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{ lib, rustPlatform, fetchFromGitHub, pkg-config, libpng, zlib, lcms2 }:
rustPlatform.buildRustPackage rec {
pname = "pngquant";
version = "3.0.3";
outputs = [ "out" "man" ];
src = fetchFromGitHub {
owner = "kornelski";
repo = "pngquant";
rev = version;
hash = "sha256-u2zEp9Llo+c/+1QGW4V4r40KQn/ATHCTEsrpy7bRf/I=";
fetchSubmodules = true;
};
cargoHash = "sha256-mZpg6BRpsvEiMsS6ZJzVYg6wXHLb3Cf72sK1yzTF8y4=";
cargoPatches = [
# https://github.com/kornelski/pngquant/issues/347
./add-Cargo.lock.patch
];
nativeBuildInputs = [ pkg-config ];
buildInputs = [ libpng zlib lcms2 ];
doCheck = false; # Has no Rust-based tests
postInstall = ''
install -Dpm0444 pngquant.1 $man/share/man/man1/pngquant.1
'';
meta = with lib; {
homepage = "https://pngquant.org/";
description = "A tool to convert 24/32-bit RGBA PNGs to 8-bit palette with alpha channel preserved";
changelog = "https://github.com/kornelski/pngquant/raw/${version}/CHANGELOG";
platforms = platforms.unix;
license = with licenses; [ gpl3Plus hpnd bsd2 ];
mainProgram = "pngquant";
maintainers = [ ];
};
}
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