no-dup-mode should not fail for new packages

internal/process.go

@@ -87,9 +87,8 @@ func ProcessRPM(pd *ProcessData) {
 			Auth: pd.Authenticator,
 		})
 		if err != nil {
-			log.Fatalf("could not list remote: %v", err)
-		}
-
+            log.Println("ignoring no-dup-mode")
+		} else {
 			for _, ref := range list {
 				if !strings.HasPrefix(string(ref.Name()), "refs/tags/imports") {
 					continue
@@ -97,6 +96,7 @@ func ProcessRPM(pd *ProcessData) {
 				tagIgnoreList = append(tagIgnoreList, string(ref.Name()))
 			}
 		}
+	}
 
 	sourceRepo := *md.repo
 	sourceWorktree := *md.worktree