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

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{ stdenv, fetchurl, zlib, utillinux }:
let name = "pigz";
version = "2.3.3";
in
stdenv.mkDerivation {
name = name + "-" + version;
src = fetchurl {
url = "http://www.zlib.net/${name}/${name}-${version}.tar.gz";
sha256 = "172hdf26k4zmm7z8md7nl0dph2a7mhf3x7slb9bhfyff6as6g2sf";
};
buildInputs = [zlib] ++ stdenv.lib.optional stdenv.isLinux utillinux;
doCheck = stdenv.isLinux;
checkTarget = "tests";
installPhase =
''
install -Dm755 pigz "$out/bin/pigz"
ln -s pigz "$out/bin/unpigz"
install -Dm755 pigz.1 "$out/share/man/man1/pigz.1"
ln -s pigz.1 "$out/share/man/man1/unpigz.1"
install -Dm755 pigz.pdf "$out/share/doc/pigz/pigz.pdf"
'';
meta = {
homepage = "http://www.zlib.net/pigz/";
description = "A parallel implementation of gzip for multi-core machines";
platforms = stdenv.lib.platforms.unix;
};
}