Fix rustdoc --test-builder argument parsing

teryror · teryror · commit b18a426fb4f2 · 2021-01-12T17:30:57.000+01:00
diff --git 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")),

Original file line number	Diff line number	Diff line change
`@@ -412,10 +412,11 @@ fn opts() -> Vec<RustcOptGroup> {`
`412`	`412`	`)`
`413`	`413`	`}),`
`414`	`414`	`unstable("test-builder", \|o\| {`
`415`		`- o.optflag(`
	`415`	`+ o.optopt(`
`416`	`416`	`"",`
`417`	`417`	`"test-builder",`
`418`		`- "specified the rustc-like binary to use as the test builder",`
	`418`	`+ "specifies the rustc-like binary to use as the test builder",`
	`419`	`+ "PATH",`
`419`	`420`	`)`
`420`	`421`	`}),`
`421`	`422`	`unstable("check", \|o\| o.optflag("", "check", "Run rustdoc checks")),`