*r = Require{}
			}
		}
	}

	if need {
		f.AddNewRequire(path, vers, false)
	}
	return nil
}

// AddNewRequire adds a new require line for path at version vers at the end of
// the last require block, regardless of any existing require lines for path.
func (f *File) AddNewRequire(path, vers string, indirect bool) {
	line := f.Syntax.addLine(nil, "require", AutoQuote(path), vers)