class DockerCredentialHelperEcr < Formula
  desc "Docker Credential Helper for Amazon ECR"
  homepage "https://github.com/awslabs/amazon-ecr-credential-helper"
  url "https://github.com/awslabs/amazon-ecr-credential-helper.git",
      :tag      => "v0.4.0",
      :revision => "1a5791b236421b509fbc30502211b1de51ca8e30"

  bottle do
    cellar :any_skip_relocation
    sha256 "d5e603dc272c983cfd10995ac0b39418308e26c791a28d1a56fc13282d5425bb" => :catalina
    sha256 "2bcb4437b3096c71bc248e4bcbe4aa20d4cd801a63eb139c2250cd73f5c9f5cb" => :mojave
    sha256 "5db19be899dc7a06ab6e180bbf2972d6f8b4e44a092e6f7b2be35297f03044f5" => :high_sierra
  end

  depends_on "go" => :build

  def install
    ENV["GOPATH"] = buildpath
    dir = buildpath/"src/github.com/awslabs/amazon-ecr-credential-helper"
    dir.install buildpath.children - [buildpath/".brew_home"]

    cd dir do
      system "make", "build"
      bin.install "bin/local/docker-credential-ecr-login"
      prefix.install_metafiles
    end
  end

  test do
    output = shell_output("#{bin}/docker-credential-ecr-login", 1)
    assert_match %r{^Usage: .*/docker-credential-ecr-login.*}, output
  end
end