nixpkgs/pkgs/tools/compression/zstd/default.nix

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{ stdenv, fetchFromGitHub, fetchpatch, gnugrep
, fixDarwinDylibNames
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, file
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, legacySupport ? false }:
stdenv.mkDerivation rec {
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pname = "zstd";
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version = "1.4.4";
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src = fetchFromGitHub {
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sha256 = "0zn7r8d4m8w2lblnjalqpz18na0spzkdiw3fwq2fzb7drhb32v54";
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rev = "v${version}";
repo = "zstd";
owner = "facebook";
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};
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patches = [
# All 3 from https://github.com/facebook/zstd/pull/1883
(fetchpatch {
url = "https://github.com/facebook/zstd/commit/106278e7e5fafaea3b7deb4147bdc8071562d2f0.diff";
sha256 = "13z7id1qbc05cv1rmak7c8xrchp7jh1i623bq5pwcihg57wzcyr8";
})
(fetchpatch {
url = "https://github.com/facebook/zstd/commit/0ede342acc2c26f87ae962fa88e158904d4198c4.diff";
sha256 = "12l5xbvnzkvr76mvl1ls767paqfwbd9q1pzq44ckacfpz4f6iaap";
excludes = [
# I think line endings are causing problems, or something like that
"programs/windres/generate_res.bat"
];
})
(fetchpatch {
url = "https://github.com/facebook/zstd/commit/10552eaffef84c011f67af0e04f0780b50a5ab26.diff";
sha256 = "1s27ravar3rn7q8abybp9733jhpsfcaci51k04da94ahahvxwiqw";
})
] # This I didn't upstream because if you use posix threads with MinGW it will
# work find, and I'm not sure how to write the condition.
++ stdenv.lib.optional stdenv.hostPlatform.isWindows ./mcfgthreads-no-pthread.patch;
nativeBuildInputs = stdenv.lib.optional stdenv.isDarwin fixDarwinDylibNames;
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makeFlags = [
"ZSTD_LEGACY_SUPPORT=${if legacySupport then "1" else "0"}"
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] ++ stdenv.lib.optional stdenv.hostPlatform.isWindows "OS=Windows";
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checkInputs = [ file ];
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doCheck = true;
preCheck = ''
substituteInPlace tests/playTests.sh \
--replace 'MD5SUM="md5 -r"' 'MD5SUM="md5sum"'
'';
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installFlags = [
"PREFIX=$(out)"
];
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preInstall = ''
substituteInPlace programs/zstdgrep \
--replace ":-grep" ":-${gnugrep}/bin/grep" \
--replace ":-zstdcat" ":-$out/bin/zstdcat"
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substituteInPlace programs/zstdless \
--replace "zstdcat" "$out/bin/zstdcat"
'';
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enableParallelBuilding = true;
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meta = with stdenv.lib; {
description = "Zstandard real-time compression algorithm";
longDescription = ''
Zstd, short for Zstandard, is a fast lossless compression algorithm,
targeting real-time compression scenarios at zlib-level compression
ratio. Zstd can also offer stronger compression ratio at the cost of
compression speed. Speed/ratio trade-off is configurable by small
increment, to fit different situations. Note however that decompression
speed is preserved and remain roughly the same at all settings, a
property shared by most LZ compression algorithms, such as zlib.
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'';
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homepage = https://facebook.github.io/zstd/;
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license = with licenses; [ bsd3 ]; # Or, at your opinion, GPL-2.0-only.
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platforms = platforms.all;
maintainers = with maintainers; [ orivej ];
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};
}