Shelling out from Go to retrieve a keychain item's password

keychain.go

package main

/*
./keychain -name mysecret
Siam589_logy

On run you'll get a popup window asking for access.
*/

import (
  "flag"
  "fmt"
  "os/exec"
  "strings"
)

func GetSecretValue(name string) (string, error) {
	cmd := exec.Command(
		"security",
		"find-generic-password",
		"-l",
		name,
		"-w",
	)

	out, err := cmd.CombinedOutput()
	strippedOut := strings.TrimSpace(string(out))

	if err != nil {
		return "", fmt.Errorf("%s\n%s", strippedOut, err)
	}

	return strippedOut, nil
}

func main() {
	secretName := flag.String("name", "", "Name of the secret")

	flag.Parse()

	secretValue, err := GetSecretValue(*secretName)

	if err != nil {
		fmt.Println(err.Error())
		return
	}

	fmt.Print(secretValue)
}