Fix --shell option
@@ -123,6 +123,7 @@ where
} else {
"Use a different shell, or `none`. E.g. --shell=bash"
})
+ .takes_value(true)
.long("shell"))
// -n short form will not be removed, and instead become a shorthand for --shell=none
.arg(Arg::with_name("no-shell")
