Move help message and flag setup to bpm-utils-shared package

src/bpm-utils-shared/main.go

@@ -1,10 +1,15 @@
 package bpm_utils_shared
 
 import (
+	"flag"
+	"fmt"
 	"gopkg.in/yaml.v3"
 	"os"
 )
 
+var usageMsg string
+var description string
+
 type BPMUtilsConfig struct {
 	PrivilegeEscalatorCmd string `yaml:"privilege_escalator_cmd"`
 }
@@ -23,3 +28,20 @@ func ReadBPMUtilsConfig() (*BPMUtilsConfig, error) {
 
 	return config, nil
 }
+
+func SetupFlags() {
+	flag.Usage = ShowHelp
+	flag.Parse()
+}
+
+func SetupHelp(usage, desc string) {
+	usageMsg = usage
+	description = desc
+}
+
+func ShowHelp() {
+	fmt.Println("Usage: " + usageMsg)
+	fmt.Println("Description: " + description)
+	fmt.Println("Options:")
+	flag.PrintDefaults()
+}