1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2016 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package osutil
import (
"bytes"
"fmt"
)
// OutputErr formats an error based on output if its length is not zero,
// or returns err otherwise.
func OutputErr(output []byte, err error) error {
output = bytes.TrimSpace(output)
if len(output) > 0 {
if bytes.Contains(output, []byte{'\n'}) {
err = fmt.Errorf("\n-----\n%s\n-----", output)
} else {
err = fmt.Errorf("%s", output)
}
}
return err
}
|
