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@@ -0,0 +1,83 @@
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+// Copyright © 2018 NAME HERE <EMAIL ADDRESS>
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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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+//
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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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+
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+package cmd
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+
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+import (
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+ "log"
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+ "os"
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+
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+ homedir "github.com/mitchellh/go-homedir"
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+ "github.com/spf13/cobra"
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+ "github.com/spf13/viper"
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+)
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+
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+var cfgFile string
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+
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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: "jrpcserver",
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+ Short: "A simple rpc server",
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+ // Uncomment the following line if your bare application
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+ // has an action associated with it:
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+ // Run: func(cmd *cobra.Command, args []string) { },
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+}
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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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+ if err := rootCmd.Execute(); err != nil {
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+ log.Println(err)
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+ os.Exit(1)
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+ }
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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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+
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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().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.jrpcserver.yaml)")
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+
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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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+
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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 := homedir.Dir()
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+ if err != nil {
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+ log.Println(err)
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+ os.Exit(1)
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+ }
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+
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+ // Search config in home directory with name ".jrpcserver" (without extension).
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+ viper.AddConfigPath(home)
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+ viper.SetConfigName(".jrpcserver")
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+ }
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+
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+ viper.AutomaticEnv() // read in environment variables that match
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+
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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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+ log.Println("Using config file:", viper.ConfigFileUsed())
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+ }
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+}
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