mirror of
https://github.com/liloew/gvn.git
synced 2025-12-24 13:38:00 +08:00
76 lines
2.0 KiB
Go
76 lines
2.0 KiB
Go
/*
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Copyright © 2022 liluo <luolee.me@gmail.com>
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package cmd
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import (
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"os"
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"path/filepath"
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"github.com/spf13/cobra"
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"github.com/spf13/viper"
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)
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// rootCmd represents the base command when called without any subcommands
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var (
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rootCmd = &cobra.Command{
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Use: "gvn",
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Short: "gvn - a golang implementation VPN aims on distributed work environments",
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Long: ``,
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}
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cfgFile string
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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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// Here you will define your flags and configuration settings.
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// Cobra supports persistent flags, which, if defined here,
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// will be global for your application.
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rootCmd.PersistentFlags().StringVarP(&cfgFile, "config", "c", "", "config file (default is $HOME/.gvn.yaml)")
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// Cobra also supports local flags, which will only run
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// when this action is called directly.
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// rootCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
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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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home, err := os.UserHomeDir()
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cobra.CheckErr(err)
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cfgFile = filepath.Join(home, "gvn.yaml")
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rootCmd.Flags().Set("config", cfgFile)
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}
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viper.SetConfigFile(cfgFile)
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viper.AutomaticEnv() // read in environment variables that match
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if err := viper.ReadInConfig(); err == nil {
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// PASS
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} else {
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}
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}
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