only show diff if there are any diffs in layers

MerginMaps · Mar 14, 2024 · 1766de2 · 1766de2
1 parent 8a0b40e
commit 1766de2
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/Mergin/project_history_dock.py b/Mergin/project_history_dock.py
@@ -487,7 +487,10 @@ def show_diff_viewer(self, version, msg=""):
             return
 
         dlg = DiffViewerDialog(version)
-        dlg.exec_()
+        if dlg.diff_layers:
+            dlg.exec_()
+        else:
+            QMessageBox.information(None, "Mergin", "No changes to the current project layers for this version.")
 
     def download_version(self):
         """Download project files at the specific version"""