/*
   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

   http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
*/

package hcutil

import (
	"bytes"
	"os/exec"
)

func Do(cmdStr string, args ...string) ([]byte, []byte, int) {
	cmd := exec.Command(cmdStr, args...)

	var outbuf bytes.Buffer
	var errbuf bytes.Buffer

	cmd.Stdout = &outbuf
	cmd.Stderr = &errbuf

	code := 0
	err := cmd.Run()
	if err != nil {
		if exitErr, ok := err.(*exec.ExitError); !ok {
			return nil, []byte(err.Error()), -1
		} else {
			code = exitErr.ExitCode()
		}
	}

	return outbuf.Bytes(), errbuf.Bytes(), code
}
