class Tflint < Formula
  desc "Linter for Terraform files"
  homepage "https://github.com/wata727/tflint"
  url "https://github.com/wata727/tflint/archive/v0.9.1.tar.gz"
  sha256 "a4f9f845584c51b3d0db3d2ee9ab48435db52ade3ddde1a8689e2ad8cf9acdca"
  head "https://github.com/wata727/tflint.git"

  depends_on "go" => :build

  def install
    ENV["GOPATH"] = buildpath
    ENV["GO111MODULE"] = "on"

    dir = buildpath/"src/github.com/wata727/tflint"
    dir.install buildpath.children

    cd dir do
      system "go", "build", "-o", bin/"tflint"
      prefix.install_metafiles
    end
  end

  test do
    (testpath/"test.tf").write <<~EOS
      provider "aws" {
        region = "${var.aws_region}"
      }
    EOS
    assert_match "Awesome! Your code is following the best practices :)", shell_output("#{bin}/tflint test.tf")
  end
end