🗜️ cmd: fix log level panic

TextVar calls the MarshalText method on the default value, which panics when the AtomicLevel is zero value.

Switch to zapcore.Level and use InvalidLevel as the default value.

cmd/cubic-rce-bot/main.go

@@ -12,20 +12,21 @@ import (
 	"github.com/database64128/cubic-rce-bot/jsonhelper"
 	"github.com/database64128/cubic-rce-bot/logging"
 	"go.uber.org/zap"
+	"go.uber.org/zap/zapcore"
 )
 
 var (
 	testConf bool
 	confPath string
 	zapConf  string
-	logLevel zap.AtomicLevel
+	logLevel zapcore.Level
 )
 
 func init() {
 	flag.BoolVar(&testConf, "testConf", false, "Test the configuration file without starting the bot")
 	flag.StringVar(&confPath, "confPath", "", "Path to JSON configuration file")
 	flag.StringVar(&zapConf, "zapConf", "", "Preset name or path to JSON configuration file for building the zap logger.\nAvailable presets: console (default), systemd, production, development")
-	flag.TextVar(&logLevel, "logLevel", zap.AtomicLevel{}, "Override the logger configuration's log level.\nAvailable levels: debug, info, warn, error, dpanic, panic, fatal")
+	flag.TextVar(&logLevel, "logLevel", zapcore.InvalidLevel, "Override the logger configuration's log level.\nAvailable levels: debug, info, warn, error, dpanic, panic, fatal")
 }
 
 func main() {
@@ -55,8 +56,8 @@ func main() {
 		}
 	}
 
-	if logLevel != (zap.AtomicLevel{}) {
-		zc.Level = logLevel
+	if logLevel != zapcore.InvalidLevel {
+		zc.Level.SetLevel(logLevel)
 	}
 
 	logger, err := zc.Build()