htop-osx.rb

class HtopOsx < Formula
  desc "Improved top (interactive process viewer) for OS X"
  homepage "http://hisham.hm/htop/"
  url "http://hisham.hm/htop/releases/2.0.0/htop-2.0.0.tar.gz"
  sha256 "d15ca2a0abd6d91d6d17fd685043929cfe7aa91199a9f4b3ebbb370a2c2424b5"

  depends_on "autoconf" => :build
  depends_on "automake" => :build
  depends_on "libtool" => :build

  def install
    # Otherwise htop will segfault when resizing the terminal
    ENV.no_optimization if ENV.compiler == :clang

    system "./configure", "--prefix=#{prefix}"
    system "make"
    system "make", "install", "DEFAULT_INCLUDES='-iquote .'"
  end

  def caveats; <<-EOS.undent
    htop-osx requires root privileges to correctly display all running processes.
    so you will need to run `sudo htop`.
    You should be certain that you trust any software you grant root privileges.
    EOS
  end

  test do
    ENV["TERM"] = "xterm"
    pipe_output("#{bin}/htop", "q")
    assert $?.success?
  end
end