Fix script

.github/workflows/build-tgui.yml

@@ -61,9 +61,9 @@ jobs:
             -H "Accept: application/vnd.github+json" \
             -H "X-GitHub-Api-Version: 2022-11-28" \
             "https://api.github.com/repos/$REPOSITORY/compare/master...${{ inputs.branch }}")
-          behind_by=$(compare_result | jq '.behind_by')
-          ahead_by=$(compare_result | jq '.ahead_by')
-          if [ $behind_by -le 0 ] ; then
+          behind_by=$($compare_result | jq '.behind_by')
+          ahead_by=$($compare_result | jq '.ahead_by')
+          if [ "$behind_by" -le 0 ] ; then
             echo '- Skipping master merge. No changes to merge.' | tee -a "$GITHUB_STEP_SUMMARY"
             exit 0
           else
@@ -73,7 +73,7 @@ jobs:
           git fetch origin master --depth=$((behind_by + 1)) && { git merge FETCH_HEAD || true ; }
           exit_code=0
           merge_conflicts=$(git diff --name-only --diff-filter=U --exit-code) || exit_code=$?
-          if [ $exit_code -eq 0 ] ; then
+          if [ "$exit_code" -eq 0 ] ; then
             exit 0
           elif echo $merge_conflicts | grep -v ^tgui/public/ ; then
             echo '- Automatic merge failed. Non-tgui bundle files have conflicts.' | tee -a "$GITHUB_STEP_SUMMARY"