Cobra MakeInfo

cobra-info.go

package cmd

import (
	"fmt"

	"github.com/spf13/cobra"
)

func MakeInfo() *cobra.Command {

	info := &cobra.Command{
		Use:   "info",
		Short: "Vivamus elementum semper nisi",
		Long:  "Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor",
		Example: "cli info",
		SilenceUsage: true,
	}

	info.RunE = func(cmd *cobra.Command, args []string) error {
		if len(args) == 0 {
			// No args. Print available args to users here. 
			fmt.Println("Lorem ipsum dolor sit amet, consectetuer adipiscing elit.")
			return nil
		}

		if len(args) != 1 {
			// Only one info can be fetched 
			return fmt.Errorf("Lorem ipsum dolor sit amet, consectetuer adipiscing elit.")
		}

		commandName := args[0]

		switch commandName {
			case "command1":
				fmt.Printf("Info for app: %s\n", commandName)
				fmt.Println(cmd.Command1InfoMsg)
			case "command2":
				fmt.Printf("Info for app: %s\n", commandName)
				fmt.Println(cmd.Command2InfoMsg)
			default:
				return fmt.Errorf("no info available for command: %s", commandName)
		}
		return nil
	}

	return info
}