{ lib, stdenv, fetchFromGitHub, pkg-config, libpng, zlib }: stdenv.mkDerivation rec { pname = "pngloss"; version = "unstable-2020-11-25"; src = fetchFromGitHub { owner = "foobaz"; repo = pname; rev = "559f09437e1c797a1eaf08dfdcddd9b082f0e09c"; sha256 = "sha256-dqrrzbLu4znyWOlTDIf56O3efxszetiP+CdFiy2PBd4="; }; nativeBuildInputs = [ pkg-config ]; buildInputs = [ libpng zlib ]; installPhase = '' runHook preInstall install -D ./src/pngloss $out/bin/pngloss runHook postInstall ''; meta = with lib; { description = "Lossy compression of PNG images"; homepage = "https://github.com/foobaz/pngloss"; license = licenses.mit; platforms = platforms.all; maintainers = with maintainers; [ _2gn ]; }; }