From 5efd99a6e0a229d40106811188f6afd58dd97399 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Wed, 6 Nov 2019 12:40:28 +0300
Subject: [PATCH] Ignore line-endings when checking generated files for
 freshness

closes #2184
---
 xtask/src/codegen.rs | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/xtask/src/codegen.rs b/xtask/src/codegen.rs
index 4ec8ab75af5..770b55a9ac8 100644
--- a/xtask/src/codegen.rs
+++ b/xtask/src/codegen.rs
@@ -46,7 +46,7 @@ pub enum Mode {
 /// With verify = false,
 fn update(path: &Path, contents: &str, mode: Mode) -> Result<()> {
     match fs::read_to_string(path) {
-        Ok(ref old_contents) if old_contents == contents => {
+        Ok(ref old_contents) if normalize(old_contents) == normalize(contents) => {
             return Ok(());
         }
         _ => (),
@@ -56,7 +56,11 @@ fn update(path: &Path, contents: &str, mode: Mode) -> Result<()> {
     }
     eprintln!("updating {}", path.display());
     fs::write(path, contents)?;
-    Ok(())
+    return Ok(());
+
+    fn normalize(s: &str) -> String {
+        s.replace("\r\n", "\n")
+    }
 }
 
 fn reformat(text: impl std::fmt::Display) -> Result<String> {