class Doctl < Formula
  desc "Command-line tool for DigitalOcean"
  homepage "https://github.com/digitalocean/doctl"
  url "https://github.com/digitalocean/doctl/archive/v1.7.2.tar.gz"
  sha256 "fbc223496647b23805979363c49187aad0a7b8f6c73dd8d1c8352a014444634a"
  head "https://github.com/digitalocean/doctl.git"

  bottle do
    cellar :any_skip_relocation
    sha256 "358a1cc8103d2320157c0c4e784c04586a44fec275e9c7adb936d3210d72d027" => :high_sierra
    sha256 "0d69d7b1f3c45933b42d0d8bf4d4b9157f02ab73871cdeeec206bc402e4a5769" => :sierra
    sha256 "f70b4ec581943f215061a8a91d1405534f7b6f20a202773bfc6c120d3fb907e1" => :el_capitan
  end

  depends_on "go" => :build

  def install
    ENV["GOPATH"] = buildpath

    mkdir_p buildpath/"src/github.com/digitalocean/"
    ln_sf buildpath, buildpath/"src/github.com/digitalocean/doctl"

    doctl_version = version.to_s.split(/\./)
    base_flag = "-X github.com/digitalocean/doctl"
    ldflags = %W[
      #{base_flag}.Major=#{doctl_version[0]}
      #{base_flag}.Minor=#{doctl_version[1]}
      #{base_flag}.Patch=#{doctl_version[2]}
      #{base_flag}.Label=release
    ].join(" ")
    system "go", "build", "-ldflags", ldflags, "github.com/digitalocean/doctl/cmd/doctl"
    bin.install "doctl"

    (bash_completion/"doctl").write `#{bin}/doctl completion bash`
    (zsh_completion/"doctl").write `#{bin}/doctl completion zsh`
  end

  test do
    assert_match "doctl version #{version}-release", shell_output("#{bin}/doctl version")
  end
end