dir}"'/'
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extlinux --install "${boot_dir}"
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dd bs=440 count=1 conv=notrunc if='/usr/lib/syslinux/bios/mbr.bin' of="${boot_disk}"
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