tune cluster ls: parallized and use tcp connect instead of https (#63)

pkg/cfg/config.go

@@ -28,7 +28,7 @@ import (
 )
 
 const (
-	Version string = `v0.0.24`
+	Version string = `v0.0.25`
 )
 
 var (
@@ -137,6 +137,18 @@ func (conf *Config) Init() error {
 		return err
 	}
 
+	if err := conf.determineDefaultCluster(); err != nil {
+		return err
+	}
+
+	conf.HaveJQ = isJQinstalled()
+
+	conf.PrintDebug()
+
+	return nil
+}
+
+func (conf *Config) determineDefaultCluster() error {
 	if conf.CurrentCluster != "" {
 		// -C specified, set current cluster explicitly, no matter what the config says
 		current, exists := conf.Clusters[conf.CurrentCluster]
@@ -172,10 +184,6 @@ func (conf *Config) Init() error {
 		}
 	}
 
-	conf.HaveJQ = isJQinstalled()
-
-	conf.PrintDebug()
-
 	return nil
 }