update workflow to only run when a submit is necessary

.gitea/workflows/mvs_job.yaml

@@ -3,9 +3,14 @@ name: MVS Upload & Execute
 on:
   push:
     branches: [ master ]
+    paths:
+      - 'src/**'  # Trigger only if src/ (C sources) changes
+      - 'jcl/**'  # Trigger only if jcl/ (JCL for batch jobs) changes
   pull_request:
     branches: [ master ]
-
+    paths:
+      - 'src/**'  # Same for pull requests
+      - 'jcl/**'
 jobs:
   upload-and-run:
     steps:
@@ -66,7 +71,7 @@ jobs:
           echo "=== Debug: File detection complete ==="
 
       - name: Upload to PDS and Submit JCL
-        if: steps.files.outputs.file != ''
+        if: ${{ steps.files.outputs.file != '' }}
         run: |
           echo "=== Debug: Starting upload/submit ==="
           echo "File: ${{ steps.files.outputs.file }}"

.gitignore

@@ -1,3 +1,4 @@
 .git/
 .idea/
+.DS_Store
 zapp.yaml