From 7610199f5201a059ee0e8aea2e8a5371dfa8d858 Mon Sep 17 00:00:00 2001
From: Dattas Moonchaser <dattasmoon@gmail.com>
Date: Tue, 13 Sep 2016 10:46:14 -0600
Subject: [PATCH] Make updating regexps.js more atomic to prevent server
 crashes

---
 lib/update.js | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/lib/update.js b/lib/update.js
index e18ca9d..6271b48 100644
--- a/lib/update.js
+++ b/lib/update.js
@@ -38,10 +38,16 @@ exports.update = function update(callback) {
           callback(err, results);
 
           if (source && !err) {
-            fs.writeFile(exports.output, source, function idk(err) {
+            fs.writeFile(exports.output+".tmp", source, function idk(err) {
               if (err) {
-                console.error('Failed to save the generated file due to reasons', err);
+                console.error('Failed to save the temporary generated file due to reasons', err);
+                return;
               }
+              fs.rename(exports.output+".tmp", exports.output, function renameFailure(err){
+                if (err){
+                  console.error('Failed to rename the temporary file due to reasons', err);
+                }
+              });
             });
           }
         });