class Godep < Formula
  desc "Dependency tool for go"
  homepage "https://godoc.org/github.com/tools/godep"
  url "https://github.com/tools/godep/archive/v80.tar.gz"
  sha256 "029adc1a0ce5c63cd40b56660664e73456648e5c031ba6c214ba1e1e9fc86cf6"
  revision 4
  head "https://github.com/tools/godep.git"

  bottle do
    cellar :any_skip_relocation
    sha256 "818bc212a5311585397e3e960f7ecfc2404d2218f7e6e81af829072e2964921d" => :high_sierra
    sha256 "a08ef0e83ba0e50affc89853be89e44b4bab81c445edd78b535126991c1bddae" => :sierra
    sha256 "94b8145c5723da9042f56e0b9ed7172f94a5d72b50368617231f7e4c43a40e70" => :el_capitan
  end

  depends_on "go"

  def install
    ENV["GOPATH"] = buildpath
    (buildpath/"src/github.com/tools/godep").install buildpath.children
    cd buildpath/"src/github.com/tools/godep" do
      system "go", "build", "-o", bin/"godep"
      prefix.install_metafiles
    end
  end

  test do
    ENV["GOPATH"] = testpath.realpath
    (testpath/"Godeps/Godeps.json").write <<~EOS
      {
        "ImportPath": "github.com/tools/godep",
        "GoVersion": "go1.8",
        "Deps": [
          {
            "ImportPath": "golang.org/x/tools/cover",
            "Rev": "3fe2afc9e626f32e91aff6eddb78b14743446865"
          }
        ]
      }
    EOS
    system bin/"godep", "restore"
    assert_predicate testpath/"src/golang.org/x/tools/README", :exist?,
                     "Failed to find 'src/golang.org/x/tools/README!' file"
  end
end