mirror of
https://codeberg.org/mart-w/nixos-x13s.git
synced 2024-09-19 19:12:29 +02:00
51 lines
1,013 B
Nix
51 lines
1,013 B
Nix
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{
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stdenv,
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parted,
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util-linux,
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dosfstools,
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mtools,
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uefi,
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}:
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stdenv.mkDerivation rec {
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name = "usbdisk";
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version = uefi.version;
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src = ./.;
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nativeBuildInputs = [
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parted
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util-linux
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dosfstools
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mtools
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];
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doUnpack = false;
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buildPhase = ''
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img=${name}-${version}.iso
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gap=8
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blocks=$(du -B 512 --summarize --apparent-size ${uefi} | awk '{ print $1 }')
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blocks=$(( 2 * blocks ))
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size=$(( 512 * blocks + gap * 1024 * 1024 + 34*512))
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truncate -s $size $img
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sfdisk $img <<EOF
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label: gpt
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start=''${gap}M, size=$blocks, type=uefi
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EOF
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eval $(partx $img -o START,SECTORS --nr 1 --pairs)
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truncate -s $(( SECTORS * 512 )) part.img
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mkfs.vfat part.img
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mcopy -spvm -i ./part.img ${uefi}/EFI "::/EFI"
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mcopy -spvm -i ./part.img ${uefi}/Flash "::/Flash"
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dd conv=notrunc if=part.img of=$img seek=$START count=$SECTORS
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rm -fr part.img
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'';
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installPhase = ''
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mkdir $out
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mv ${name}-${version}.iso $out/
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'';
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}
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