core/pkgs/by-name/te/texlive/packages.nix

{ ... }:
res: pkgs: super:

with pkgs; {
  # TeX Live; see https://nixos.org/nixpkgs/manual/#sec-language-texlive
  texlive = callPackage ./. { };
  inherit (texlive.schemes)
    texliveBasic texliveBookPub texliveConTeXt texliveFull texliveGUST
    texliveInfraOnly texliveMedium texliveMinimal texliveSmall texliveTeTeX;
  texlivePackages =
    recurseIntoAttrs (lib.filterAttrs (_: lib.isDerivation) texlive.pkgs);
}