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package main
import (
// Default function to display a dialog
func displayDialog(args map[string]interface{}) (interface{}, error) {
// Get title
title, ok := args["title"]
if !ok {
return nil, errors.New("title not provided")
// Get unnamed argument as text
text, ok := args[""]
if !ok {
return nil, errors.New("text not provided")
// Display correct dialog based on given type
switch args["type"] {
case "yesno":
// Display yes or no dialog, returning bool based on user input
return dlgs.Question(fmt.Sprint(title), fmt.Sprint(text), true)
case "info":
// Display info dialog, returning bool based on success
return dlgs.Info(fmt.Sprint(title), fmt.Sprint(text))
case "error":
// Display error dialog, returning bool based on success
return dlgs.Error(fmt.Sprint(title), fmt.Sprint(text))
case "entry":
// Check if default text given
defaultText, ok := args["default"]
if !ok {
// Set to empty if not given
defaultText = ""
// Display entry dialog
input, _, err := dlgs.Entry(fmt.Sprint(title), fmt.Sprint(text), fmt.Sprint(defaultText))
// Return user input
return input, err
// If type unknown, return error
return nil, fmt.Errorf("unknown dialog type: %v", args["type"])
// Default function to run a shell script using `sh -c`
func doShellScript(args map[string]interface{}) (interface{}, error) {
// Get unnamed argument and assert its type as string
script, ok := args[""].(string)
// If assertion successful
if ok {
// Create new exec.Cmd containing `sh -c <script>`
cmd := exec.Command("sh", "-c", script)
// Set command I/O
cmd.Stdout = os.Stdout
cmd.Stdin = os.Stdin
cmd.Stderr = os.Stderr
// Run command
_ = cmd.Run()
return "", nil
} else {
return nil, errors.New("script not provided")