class ContainerDiff < Formula
  desc "Diff your Docker containers"
  homepage "https://github.com/GoogleContainerTools/container-diff"
  url "https://github.com/GoogleContainerTools/container-diff/archive/v0.15.0.tar.gz"
  sha256 "4bdd73a81b6f7a988cf270236471016525d0541f5fe04286043f3db28e4b250c"

  bottle do
    cellar :any_skip_relocation
    sha256 "31af3976b5c63927f934d3155de81d6b6a241bae7244d103012d0d7cbfbeded7" => :mojave
    sha256 "6002efa7d3d475f95c9bec04896e338a99da5bd333f6fc0ccd20ca80eb6e9726" => :high_sierra
    sha256 "20eeaca03031026c546e493be1fc57560f9495f621526dae1c07fd4ac5f5d189" => :sierra
  end

  depends_on "go" => :build

  def install
    ENV["GOPATH"] = buildpath
    (buildpath/"src/github.com/GoogleContainerTools").mkpath
    ln_sf buildpath, buildpath/"src/github.com/GoogleContainerTools/container-diff"

    cd "src/github.com/GoogleContainerTools/container-diff" do
      system "make"
      bin.install "out/container-diff"
    end
  end

  test do
    image = "daemon://gcr.io/google-appengine/golang:2018-01-04_15_24"
    output = shell_output("#{bin}/container-diff analyze #{image} 2>&1", 1)
    assert_match "Cannot connect to the Docker daemon", output
  end
end