go: add importFlag

run.go

@@ -64,6 +64,7 @@ var (
 	configIsPathFlag = flag.Bool("configIsPath", true, "Whether the provided config is path or raw config")
 	devel            = flag.Bool("devel", false, "Run the application in dev mode, connect to a local browser-sync instance for hot-reloading")
 	license          = flag.Bool("license", false, "Print licensing information and exit")
+	importFlag       = flag.String("import", "", "Path to import breach data from")
 	version          = "dev"
 	// the global logger.
 	slogger *slogging.Slogger
@@ -71,7 +72,7 @@ var (
 	log slogging.Slogger
 )
 
-func run() error {
+func run() error { //nolint:gocognit
 	flag.Parse()
 
 	if *license {
@@ -79,7 +80,15 @@ func run() error {
 		return nil
 	}
 
-	printHeader()
+	var doingImport bool
+
+	if importFlag != nil && *importFlag != "" {
+		doingImport = true
+	}
+
+	if !doingImport {
+		printHeader()
+	}
 
 	// TODO: allow different configuration formats (toml, ini)
 	// TODO: rename main.go to pcmt.go
@@ -139,6 +148,10 @@ func run() error {
 
 	db, err := ent.Open(setting.DbType(), setting.DbConnstring())
 	if err != nil {
+		if doingImport {
+			log.Error("import not possible")
+		}
+
 		return fmt.Errorf("failed to open a connection to database: %v", err)
 	}
 	defer db.Close()