package cmd

import (
	"bytes"
	"fmt"
	"os/exec"
)

func Exec(cmdStr string) (string, error) {
	cmd := exec.Command("bash", "-c", cmdStr)
	var stdout, stderr bytes.Buffer
	cmd.Stdout = &stdout
	cmd.Stderr = &stderr
	err := cmd.Run()
	if err != nil {
		return stderr.String(), err
	}
	return stdout.String(), nil
}

func Execf(cmdStr string, a ...interface{}) (string, error) {
	cmd := exec.Command("bash", "-c", fmt.Sprintf(cmdStr, a...))
	var stdout, stderr bytes.Buffer
	cmd.Stdout = &stdout
	cmd.Stderr = &stderr
	err := cmd.Run()
	if err != nil {
		return stderr.String(), err
	}
	return stdout.String(), nil
}