Golang Cobra Example

cmd.go

package cmd

import (
	"fmt"
	"os"

	"github.com/spf13/cobra"
)

func init() {
	rootCmd.AddCommand(versionCmd)
	rootCmd.AddCommand(migrateCmd)
}

var versionCmd = &cobra.Command{
	Use:   "version",
	Short: "Print the version number of Hugo",
	Long:  `All software has versions. This is Hugo's`,
	Run: func(cmd *cobra.Command, args []string) {
		fmt.Println("Hugo Static Site Generator v1.9 ")
	},
}

var migrateCmd = &cobra.Command{
	Use:   "migratedb",
	Short: "Actualiza la DB ejecutando comandos en folder /migrations",
	Long:  `Algo largo aqui`,
	Run: func(cmd *cobra.Command, args []string) {
		fmt.Println("Ejecutando migraciones ...")
	},
}

var rootCmd = &cobra.Command{
	Use:   "cobra",
	Short: "Cobra es una prueba de cobra pkg",
	Long: `A Fast and Flexible Static Site Generator built with
				  love by spf13 and friends in Go.
				  Complete documentation is available at http://hugo.spf13.com`,
	Run: func(cmd *cobra.Command, args []string) {
		fmt.Printf("Running API Cobra...")
	},
}

func Execute() {
	if err := rootCmd.Execute(); err != nil {
		fmt.Println(err)
		os.Exit(1)
	}
}

main.go

package main

import (
	"fmt"
	"sait/cobra/cmd"
)

func main() {
	cmd.Execute()
	fmt.Printf("Adios mundo cruel !\n")
}