line.Token[1] = v
			}
		} else {
			if len(line.Token) >= 3 { // require example.com v1.2.3
				line.Token[2] = v
			}
		}
	}
}

// setIndirect sets line to have (or not have) a "// indirect" comment.
func (r *Require) setIndirect(indirect bool) {
	r.Indirect = indirect
	line := r.Syntax
	if isIndirect(line) == indirect {
		return
	}
	if indirect {
		// Adding comment.