class MinioMc < Formula
  desc "ls, cp, mkdir, diff and rsync for filesystems and object storage"
  homepage "https://github.com/minio/mc"
  url "https://github.com/minio/mc.git",
    :tag => "RELEASE.2018-01-18T21-18-56Z",
    :revision => "d9663e5d96d5f32725867167de2a0403704ae537"
  version "20180118211856"

  bottle do
    cellar :any_skip_relocation
    sha256 "139a46ea450c92a41b7f97300f50cc1cd65b7854e5ab7b597bab91e59703cee4" => :high_sierra
    sha256 "a216b0967cd445e3483d0200dedf7d32f573359ccf00d57d9866725e4915ed4d" => :sierra
    sha256 "b8a941b270a7f19592046e8e56fb83626d7d68471375dc5438ba0b08b1f08927" => :el_capitan
  end

  depends_on "go" => :build

  conflicts_with "midnight-commander", :because => "Both install a `mc` binary"

  def install
    ENV["GOPATH"] = buildpath

    clipath = buildpath/"src/github.com/minio/mc"
    clipath.install Dir["*"]

    cd clipath do
      if build.head?
        system "go", "build", "-o", buildpath/"mc"
      else
        minio_release = `git tag --points-at HEAD`.chomp
        minio_version = minio_release.gsub(/RELEASE\./, "").chomp.gsub(/T(\d+)\-(\d+)\-(\d+)Z/, 'T\1:\2:\3Z')
        minio_commit = `git rev-parse HEAD`.chomp
        proj = "github.com/minio/mc"

        system "go", "build", "-o", buildpath/"mc", "-ldflags", <<~EOS
          -X #{proj}/cmd.Version=#{minio_version}
          -X #{proj}/cmd.ReleaseTag=#{minio_release}
          -X #{proj}/cmd.CommitID=#{minio_commit}
        EOS
      end
    end

    bin.install buildpath/"mc"
    prefix.install_metafiles
  end

  test do
    system bin/"mc", "mb", testpath/"test"
    assert_predicate testpath/"test", :exist?
  end
end