class Htop < Formula
  desc "Improved top (interactive process viewer)"
  homepage "https://hisham.hm/htop/"
  url "https://hisham.hm/htop/releases/2.2.0/htop-2.2.0.tar.gz"
  sha256 "d9d6826f10ce3887950d709b53ee1d8c1849a70fa38e91d5896ad8cbc6ba3c57"
  revision 1

  bottle do
    cellar :any
    sha256 "77aa302765353b4085dcad52356d3264183e06310dda8d5bac64642299ea2902" => :mojave
    sha256 "0ebfb655b91566ba31f8effc94d642a43305ff95bdc9b30b46fadc132e2ced0c" => :high_sierra
    sha256 "ed93b86f011de155c5d261b8c9cc9cb81fd0017667bf3ebe26ee090716bcd650" => :sierra
  end

  head do
    url "https://github.com/hishamhm/htop.git"

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

  depends_on "pkg-config" => :build
  depends_on "ncurses" # enables mouse scroll

  def install
    system "./autogen.sh" if build.head?
    system "./configure", "--prefix=#{prefix}"
    system "make", "install"
  end

  def caveats; <<~EOS
    htop 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
    pipe_output("#{bin}/htop", "q", 0)
  end
end