root.go

package cmd

import (
	"fmt"
	"os"

	homedir "github.com/mitchellh/go-homedir"
	"github.com/spf13/cobra"
	"github.com/spf13/viper"
)

var cfgFile, hostFile string

var rootCmd = &cobra.Command{
	Use:   "bmcfwupd",
	Short: "BMC firmware updater",
	Long:  `bmcfwupd is a tool that let you update BMC firmware`,
	//Run: func(cmd *cobra.Command, args []string) {},
}

func Execute() {
	if err := rootCmd.Execute(); err != nil {
		fmt.Println(err)
		os.Exit(1)
	}
}

func init() {
	cobra.OnInitialize(initConfig)
	rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.bmcfwupd.yaml)")
}

func initConfig() {
	if cfgFile != "" {
		viper.SetConfigFile(cfgFile)
	} else {
		home, err := homedir.Dir()
		if err != nil {
			fmt.Println(err)
			os.Exit(1)
		}

		viper.AddConfigPath(home)
		viper.SetConfigName(".bmcfwupd")
	}

	viper.AutomaticEnv()
	if err := viper.ReadInConfig(); err != nil {
		fmt.Println("Unable to load config file")
		os.Exit(1)
	}
}