class Envv < Formula
  desc "Shell-independent handling of environment variables"
  homepage "https://github.com/jakewendt/envv#readme"
  url "https://github.com/jakewendt/envv/archive/v1.7.tar.gz"
  sha256 "1db05b46904e0cc4d777edf3ea14665f6157ade0567359e28663b5b00f6fa59a"

  bottle do
    cellar :any_skip_relocation
    sha256 "3b2fb0b35749280461b3982797ceea34bfa42d63cb5c6547986cf106669ee744" => :el_capitan
    sha256 "90a718606ec61e5a0e494d3e41b7d87048de803567f4ba2c65231fe41880bd97" => :yosemite
    sha256 "9ac7617d6475a67c60604fcd72d0ae1a5515df331944e8fb2c2a9223c16e3504" => :mavericks
    sha256 "333dd38f6cc080740ca155abcb6e9aa40be46d83ccdced16435cb9c5faf8b518" => :mountain_lion
  end

  def install
    system "make"

    bin.install "envv"
    man1.install "envv.1"
  end

  test do
    ENV["mylist"] = "A:B:C"
    assert_equal "mylist=A:C; export mylist", shell_output("#{bin}/envv del mylist B").strip
    assert_equal "mylist=B:C; export mylist", shell_output("#{bin}/envv del mylist A").strip
    assert_equal "mylist=A:B; export mylist", shell_output("#{bin}/envv del mylist C").strip

    assert_equal "", shell_output("#{bin}/envv add mylist B").strip
    assert_equal "mylist=B:A:C; export mylist", shell_output("#{bin}/envv add mylist B 1").strip
    assert_equal "mylist=A:C:B; export mylist", shell_output("#{bin}/envv add mylist B 99").strip

    assert_equal "mylist=A:B:C:D; export mylist", shell_output("#{bin}/envv add mylist D").strip
    assert_equal "mylist=D:A:B:C; export mylist", shell_output("#{bin}/envv add mylist D 1").strip
    assert_equal "mylist=A:B:D:C; export mylist", shell_output("#{bin}/envv add mylist D 3").strip
  end
end