From d26475505b4c2bfc6299d3c6c38b1963c3bd86e0 Mon Sep 17 00:00:00 2001
From: Guillaume Gomez <guillaume1.gomez@gmail.com>
Date: Sat, 9 Feb 2019 01:07:38 +0100
Subject: [PATCH] put back macro redirect

---
 src/librustdoc/html/render.rs        | 9 +++++++++
 src/test/rustdoc/without-redirect.rs | 2 +-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/librustdoc/html/render.rs b/src/librustdoc/html/render.rs
index ecc5bcff12dba..105bf611282f7 100644
--- a/src/librustdoc/html/render.rs
+++ b/src/librustdoc/html/render.rs
@@ -2245,6 +2245,15 @@ impl Context {
                         try_err!(layout::redirect(&mut redirect_out, file_name), &redir_dst);
                     }
                 }
+                // If the item is a macro, redirect from the old macro URL (with !)
+                // to the new one (without).
+                if item_type == ItemType::Macro {
+                    let redir_name = format!("{}.{}!.html", item_type, name);
+                    let redir_dst = self.dst.join(redir_name);
+                    let redirect_out = try_err!(File::create(&redir_dst), &redir_dst);
+                    let mut redirect_out = BufWriter::new(redirect_out);
+                    try_err!(layout::redirect(&mut redirect_out, file_name), &redir_dst);
+                }
             }
         }
         Ok(())
diff --git a/src/test/rustdoc/without-redirect.rs b/src/test/rustdoc/without-redirect.rs
index d473dd8f428d2..a076f8a3c5ec7 100644
--- a/src/test/rustdoc/without-redirect.rs
+++ b/src/test/rustdoc/without-redirect.rs
@@ -1,7 +1,7 @@
 #![crate_name = "foo"]
 
 // @has foo/macro.bar.html
-// @!has foo/macro.bar!.html
+// @has foo/macro.bar!.html
 // @!has foo/bar.m.html
 #[macro_export]
 macro_rules! bar {