class Minio < Formula
  desc "object storage server compatible with Amazon S3"
  homepage "https://github.com/minio/minio"
  url "https://github.com/minio/minio.git",
    :tag => "RELEASE.2016-08-21T02-44-47Z",
    :revision => "975eb319730c8db093b4744bf9e012356d61eef2"
  version "20160821024447"

  bottle do
    cellar :any_skip_relocation
    sha256 "cacc25741e6358a9c0c2bcf366d920397bc19f0496f73af79204a3aa8d1cec36" => :el_capitan
    sha256 "1a3ce21135037e729005d3954cd9e77bba933e321779d67ba5ea1b3e87d6b71a" => :yosemite
    sha256 "b9e6290b23324fef659a1c04740e845bba66f8f8da7af1b9617602238e16e4ef" => :mavericks
  end

  depends_on "go" => :build

  def install
    ENV["GOPATH"] = buildpath

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

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

        system "go", "build", "-o", buildpath/"minio", "-ldflags", <<-EOS.undent
            -X #{proj}/cmd.Version=#{version}
            -X #{proj}/cmd.ReleaseTag=#{release}
            -X #{proj}/cmd.CommitID=#{commit}
            EOS
      end
    end

    bin.install buildpath/"minio"
  end

  test do
    system "#{bin}/minio", "version"
  end
end