| // Copyright © 2017 NAME HERE <EMAIL ADDRESS> |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package cmd |
| |
| import ( |
| "fmt" |
| "os" |
| |
| homedir "github.com/mitchellh/go-homedir" |
| "github.com/spf13/cobra" |
| "github.com/spf13/viper" |
| ) |
| |
| var cfgFile string |
| |
| // rootCmd represents the base command when called without any subcommands |
| var rootCmd = &cobra.Command{ |
| Use: "testproject", |
| Short: "A brief description of your application", |
| Long: `A longer description that spans multiple lines and likely contains |
| examples and usage of using your application. For example: |
| |
| Cobra is a CLI library for Go that empowers applications. |
| This application is a tool to generate the needed files |
| to quickly create a Cobra application.`, |
| // Uncomment the following line if your bare application |
| // has an action associated with it: |
| // Run: func(cmd *cobra.Command, args []string) { }, |
| } |
| |
| // Execute adds all child commands to the root command and sets flags appropriately. |
| // This is called by main.main(). It only needs to happen once to the rootCmd. |
| func Execute() { |
| if err := rootCmd.Execute(); err != nil { |
| fmt.Println(err) |
| os.Exit(1) |
| } |
| } |
| |
| func init() { |
| cobra.OnInitialize(initConfig) |
| |
| // Here you will define your flags and configuration settings. |
| // Cobra supports persistent flags, which, if defined here, |
| // will be global for your application. |
| rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.testproject.yaml)") |
| |
| // Cobra also supports local flags, which will only run |
| // when this action is called directly. |
| rootCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle") |
| } |
| |
| // initConfig reads in config file and ENV variables if set. |
| func initConfig() { |
| if cfgFile != "" { |
| // Use config file from the flag. |
| viper.SetConfigFile(cfgFile) |
| } else { |
| // Find home directory. |
| home, err := homedir.Dir() |
| if err != nil { |
| fmt.Println(err) |
| os.Exit(1) |
| } |
| |
| // Search config in home directory with name ".testproject" (without extension). |
| viper.AddConfigPath(home) |
| viper.SetConfigName(".testproject") |
| } |
| |
| viper.AutomaticEnv() // read in environment variables that match |
| |
| // If a config file is found, read it in. |
| if err := viper.ReadInConfig(); err == nil { |
| fmt.Println("Using config file:", viper.ConfigFileUsed()) |
| } |
| } |