You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: ppsspp.rb
    path of file: ./repos/homebrew-core/Formula/p
    
    the code of the file until where you have to start completion: class Ppsspp < Formula
  desc "PlayStation Portable emulator"
  homepage "https://ppsspp.org/"
  url "https://github.com/hrydgard/ppsspp.git",
      tag:      "v1.17.1",
      revision: "d479b74ed9c3e321bc3735da29bc125a2ac3b9b2"
  license all_of: ["GPL-2.0-or-later", "BSD-3-Clause"]
  head
    
  def install
    # Build PPSSPP-bundled ffmpeg from source. Changes in more recent
    # versions in ffmpeg make it unsuitable for use with PPSSPP, so
    # upstream ships a modified version of ffmpeg 3.
    # See https://github.com/Homebrew/homebrew-core/issues/84737.
    cd "ffmpeg" do
      if OS.mac?
        rm_rf "macosx"
        system "./mac-build.sh"
      else
        rm_rf "linux"
        system "./linux_x86-64.sh"
      end
    end