mirror of
https://github.com/mudler/luet.git
synced 2025-05-03 05:46:28 +00:00
88 lines
2.5 KiB
Go
88 lines
2.5 KiB
Go
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// Copyright © 2019 Ettore Di Giacinto <mudler@gentoo.org>
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with this program; if not, see <http://www.gnu.org/licenses/>.
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package cmd
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import (
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"fmt"
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"log"
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"os"
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"path"
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"path/filepath"
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"github.com/fsnotify/fsnotify"
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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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var Verbose bool
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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: "luet",
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Short: "Package manager for the XXth century!",
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Long: `Package manager which supports Gentoo and Entropy packages`,
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}
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// Execute adds all child commands to the root command 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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if err := RootCmd.Execute(); err != nil {
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fmt.Println(err)
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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, "config", "", "config file (default is $HOME/.luet.yaml)")
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RootCmd.PersistentFlags().BoolVarP(&Verbose, "verbose", "v", false, "verbose output")
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}
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// initConfig reads in config file and ENV variables if set.
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func initConfig() {
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dir, err := filepath.Abs(filepath.Dir(os.Args[0]))
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if err != nil {
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log.Fatal(err)
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}
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viper.SetConfigName(".luet") // name of config file (without extension)
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if cfgFile != "" { // enable ability to specify config file via flag
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fmt.Println(">>> cfgFile: ", cfgFile)
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viper.SetConfigFile(cfgFile)
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configDir := path.Dir(cfgFile)
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if configDir != "." && configDir != dir {
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viper.AddConfigPath(configDir)
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}
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}
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viper.AddConfigPath(dir)
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viper.AddConfigPath(".")
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viper.AddConfigPath("$HOME")
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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.Println("Using config file:", viper.ConfigFileUsed())
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} else {
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fmt.Println(err)
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}
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viper.WatchConfig()
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viper.OnConfigChange(func(e fsnotify.Event) {
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fmt.Println("Config file changed:", e.Name)
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})
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}
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