class Sqoop < Formula
  desc "Transfer bulk data between Hadoop and structured datastores"
  homepage "https://sqoop.apache.org/"
  url "https://www.apache.org/dyn/closer.cgi?path=sqoop/1.4.5/sqoop-1.4.5.bin__hadoop-2.0.4-alpha.tar.gz"
  version "1.4.5"
  sha256 "2f36ba52ae64f2f674780984aa4ed53d43565098f208a4fcbd800af664b1def9"

  depends_on "hadoop"
  depends_on "hbase"
  depends_on "hive"
  depends_on "zookeeper"

  def spoop_envs
    <<-EOS.undent
      export HADOOP_HOME="#{HOMEBREW_PREFIX}"
      export HBASE_HOME="#{HOMEBREW_PREFIX}"
      export HIVE_HOME="#{HOMEBREW_PREFIX}"
      export ZOOCFGDIR="#{etc}/zookeeper"
    EOS
  end

  def install
    libexec.install %w[bin conf lib]
    libexec.install Dir["*.jar"]
    bin.write_exec_script Dir["#{libexec}/bin/*"]

    # Install a sqoop-env.sh file
    envs = libexec/"conf/sqoop-env.sh"
    envs.write(spoop_envs) unless envs.exist?
  end

  def caveats; <<-EOS.undent
    Hadoop, Hive, HBase and ZooKeeper must be installed and configured
    for Sqoop to work.
    EOS
  end
end