def unyank( spec )
      if remote_gem_file_exist?( spec ) && search_for( spec ).empty? then
        query = { :spec_name => spec.name, :version => spec.version.to_s, :platform => spec.platform.to_s }
        resource_request( unyank_resource, :query => query  )
        return true
      else
        return nil
      end
    rescue Excon::Errors::Error => e
      raise Stickler::Repository::Error, "Failure unyanking: #{e.inspect}"
    end
def unyank( spec )
      if remote_gem_file_exist?( spec ) && search_for( spec ).empty? then
        query = { :spec_name => spec.name, :version => spec.version.to_s, :platform => spec.platform.to_s }
        resource_request( unyank_resource, :query => query  )
        return true
      else
        return nil
      end
    rescue Excon::Errors::Error => e
      raise Stickler::Repository::Error, "Failure unyanking: #{e.inspect}"
    end
See Api#unyank