tiger-vnc Homebrew Formula with ffmpeg for PiKVM H.264 encoding

tiger-vnc.rb

class TigerVnc < Formula
  desc "High-performance, platform-neutral implementation of VNC"
  homepage "https://tigervnc.org/"
  url "https://github.com/TigerVNC/tigervnc/archive/refs/tags/v1.13.1.tar.gz"
  sha256 "b7c5b8ed9e4e2c2f48c7b2c9f21927db345e542243b4be88e066b2daa3d1ae25"
  license "GPL-2.0-or-later"

  # Tags with a 90+ patch are unstable (e.g., the 1.9.90 tag is used for the
  # 1.10.0 beta release) and this regex should only match the stable versions.
  livecheck do
    url :stable
    regex(/^v?(\d+\.\d+\.(?:\d|[1-8]\d+)(?:\.\d+)*)$/i)
  end

  depends_on "cmake" => :build
  depends_on "pkg-config" => :build
  depends_on "ffmpeg"
  depends_on "fltk"
  depends_on "gettext"
  depends_on "gnutls"
  depends_on "jpeg-turbo"
  depends_on "pixman"

  on_linux do
    depends_on "libx11"
    depends_on "libxcursor"
    depends_on "libxdamage"
    depends_on "libxext"
    depends_on "libxfixes"
    depends_on "libxft"
    depends_on "libxi"
    depends_on "libxinerama"
    depends_on "libxrandr"
    depends_on "libxrender"
    depends_on "libxtst"
    depends_on "linux-pam"
  end

  def install
    system "cmake", "-S", ".", "-B", "_build", *std_cmake_args
    system "cmake", "--build", "_build"
    system "cmake", "--install", "_build"
  end

  test do
    output = shell_output("#{bin}/vncviewer -h 2>&1", 1)
    assert_match "TigerVNC Viewer v#{version}", output
  end
end