From 40a4840867d10e147881f107bc19427d02b04faf Mon Sep 17 00:00:00 2001
From: Behnam Esfahbod <behnam@zwnj.org>
Date: Wed, 30 Aug 2017 16:01:43 -0700
Subject: [PATCH] [book] Prevent over-matching in gitignore rule

To only ignore the output destination (default: `book`) and no other
file/directory with the same name under the mdbook root, we should
prefix the gitignore rule with a leading slash (default: `/book`).
---
 src/book/mod.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/book/mod.rs b/src/book/mod.rs
index 437b13d1..e8896e0a 100644
--- a/src/book/mod.rs
+++ b/src/book/mod.rs
@@ -223,7 +223,7 @@ impl MDBook {
 
             debug!("[*]: Writing to .gitignore");
 
-            writeln!(f, "{}", relative).expect("Could not write to file.");
+            writeln!(f, "/{}", relative).expect("Could not write to file.");
         }
     }