inputs: final: prev: {
  mdbook-multilang = inputs.nixos-22-05.mdbook.overrideAttrs (oldAttrs: rec {
    pname = "mdbook";

    version = "pr1306";

    src = prev.fetchFromGitHub {
      owner = "Ruin0x11";
      repo = "mdBook";
      rev = "9d8147c52dd9d50047ba5b29e4af99f92577806e";
      sha256 = "sha256-gJnQKHssO2ChiT4d037Lncd7hiOa5uh756p8TzPzbgQ=";
    };

    cargoDeps = oldAttrs.cargoDeps.overrideAttrs (prev.lib.const {
      name = "${pname}-vendor.tar.gz";
      inherit src;
      outputHash = "sha256-QCEyl5FZqECYYb5eRm8mn+R6owt+CLQwCq/AMMPygE0=";
    });
  });
}