nixos-config/lib/env-specific/wrapper-manager.nix

{ pkgs, lib, self }:

{
  /* Given a Blender package and its addons to be wrapped, create a derivation
     containing all of the addons properly placed as a system resource folder.
  */
  wrapBlenderAddons = { blenderPackage, addons }:
    let
      blenderVersion = lib.versions.majorMinor blenderPackage.version;
    in
    pkgs.runCommand "blender-system-resources"
      {
        passAsFile = [ "paths" ];
        paths = addons ++ [ blenderPackage ];
        nativeBuildInputs = with pkgs; [ outils ];
      } ''
      mkdir -p $out
      for i in $(cat $pathsPath); do
        resourcesPath="$i/share/blender"
        if [ -d $i/share/blender/${blenderVersion} ]; then
          resourcesPath="$i/share/blender/${blenderVersion}";
        fi
        lndir -silent $resourcesPath $out
      done
    '';
}