class Redis < Formula
  desc "Persistent key-value database, with built-in net interface"
  homepage "https://redis.io/"
  url "http://download.redis.io/releases/redis-3.2.9.tar.gz"
  sha256 "6eaacfa983b287e440d0839ead20c2231749d5d6b78bbe0e0ffa3a890c59ff26"
  head "https://github.com/antirez/redis.git", :branch => "unstable"

  bottle do
    cellar :any_skip_relocation
    sha256 "cc1fe39dedd78b18fa6342cb9626183f2b2ae7138b11c247d17901506678244d" => :sierra
    sha256 "da746dba8fe2adaf47d764680c6232270fd08a6697ab1c2cc320bfd67e7dc08f" => :el_capitan
    sha256 "18f7b5ccb4afdb99f8554f8b013cc2d7fca4ae29fa0807fa591cf6dd6017dca0" => :yosemite
  end

  devel do
    url "https://github.com/antirez/redis/archive/4.0-rc3.tar.gz"
    sha256 "bc948bcb32dc4ba43412dd791b4bb48c64de9debb797346b9c9f1b2cb98f96f4"
    version "4.0RC3"
  end

  option "with-jemalloc", "Select jemalloc as memory allocator when building Redis"

  def install
    # Architecture isn't detected correctly on 32bit Snow Leopard without help
    ENV["OBJARCH"] = "-arch #{MacOS.preferred_arch}"

    args = %W[
      PREFIX=#{prefix}
      CC=#{ENV.cc}
    ]
    args << "MALLOC=jemalloc" if build.with? "jemalloc"
    system "make", "install", *args

    %w[run db/redis log].each { |p| (var/p).mkpath }

    # Fix up default conf file to match our paths
    inreplace "redis.conf" do |s|
      s.gsub! "/var/run/redis.pid", var/"run/redis.pid"
      s.gsub! "dir ./", "dir #{var}/db/redis/"
      s.gsub! "\# bind 127.0.0.1", "bind 127.0.0.1"
    end

    etc.install "redis.conf"
    etc.install "sentinel.conf" => "redis-sentinel.conf"
  end

  plist_options :manual => "redis-server #{HOMEBREW_PREFIX}/etc/redis.conf"

  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}/redis-server</string>
          <string>#{etc}/redis.conf</string>
          <string>--daemonize no</string>
        </array>
        <key>RunAtLoad</key>
        <true/>
        <key>WorkingDirectory</key>
        <string>#{var}</string>
        <key>StandardErrorPath</key>
        <string>#{var}/log/redis.log</string>
        <key>StandardOutPath</key>
        <string>#{var}/log/redis.log</string>
      </dict>
    </plist>
    EOS
  end

  test do
    system bin/"redis-server", "--test-memory", "2"
    %w[run db/redis log].each { |p| assert (var/p).exist?, "#{var/p} doesn't exist!" }
  end
end