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70 lines
1.8 KiB
Go
70 lines
1.8 KiB
Go
1 year ago
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/*
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Copyright © 2023 NAME HERE <EMAIL ADDRESS>
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*/
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package cmd
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import (
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"fmt"
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"os"
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"github.com/spf13/cobra"
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"github.com/spf13/viper"
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)
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var cfgFile string
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// rootCmd represents the base command when called without any subcommands
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var rootCmd = &cobra.Command{
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Use: "viper",
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Short: "A brief description of your application",
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Long: `A longer description that spans multiple lines and likely contains
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examples and usage of using your application. For example:
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Cobra is a CLI library for Go that empowers applications.
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This application is a tool to generate the needed files
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to quickly create a Cobra application.`,
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}
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// Execute adds all child commands to the root command and sets flags appropriately.
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// This is called by main.main(). It only needs to happen once to the rootCmd.
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func Execute() {
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err := rootCmd.Execute()
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if err != nil {
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os.Exit(1)
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}
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}
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func init() {
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cobra.OnInitialize(initConfig)
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rootCmd.PersistentFlags().StringVar(&cfgFile, "cfgFile", "", "cfgFile location")
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rootCmd.PersistentFlags().String("format", "", "output format [markdown, json, csv]")
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rootCmd.MarkPersistentFlagRequired("format")
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viper.BindPFlag("format", rootCmd.Flags().Lookup("format"))
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}
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// initConfig reads in config file and ENV variables if set.
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func initConfig() {
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if cfgFile != "" {
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// Use config file from the flag.
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viper.SetConfigFile(cfgFile)
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} else {
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// Find home directory.
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home, err := os.UserHomeDir()
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cobra.CheckErr(err)
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// Search config in home directory with name ".viper" (without extension).
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viper.AddConfigPath(home)
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viper.SetConfigType("yaml")
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viper.SetConfigName(".viper")
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}
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viper.AutomaticEnv() // read in environment variables that match
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// If a config file is found, read it in.
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if err := viper.ReadInConfig(); err == nil {
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fmt.Fprintln(os.Stderr, "Using config file:", viper.ConfigFileUsed())
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}
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}
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