Add explicit force replacement workflow

internal/publish/execute.go

@@ -14,7 +14,7 @@ func Execute(ctx context.Context, req Request, plan Plan) error {
 	switch plan.Action {
 	case ActionSkipSame, ActionSkipDestinationNewer:
 		return nil
-	case ActionPublishNew, ActionReplaceOlder:
+	case ActionPublishNew, ActionReplaceOlder, ActionForceReplace:
 	default:
 		return fmt.Errorf("cannot execute action %s: %s", plan.Action, plan.Reason)
 	}
@@ -30,6 +30,14 @@ func Execute(ctx context.Context, req Request, plan Plan) error {
 			return err
 		}
 	}
+	if plan.Action == ActionForceReplace {
+		if err := req.DestinationBackend.DeletePrefix(ctx, req.DestinationBundlePath, storage.DeleteOptions{IgnoreMissing: true, PruneEmptyDirs: true}); err != nil {
+			return err
+		}
+		if err := ensureDestinationEmpty(ctx, req.DestinationBackend, req.DestinationBundlePath); err != nil {
+			return err
+		}
+	}
 
 	writtenOutputs := make([]Output, 0, len(plan.Outputs))
 	cleanup := func() {