mirror of
https://github.com/spf13/cobra
synced 2024-07-01 08:09:07 +00:00
dcf42b25f7
Cobra and Viper are great together, but it's not uncommon to use them apart. New Cobra users don't know better and including Viper by default adds complexity to the skeleton.
80 lines
2.3 KiB
Go
80 lines
2.3 KiB
Go
// Copyright © 2021 Steve Francia <spf@spf13.com>.
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//
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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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//
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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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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 (
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// Used for flags.
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cfgFile string
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userLicense string
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rootCmd = &cobra.Command{
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Use: "cobra",
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Short: "A generator for Cobra based Applications",
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Long: `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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)
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// Execute executes the root command.
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func Execute() error {
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return rootCmd.Execute()
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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/.cobra.yaml)")
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rootCmd.PersistentFlags().StringP("author", "a", "YOUR NAME", "author name for copyright attribution")
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rootCmd.PersistentFlags().StringVarP(&userLicense, "license", "l", "", "name of license for the project")
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rootCmd.PersistentFlags().Bool("viper", false, "use Viper for configuration")
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cobra.CheckErr(viper.BindPFlag("author", rootCmd.PersistentFlags().Lookup("author")))
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cobra.CheckErr(viper.BindPFlag("useViper", rootCmd.PersistentFlags().Lookup("viper")))
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viper.SetDefault("author", "NAME HERE <EMAIL ADDRESS>")
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viper.SetDefault("license", "apache")
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rootCmd.AddCommand(addCmd)
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rootCmd.AddCommand(initCmd)
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}
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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 ".cobra" (without extension).
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viper.AddConfigPath(home)
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viper.SetConfigType("yaml")
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viper.SetConfigName(".cobra")
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}
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viper.AutomaticEnv()
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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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}
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}
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