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
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
package name
import (
"fmt"
"strings"
)
// Validate checks whether name is a valid Git name.
func Validate(name string, options Options) error {
return validate(name, options.flags())
}
func validate(name string, flags int) error {
return checkOrSanitizeRefname(name, flags, nil)
}
func checkOrSanitizeRefname(name string, flags int, sanitized *strings.Builder) error {
componentCount := 0
remaining := name
if name == "@" {
if sanitized == nil {
return fmt.Errorf("%w: single @ is not allowed", ErrInvalidName)
}
sanitized.WriteByte('-')
}
for {
if sanitized != nil && sanitized.Len() > 0 {
sanitized.WriteByte('/')
}
componentLen, err := checkRefnameComponent(remaining, &flags, sanitized)
switch {
case sanitized != nil && componentLen == 0:
case componentLen <= 0:
if err != nil {
return err
}
return fmt.Errorf("%w: component has zero length", ErrInvalidName)
case err != nil:
return err
}
componentCount++
if componentLen == len(remaining) {
break
}
remaining = remaining[componentLen+1:]
}
componentLen := len(remaining)
if componentLen > 0 && remaining[componentLen-1] == '.' {
if sanitized == nil {
return fmt.Errorf("%w: name ends with '.'", ErrInvalidName)
}
}
if flags&nameAllowOneLevel == 0 && componentCount < 2 {
return fmt.Errorf("%w: one-level name is not allowed", ErrInvalidName)
}
return nil
}
// SanitizeComponent sanitizes components.
func SanitizeComponent(component string) string {
var builder strings.Builder
err := checkOrSanitizeRefname(component, nameAllowOneLevel, &builder)
if err != nil {
panic(fmt.Sprintf("ref/name: sanitize component %q: %v", component, err))
}
return builder.String()
}
|
