Do not use .clone()
@@ -176,7 +176,8 @@ fn run() -> Result<ExitCode> {
let path_separator = matches
.value_of("path-separator")
.map_or_else(filesystem::default_path_separator, |s| Some(s.to_owned()));
- if let Some(sep) = path_separator.clone() {
+
+ if let Some(ref sep) = path_separator {
if sep.len() > 1 {
return Err(anyhow!(
"A path separator must be exactly one byte, but \
