[FIXUP]

Author: HannesWell

.github/workflows/checkAcknowledgements.yml

@@ -18,7 +18,7 @@ jobs:
     - name: Determine changed files
       id: changed-files
       run: |
-        changedFiles=$(git diff --name-only --diff-filter=ACMR 578d85aee15ab90de1b41d6f8a47cde39f9da2ea HEAD | grep acknowledgements.md$)
+        changedFiles=$(git diff --name-only --diff-filter=ACMR 578d85aee15ab90de1b41d6f8a47cde39f9da2ea HEAD | grep acknowledgements.md$ | xargs)
         echo "Changed files: ${changedFiles}"
         echo "files=${changedFiles}" >> "$GITHUB_OUTPUT"
     - name: Check modified acknowledgements files
@@ -27,7 +27,7 @@ jobs:
       with:
         script: |
           const fs = require('fs')
-          const files = '${{ steps.changed-files.outputs.files }}'.trim().split(/\r?\n/)
+          const files = '${{ steps.changed-files.outputs.files }}'.trim().split(/\s+/)
           const nameIdRegex = /\[(?<name>[^\]]+)\]\(https:\/\/github\.com\/(?<id>[^\)/]+)\)/g
           const contributorNames = new Map()
           for (file of files) {
@@ -46,7 +46,7 @@ jobs:
             }
           }
           if (hasMultipleNames) {
-            // throw new Error('Multiple names detected. See log for details.')
+            core.setFailed('Multiple names for same contributor detected. See log for details.');
           }
           
           function computeIfAbsent(map, key, valueSupplier) {