Merge pull request #270 from aluzzardi/loglevel

Replace --debug with --log-level

main.go

@@ -30,14 +30,29 @@ func main() {
 			Usage:  "debug mode",
 			EnvVar: "DEBUG",
 		},
+
+		cli.StringFlag{
+			Name:  "log-level, l",
+			Value: "info",
+			Usage: fmt.Sprintf("Log level (options: debug, info, warn, error, fatal, panic)"),
+		},
 	}
 
 	// logs
 	app.Before = func(c *cli.Context) error {
 		log.SetOutput(os.Stderr)
-		if c.Bool("debug") {
+		level, err := log.ParseLevel(c.String("log-level"))
+		if err != nil {
+			log.Fatalf(err.Error())
+		}
+		log.SetLevel(level)
+
+		// If a log level wasn't specified and we are running in debug mode,
+		// enforce log-level=debug.
+		if !c.IsSet("log-level") && !c.IsSet("l") && c.Bool("debug") {
 			log.SetLevel(log.DebugLevel)
 		}
+
 		return nil
 	}