Remove checking out main (#1117)

* Remove checking out main

* Account for both branches existing or not

Author: jonathanKingston

.github/scripts/diff-directories.js

@@ -69,7 +69,8 @@ function displayDiffs (dir1Files, dir2Files, isOpen) {
     }
     const outString = Object.keys(rollupGrouping).map(key => {
         const rollup = rollupGrouping[key]
-        let outString = ''
+        let outString = `
+        `
         let title = key
         if (rollup.files.length) {
             for (const file of rollup.files) {

.github/workflows/build.yml

@@ -22,8 +22,19 @@ jobs:
       - name: Fetch files and checkout
         run: |
           git fetch origin
-          git checkout -b main origin/main
-          git checkout -b releases origin/releases
+          # Check if the 'main' branch exists, if not, create it
+          if git rev-parse --verify main >/dev/null 2>&1; then
+            git checkout main
+          else
+            git checkout -b main origin/main
+          fi
+          # Check if the 'releases' branch exists, if not, create it
+          if git rev-parse --verify releases >/dev/null 2>&1; then
+            git checkout releases
+          else
+            git checkout -b releases origin/releases
+          fi
+          # Checkout the code of main onto releases
           git checkout main -- .
 
       - name: Build release