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
|
package instructions
import (
"fmt"
"path/filepath"
"regexp"
"strings"
"github.com/pkg/errors"
)
func errNotJSON(command, original string) error {
// For Windows users, give a hint if it looks like it might contain
// a path which hasn't been escaped such as ["c:\windows\system32\prog.exe", "-param"],
// as JSON must be escaped. Unfortunate...
//
// Specifically looking for quote-driveletter-colon-backslash, there's no
// double backslash and a [] pair. No, this is not perfect, but it doesn't
// have to be. It's simply a hint to make life a little easier.
extra := ""
original = filepath.FromSlash(strings.ToLower(strings.ReplaceAll(strings.ToLower(original), strings.ToLower(command)+" ", "")))
if len(regexp.MustCompile(`"[a-z]:\\.*`).FindStringSubmatch(original)) > 0 &&
!strings.Contains(original, `\\`) &&
strings.Contains(original, "[") &&
strings.Contains(original, "]") {
extra = fmt.Sprintf(`. It looks like '%s' includes a file path without an escaped back-slash. JSON requires back-slashes to be escaped such as ["c:\\path\\to\\file.exe", "/parameter"]`, original)
}
return errors.Errorf("%s requires the arguments to be in JSON form%s", command, extra)
}
|
