Rollup merge of #78059 - JohnTitor:fix-linkcheck, r=ehuss

Set `MDBOOK_OUTPUT__HTML__INPUT_404` on linkchecker This is found in rust-lang/nomicon#240. It seems the spurious failure shows up without this flag.
rust-lang · Oct 17, 2020 · ffed6af · ffed6af
2 parents ed79320 + 28f350e
commit ffed6af
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/tools/linkchecker/linkcheck.sh b/src/tools/linkchecker/linkcheck.sh
@@ -34,6 +34,9 @@ then
     exit 1
 fi
 
+# Avoid failure caused by newer mdbook.
+export MDBOOK_OUTPUT__HTML__INPUT_404=""
+
 book_name=""
 # Iterative will avoid cleaning up, so you can quickly run it repeatedly.
 iterative=0