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{ lib, stdenv, fetchFromGitHub, fetchurl, rust, rustPlatform, cargo-c, python3 }:
rustPlatform.buildRustPackage rec {
pname = "libimagequant";
version = "4.2.2";
src = fetchFromGitHub {
owner = "ImageOptim";
repo = pname;
rev = version;
hash = "sha256-cZgnJOmj+xJDcewsxH2Jp5AAnFZKVuYxKPtoGeN03g4=";
};
cargoLock = {
lockFile = ./Cargo.lock;
};
postPatch = ''
ln -s ${./Cargo.lock} Cargo.lock
'';
nativeBuildInputs = [ cargo-c ];
postBuild = ''
pushd imagequant-sys
${rust.envVars.setEnv} cargo cbuild --release --frozen --prefix=${placeholder "out"} --target ${stdenv.hostPlatform.rust.rustcTarget}
popd
'';
postInstall = ''
pushd imagequant-sys
${rust.envVars.setEnv} cargo cinstall --release --frozen --prefix=${placeholder "out"} --target ${stdenv.hostPlatform.rust.rustcTarget}
popd
'';
passthru.tests = {
inherit (python3.pkgs) pillow;
};
meta = with lib; {
homepage = "https://pngquant.org/lib/";
description = "Image quantization library";
longDescription = "Small, portable C library for high-quality conversion of RGBA images to 8-bit indexed-color (palette) images.";
license = licenses.gpl3Plus;
platforms = platforms.unix;
maintainers = with maintainers; [ ma9e marsam ];
};
}
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