nixpkgs/pkgs/tools/graphics/pngquant/default.nix

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{ stdenv, fetchFromGitHub, pkgconfig, libpng, zlib, lcms2 }:
stdenv.mkDerivation rec {
name = "pngquant-${version}";
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version = "2.12.1";
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src = fetchFromGitHub {
owner = "pornel";
repo = "pngquant";
rev = version;
sha256 = "0jdvry3kvmmxcgwf5a3zbfz0idl6yl3700ag7pf8sk4lg4qp0llp";
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fetchSubmodules = true;
};
preConfigure = "patchShebangs .";
nativeBuildInputs = [ pkgconfig ];
buildInputs = [ libpng zlib lcms2 ];
meta = with stdenv.lib; {
homepage = https://pngquant.org/;
description = "A tool to convert 24/32-bit RGBA PNGs to 8-bit palette with alpha channel preserved";
platforms = platforms.unix;
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license = licenses.gpl3;
maintainers = [ maintainers.volth ];
};
}