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17 lines
578 B
Nix
17 lines
578 B
Nix
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{ runCommand }:
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firmware:
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runCommand "${firmware.name}-xz" {} ''
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mkdir -p $out/lib
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(cd ${firmware} && find lib/firmware -type d -print0) |
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(cd $out && xargs -0 mkdir -v --)
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(cd ${firmware} && find lib/firmware -type f -print0) |
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(cd $out && xargs -0tP "$NIX_BUILD_CORES" -n1 \
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sh -c 'xz -9c -T1 -C crc32 --lzma2=dict=2MiB "${firmware}/$1" > "$1.xz"' --)
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(cd ${firmware} && find lib/firmware -type l) | while read link; do
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target="$(readlink "${firmware}/$link")"
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ln -vs -- "''${target/^${firmware}/$out}.xz" "$out/$link.xz"
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done
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''
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