From e675f9561cf5e7a51c80bab548c738ca77b0d8bc Mon Sep 17 00:00:00 2001
From: Simon Knox <psimyn@gmail.com>
Date: Sat, 27 Jul 2019 08:12:59 +1000
Subject: Readd missing line_code to parallel lines

---
 app/assets/javascripts/diffs/store/utils.js | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/app/assets/javascripts/diffs/store/utils.js b/app/assets/javascripts/diffs/store/utils.js
index c7d77ba54ea..000537c86a7 100644
--- a/app/assets/javascripts/diffs/store/utils.js
+++ b/app/assets/javascripts/diffs/store/utils.js
@@ -197,12 +197,22 @@ export function trimFirstCharOfLineContent(line = {}) {
   return parsedLine;
 }
 
+function getLineCode({ left, right }, index) {
+  if (left && left.line_code) {
+    return left.line_code;
+  } else if (right && right.line_code) {
+    return right.line_code;
+  }
+  return index;
+}
+
 export function parallelizeDiffLines(highlightedDiffLines = []) {
   let i = 0;
   const lines = [];
   let freeRightIndex = null;
 
-  highlightedDiffLines.forEach(line => {
+  highlightedDiffLines.forEach((line, index) => {
+    line.line_code = getLineCode(line, index);
     if (line.removed) {
       lines.push({
         left: line,
-- 
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