require "language/go"

class Terragrunt < Formula
  desc "Thin wrapper for Terraform e.g. for locking state."
  homepage "https://github.com/gruntwork-io/terragrunt"
  url "https://github.com/gruntwork-io/terragrunt/archive/v0.1.1.tar.gz"
  sha256 "608a3216e141bb8910c1b8813879f0c30f812e40184cbc4e2a81c22c9526788b"
  head "https://github.com/gruntwork-io/terragrunt.git"

  bottle do
    cellar :any_skip_relocation
    sha256 "c479f61b26f984a24a2bc0b31f38370b65950f90389b050bdcad18b8aea523be" => :sierra
    sha256 "097bee4f7259e0071f8515b7de66b0671054142b4b18f2e2ba6de671457aa729" => :el_capitan
    sha256 "9087b992a3f110ce756a2962657fd8c8fa9a805ee4ff8211f5bdbb0b3ab39ba3" => :yosemite
  end

  depends_on "go" => :build
  depends_on "terraform"

  go_resource "github.com/aws/aws-sdk-go" do
    url "https://github.com/aws/aws-sdk-go.git",
      :revision => "1b2abe886743dc2bcc78472bfd30a15dc0a61fb8"
  end

  go_resource "github.com/go-errors/errors" do
    url "https://github.com/go-errors/errors.git",
      :revision => "a41850380601eeb43f4350f7d17c6bbd8944aaf8"
  end

  go_resource "github.com/hashicorp/hcl" do
    url "https://github.com/hashicorp/hcl.git",
      :revision => "6f5bfed9a0a22222fbe4e731ae3481730ba41e93"
  end

  go_resource "github.com/stretchr/testify" do
    url "https://github.com/stretchr/testify.git",
      :revision => "976c720a22c8eb4eb6a0b4348ad85ad12491a506"
  end

  go_resource "github.com/urfave/cli" do
    url "https://github.com/urfave/cli.git",
      :revision => "55f715e28c46073d0e217e2ce8eb46b0b45e3db6"
  end

  def install
    mkdir_p buildpath/"src/github.com/gruntwork-io/"
    ln_s buildpath, buildpath/"src/github.com/gruntwork-io/terragrunt"
    ENV["GOPATH"] = buildpath
    Language::Go.stage_deps resources, buildpath/"src"
    system "go", "build", "-o", bin/"terragrunt", "-ldflags", "-X main.VERSION=" + version.to_s
  end

  test do
    assert_match version.to_s, shell_output("#{bin}/terragrunt --version")
  end
end