Monorepo for Aesthetic.Computer
aesthetic.computer
fix: reserve gpt tail for nix usb partitions
+5
-1
+5
-1
fedac/native/scripts/nixos-image-helper.sh
+5
-1
fedac/native/scripts/nixos-image-helper.sh
···
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local type_guid="$4"
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local part_name="$5"
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local sector_size=512
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+
local gpt_tail_sectors=34
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local image_bytes
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local image_sectors
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local start_sector
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local size_sectors
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local total_sectors
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image_bytes=$(stat -c%s "${image_path}")
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image_sectors=$(( (image_bytes + sector_size - 1) / sector_size ))
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start_sector=$(( ((image_sectors + 2047) / 2048) * 2048 ))
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size_sectors=$(( size_mib * 1024 * 1024 / sector_size ))
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total_sectors=$(( start_sector + size_sectors + gpt_tail_sectors ))
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-
truncate -s $(((start_sector + size_sectors) * sector_size)) "${image_path}"
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truncate -s $(( total_sectors * sector_size )) "${image_path}"
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sgdisk -e "${image_path}" >/dev/null
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printf 'start=%s, size=%s, type=%s, name="%s"\n' \
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"${start_sector}" "${size_sectors}" "${type_guid}" "${part_name}" |
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sfdisk --no-reread -N "${part_number}" "${image_path}" >/dev/null