class Docker < Formula
  desc "Pack, ship and run any application as a lightweight container"
  homepage "https://www.docker.com/"
  url "https://github.com/docker/docker-ce.git",
      :tag      => "v19.03.2",
      :revision => "6a30dfca03664a0b6bf0646a7d389ee7d0318e6e"

  bottle do
    cellar :any_skip_relocation
    sha256 "dbdb1baac89c7d805a9e2b16f953e4061532d47ca799c92c56ab8ea875243223" => :mojave
    sha256 "ced62153aa5eb2286bf549714c1d1d566073d2be263cc57215fb8c612b50c3ad" => :high_sierra
    sha256 "2515073942282f7ce158e415925d68ca39dbded266ca21cff9333ad3ea83ed1b" => :sierra
  end

  depends_on "go" => :build

  def install
    ENV["GOPATH"] = buildpath
    dir = buildpath/"src/github.com/docker/cli"
    dir.install (buildpath/"components/cli").children
    cd dir do
      commit = Utils.popen_read("git rev-parse --short HEAD").chomp
      build_time = Utils.popen_read("date -u +'%Y-%m-%dT%H:%M:%SZ' 2> /dev/null").chomp
      ldflags = ["-X \"github.com/docker/cli/cli/version.BuildTime=#{build_time}\"",
                 "-X github.com/docker/cli/cli/version.GitCommit=#{commit}",
                 "-X github.com/docker/cli/cli/version.Version=#{version}",
                 "-X \"github.com/docker/cli/cli/version.PlatformName=Docker Engine - Community\""]
      system "go", "build", "-o", bin/"docker", "-ldflags", ldflags.join(" "),
             "github.com/docker/cli/cmd/docker"

      bash_completion.install "contrib/completion/bash/docker"
      fish_completion.install "contrib/completion/fish/docker.fish"
      zsh_completion.install "contrib/completion/zsh/_docker"
    end
  end

  test do
    assert_match "Docker version #{version}", shell_output("#{bin}/docker --version")
    assert_match "ERROR: Cannot connect to the Docker daemon", shell_output("#{bin}/docker info", 1)
  end
end