Fix rustdoc --test-builder argument parsing

2021-01-11 20:35:58 +01:00 · 2021-01-11 20:35:58 +01:00 · b18a426fb4
commit b18a426fb4
parent fc9944fe84
1 changed files with 3 additions and 2 deletions
--- a/src/librustdoc/lib.rs
+++ b/src/librustdoc/lib.rs
@ -412,10 +412,11 @@ fn opts() -> Vec<RustcOptGroup> {
            )
        }),
        unstable("test-builder", |o| {
-            o.optflag(
+            o.optopt(
                "",
                "test-builder",
-                "specified the rustc-like binary to use as the test builder",
+                "specifies the rustc-like binary to use as the test builder",
+                "PATH",
            )
        }),
        unstable("check", |o| o.optflag("", "check", "Run rustdoc checks")),