initial

cmd/root.go

@@ -0,0 +1,52 @@
+package cmd
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/mitchellh/go-homedir"
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+var (
+	// Used for flags.
+	cfgFile     string
+	userLicense string
+
+	rootCmd = &cobra.Command{
+		Use:   "sn",
+		Short: "A shell utility program",
+	}
+)
+
+// Execute executes the root command.
+func Execute() error {
+	return rootCmd.Execute()
+}
+
+func er(msg interface{}) {
+	fmt.Println("Error:", msg)
+	os.Exit(1)
+}
+
+func init() {
+	cobra.OnInitialize(initConfig)
+}
+
+func initConfig() {
+	home, err := homedir.Dir()
+	if err != nil {
+		er(err)
+	}
+
+	// Search config in home directory with name ".cobra" (without extension).
+	viper.AddConfigPath(home)
+	viper.SetConfigName(".sneak")
+
+	viper.AutomaticEnv()
+
+	if err := viper.ReadInConfig(); err == nil {
+		fmt.Println("Using config file:", viper.ConfigFileUsed())
+	}
+}