cp: better error message for target-directory
@@ -319,7 +319,7 @@ pub fn uu_app<'a>() -> App<'a> {
if Path::new(s).is_dir() {
return Ok(());
}
- Err("must specify a directory")
+ Err(format!("'{}' is not a directory", s))
})
.help("copy all SOURCE arguments into target-directory"))
.arg(Arg::new(options::NO_TARGET_DIRECTORY)
