def find_package_by_tag(tag)
      if tag.has_ref?
        find_package(tag.repo, tag.ref)
      else
        find_package(tag.repo)
      end
    end
def find_package_by_tag(tag)
      if tag.has_ref?
        find_package(tag.repo, tag.ref)
      else
        find_package(tag.repo)
      end
    end
Find repository by tag

 @param tag [::SocialSnippet::Tag] The tag of repository