class Entr < Formula
  desc "Run arbitrary commands when files change"
  homepage "http://entrproject.org/"
  url "http://entrproject.org/code/entr-3.3.tar.gz"
  mirror "https://bitbucket.org/eradman/entr/get/entr-3.3.tar.gz"
  sha256 "701cb7b0a72b6c9ba794ad7cc15b6ebcc2e0c978bb6906c8ae407567a044461f"

  head do
    url "https://bitbucket.org/eradman/entr", :using => :hg
    depends_on :hg => :build
  end

  bottle do
    cellar :any_skip_relocation
    sha256 "d57ec63310d25514226644b756fe21244b60fcece1343bd17a9f99c290c096cc" => :el_capitan
    sha256 "63939b37a28175656f51e6e99a5b37991eb6dd4cd2fe6464dc430dd038868ddc" => :yosemite
    sha256 "aebd4f88bb0d5162f18e6d851aedee11b77136cc528ea123288d79eec8e60ea8" => :mavericks
  end

  def install
    ENV["PREFIX"] = prefix
    ENV["MANPREFIX"] = man
    system "./configure"
    system "make"
    system "make", "install"
  end

  test do
    touch testpath/"test.1"
    fork do
      sleep 0.5
      touch testpath/"test.2"
    end
    assert_equal "New File", pipe_output("#{bin}/entr -p -d echo 'New File'", testpath).strip
  end
end