From 6d3a623cc829a9b37a0df00e8087cc245f7e188c Mon Sep 17 00:00:00 2001
From: Mike Robinson <mikeprobinsonuk@gmail.com>
Date: Mon, 21 Jul 2014 23:37:04 +0100
Subject: [PATCH] Fix rustdoc --passes list

Allow "rustdoc --passes list" to work without specifying input files,
as shown in the examples section of the man page.
---
 src/librustdoc/lib.rs | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/src/librustdoc/lib.rs b/src/librustdoc/lib.rs
index a7c9ac1011829..76b3a012dbfb0 100644
--- a/src/librustdoc/lib.rs
+++ b/src/librustdoc/lib.rs
@@ -162,6 +162,18 @@ pub fn main_args(args: &[String]) -> int {
         }
     }
 
+    if matches.opt_strs("passes").as_slice() == &["list".to_string()] {
+        println!("Available passes for running rustdoc:");
+        for &(name, _, description) in PASSES.iter() {
+            println!("{:>20s} - {}", name, description);
+        }
+        println!("{}", "\nDefault passes for rustdoc:"); // FIXME: #9970
+        for &name in DEFAULT_PASSES.iter() {
+            println!("{:>20s}", name);
+        }
+        return 0;
+    }
+
     if matches.free.len() == 0 {
         println!("expected an input file to act on");
         return 1;
@@ -212,18 +224,6 @@ pub fn main_args(args: &[String]) -> int {
         (false, false) => {}
     }
 
-    if matches.opt_strs("passes").as_slice() == &["list".to_string()] {
-        println!("Available passes for running rustdoc:");
-        for &(name, _, description) in PASSES.iter() {
-            println!("{:>20s} - {}", name, description);
-        }
-        println!("{}", "\nDefault passes for rustdoc:"); // FIXME: #9970
-        for &name in DEFAULT_PASSES.iter() {
-            println!("{:>20s}", name);
-        }
-        return 0;
-    }
-
     let (krate, res) = match acquire_input(input, externs, &matches) {
         Ok(pair) => pair,
         Err(s) => {