core/pkgs/build-support/kernel/initrd-compressor-meta.nix

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rec {
cat = {
executable = pkgs: "cat";
ubootName = "none";
extension = ".cpio";
};
gzip = {
executable = pkgs: "${pkgs.gzip}/bin/gzip";
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defaultArgs = [ "-9n" ];
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ubootName = "gzip";
extension = ".gz";
};
bzip2 = {
executable = pkgs: "${pkgs.bzip2}/bin/bzip2";
ubootName = "bzip2";
extension = ".bz2";
};
xz = {
executable = pkgs: "${pkgs.xz}/bin/xz";
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defaultArgs = [ "--check=crc32" "--lzma2=dict=512KiB" ];
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extension = ".xz";
};
lzma = {
executable = pkgs: "${pkgs.xz}/bin/lzma";
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defaultArgs = [ "--check=crc32" "--lzma1=dict=512KiB" ];
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ubootName = "lzma";
extension = ".lzma";
};
lz4 = {
executable = pkgs: "${pkgs.lz4}/bin/lz4";
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defaultArgs = [ "-l" ];
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ubootName = "lz4";
extension = ".lz4";
};
lzop = {
executable = pkgs: "${pkgs.lzop}/bin/lzop";
ubootName = "lzo";
extension = ".lzo";
};
zstd = {
executable = pkgs: "${pkgs.zstd}/bin/zstd";
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defaultArgs = [ "-10" ];
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ubootName = "zstd";
extension = ".zst";
};
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pigz = gzip // { executable = pkgs: "${pkgs.pigz}/bin/pigz"; };
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pixz = xz // {
executable = pkgs: "${pkgs.pixz}/bin/pixz";
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defaultArgs = [ ];
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};
}