* showing help by basic call

* autocompletion for exec

util/util.go

@@ -4,6 +4,7 @@ import (
 	"encoding/json"
 	"github.com/spf13/cobra"
 	"os"
+	"strings"
 )
 
 func SaveConfig(data *map[string]string) error {
@@ -19,3 +20,13 @@ func SaveConfig(data *map[string]string) error {
 
 	return nil
 }
+
+func AutocompleteConfig(conf *map[string]string, partialInput string) []string {
+	var result []string
+	for key := range *conf {
+		if strings.Contains(key, partialInput) {
+			result = append(result, key)
+		}
+	}
+	return result
+}