From 6a744ea4d515a70c5c90fef85cfa4c7ba8ae7f53 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Timoth=C3=A9e=20Gerber?= <contact@timotheegerber.fr>
Date: Thu, 26 Mar 2020 22:57:33 +0100
Subject: [PATCH] Create output dir in rustdoc markdown render

---
 src/librustdoc/markdown.rs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/librustdoc/markdown.rs b/src/librustdoc/markdown.rs
index a41fdd2ff17af..0a1b5f588158f 100644
--- a/src/librustdoc/markdown.rs
+++ b/src/librustdoc/markdown.rs
@@ -1,4 +1,4 @@
-use std::fs::File;
+use std::fs::{create_dir_all, File};
 use std::io::prelude::*;
 use std::path::PathBuf;
 
@@ -40,6 +40,11 @@ pub fn render(
     diag: &rustc_errors::Handler,
     edition: Edition,
 ) -> i32 {
+    if let Err(e) = create_dir_all(&options.output) {
+        diag.struct_err(&format!("{}: {}", options.output.display(), e)).emit();
+        return 4;
+    }
+
     let mut output = options.output;
     output.push(input.file_name().unwrap());
     output.set_extension("html");