fix: change duplicate file references check from error to warning

Cross-section duplicates (e.g. same folder in <files> and <media>) are
valid in Joomla manifests — should not block CI.

Authored-by: Moko Consulting

.mokogitea/workflows/ci-joomla.yml

@@ -895,9 +895,10 @@ jobs:
           fi
 
       - name: Duplicate file references check
+        continue-on-error: true
         run: |
           echo "### Duplicate File References" >> $GITHUB_STEP_SUMMARY
-          ERRORS=0
+          WARNINGS=0
 
           MANIFEST=""
           for XML_FILE in $(find . -maxdepth 2 -name "*.xml" -not -path "./.git/*" -not -path "./vendor/*"); do
@@ -919,9 +920,9 @@ jobs:
               if [ -n "$DUPES" ]; then
                 while IFS= read -r DUP; do
                   COUNT=$(echo "$ALL_REFS" | grep -cx "$DUP")
-                  echo "::error file=${MANIFEST}::Duplicate reference: \`${DUP}\` appears ${COUNT} times"
-                  echo "- **Duplicate:** \`${DUP}\` (${COUNT}x)" >> $GITHUB_STEP_SUMMARY
-                  ERRORS=$((ERRORS + 1))
+                  echo "::warning file=${MANIFEST}::Duplicate reference: \`${DUP}\` appears ${COUNT} times (may be valid if in different sections)"
+                  echo "- **Duplicate:** \`${DUP}\` (${COUNT}x) — check if cross-section" >> $GITHUB_STEP_SUMMARY
+                  WARNINGS=$((WARNINGS + 1))
                 done <<< "$DUPES"
               else
                 TOTAL=$(echo "$ALL_REFS" | wc -l)
@@ -931,9 +932,8 @@ jobs:
           fi
 
           echo "" >> $GITHUB_STEP_SUMMARY
-          if [ "${ERRORS}" -gt 0 ]; then
-            echo "**${ERRORS} duplicate reference(s) found.**" >> $GITHUB_STEP_SUMMARY
-            exit 1
+          if [ "$WARNINGS" -gt 0 ]; then
+            echo "**${WARNINGS} duplicate reference(s) found.** Review for cross-section validity." >> $GITHUB_STEP_SUMMARY
           else
             echo "**Duplicate file references check passed.**" >> $GITHUB_STEP_SUMMARY
           fi