node: set default data dir

cmd/renterd/config.go

@@ -182,9 +182,6 @@ func sanitizeConfig() error {
 		cfg.Log.Database.Level = cfg.Log.Level
 	}
 
-	// default data directory
-	cfg.Directory = defaultDataDirectory(cfg.Directory)
-
 	// validate worker settings
 	if err := assertWorkerID(); err != nil {
 		return err
@@ -458,7 +455,7 @@ func setListenAddress(context string, value *string, allowEmpty bool) {
 
 func setDataDirectory() {
 	if cfg.Directory == "" {
-		cfg.Directory = defaultDataDirectory(cfg.Directory)
+		cfg.Directory = "."
 	}
 
 	dir, err := filepath.Abs(cfg.Directory)
@@ -468,10 +465,8 @@ func setDataDirectory() {
 	fmt.Println("This directory should be on a fast, reliable storage device, preferably an SSD.")
 	fmt.Println("")
 
-	entries, err := os.ReadDir(dir)
-	checkFatalError("failed to read directory contents", err)
-
-	if len(entries) > 0 {
+	_, existsErr := os.Stat(filepath.Join(dir, "consensus"))
+	if existsErr == nil {
 		fmt.Println(wrapANSI("\033[33m", "There is existing data in the data directory.", "\033[0m"))
 		fmt.Println(wrapANSI("\033[33m", "If you change your data directory, you will need to manually move consensus, gateway, transactionpool, partial_slabs and (potentially) the db folder to the new directory.", "\033[0m"))
 	}

cmd/renterd/main.go

@@ -55,6 +55,9 @@ func main() {
 	// load config file
 	configPath := tryLoadConfig()
 
+	// default data directory
+	cfg.Directory = defaultDataDirectory(cfg.Directory)
+
 	// override config file with CLI flags and/or environment variables
 	parseCLIFlags()
 	parseEnvironmentVariables()