I will add platform, but license is some custom license
https://github.com/pornel/pngquant/blob/master/COPYRIGHT


On Mon, Oct 28, 2013 at 4:45 PM, Domen Kožar <notifications@github.com>wrote:

> In pkgs/tools/graphics/pngquant/default.nix:
>
> > +  src = fetchgit {
> > +    url = https://github.com/pornel/pngquant.git;
> > +    rev = "eac800b96fa55b87459ccf0cc87b232aabd3d7ec";
> > +    sha256 = "0xb71h9za7hx55insxjd09h027kf320i1n44bjwnpj1n13d3id2g";
> > +  };
> > +
> > +  buildInputs = [ libpng ];
> > +
> > +  preInstall = ''
> > +    mkdir -p $out/bin
> > +    export PREFIX=$out
> > +  '';
> > +
> > +  meta = {
> > +    homepage = https://github.com/pornel/pngquant;
> > +    description = "pngquant converts 24/32-bit RGBA PNGs to 8-bit palette with alpha channel preserved";
>
> license and platform missing
>
> —
> Reply to this email directly or view it on GitHub<https://github.com/NixOS/nixpkgs/pull/1139/files#r7252165>
> .
>