class Consul < Formula
  desc "Tool for service discovery, monitoring and configuration"
  homepage "https://www.consul.io"
  url "https://github.com/hashicorp/consul.git",
      :tag => "v0.9.3",
      :revision => "112c0603d3d6fb23ab5f15e8fdb1a761da8eaf9a"

  head "https://github.com/hashicorp/consul.git",
       :shallow => false

  bottle do
    cellar :any_skip_relocation
    sha256 "116c2a66ce62414ce9829c1e8ec93db61c8eb071dfb5832470f542b727a72b77" => :sierra
    sha256 "8598f078a558ecc6d2f23804280b8f8d692b40f340a387730497e2e5fc6877b0" => :el_capitan
    sha256 "8a3aa00a1e75e2524af83d1d2ff2cc71c5fc7e2ce0f0785ce1065acf85d4080b" => :yosemite
  end

  depends_on "go" => :build

  def install
    contents = Dir["{*,.git,.gitignore}"]
    gopath = buildpath/"gopath"
    (gopath/"src/github.com/hashicorp/consul").install contents

    ENV["GOPATH"] = gopath
    ENV.prepend_create_path "PATH", gopath/"bin"

    cd gopath/"src/github.com/hashicorp/consul" do
      system "make"
      bin.install "bin/consul"
      zsh_completion.install "contrib/zsh-completion/_consul"
    end
  end

  plist_options :manual => "consul agent -dev -advertise 127.0.0.1"

  def plist; <<-EOS.undent
    <?xml version="1.0" encoding="UTF-8"?>
    <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
    <plist version="1.0">
      <dict>
        <key>KeepAlive</key>
        <dict>
          <key>SuccessfulExit</key>
          <false/>
        </dict>
        <key>Label</key>
        <string>#{plist_name}</string>
        <key>ProgramArguments</key>
        <array>
          <string>#{opt_bin}/consul</string>
          <string>agent</string>
          <string>-dev</string>
          <string>-advertise</string>
          <string>127.0.0.1</string>
        </array>
        <key>RunAtLoad</key>
        <true/>
        <key>WorkingDirectory</key>
        <string>#{var}</string>
        <key>StandardErrorPath</key>
        <string>#{var}/log/consul.log</string>
        <key>StandardOutPath</key>
        <string>#{var}/log/consul.log</string>
      </dict>
    </plist>
    EOS
  end

  test do
    fork do
      exec "#{bin}/consul", "agent", "-data-dir", "."
    end
    sleep 3
    system "#{bin}/consul", "leave"
  end
end