From 98c90522a61f434e6e72a292ab639c47db3c2464 Mon Sep 17 00:00:00 2001
From: Eric Huss <eric@huss.org>
Date: Thu, 3 Jun 2021 13:21:04 -0700
Subject: [PATCH] Fix linkcheck script from getting out of sync.

---
 src/tools/linkchecker/linkcheck.sh | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/tools/linkchecker/linkcheck.sh b/src/tools/linkchecker/linkcheck.sh
index b68053c76befc..7f226aab7d72d 100755
--- a/src/tools/linkchecker/linkcheck.sh
+++ b/src/tools/linkchecker/linkcheck.sh
@@ -85,11 +85,11 @@ fi
 if [ ! -e "linkchecker/main.rs" ] || [ "$iterative" = "0" ]
 then
     echo "Downloading linkchecker source..."
+    nightly_hash=$(rustc +nightly -Vv | grep commit-hash | cut -f2 -d" ")
+    url="https://raw.githubusercontent.com/rust-lang/rust"
     mkdir linkchecker
-    curl -o linkchecker/Cargo.toml \
-        https://raw.githubusercontent.com/rust-lang/rust/master/src/tools/linkchecker/Cargo.toml
-    curl -o linkchecker/main.rs \
-        https://raw.githubusercontent.com/rust-lang/rust/master/src/tools/linkchecker/main.rs
+    curl -o linkchecker/Cargo.toml ${url}/${nightly_hash}/src/tools/linkchecker/Cargo.toml
+    curl -o linkchecker/main.rs ${url}/${nightly_hash}/src/tools/linkchecker/main.rs
 fi
 
 echo "Building book \"$book_name\"..."