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
|
//go:build !windows
// +build !windows
package dockerfile // import "github.com/docker/docker/builder/dockerfile"
import (
"os"
"path"
"path/filepath"
"strings"
"github.com/docker/docker/pkg/idtools"
)
func fixPermissions(source, destination string, identity idtools.Identity, overrideSkip bool) error {
var (
skipChownRoot bool
err error
)
if !overrideSkip {
skipChownRoot, err = isExistingDirectory(destination)
if err != nil {
return err
}
}
// We Walk on the source rather than on the destination because we don't
// want to change permissions on things we haven't created or modified.
return filepath.WalkDir(source, func(fullpath string, _ os.DirEntry, _ error) error {
// Do not alter the walk root iff. it existed before, as it doesn't fall under
// the domain of "things we should chown".
if skipChownRoot && source == fullpath {
return nil
}
// Path is prefixed by source: substitute with destination instead.
cleaned, err := filepath.Rel(source, fullpath)
if err != nil {
return err
}
fullpath = filepath.Join(destination, cleaned)
return os.Lchown(fullpath, identity.UID, identity.GID)
})
}
// normalizeDest normalises the destination of a COPY/ADD command in a
// platform semantically consistent way.
func normalizeDest(workingDir, requested string) (string, error) {
dest := filepath.FromSlash(requested)
endsInSlash := strings.HasSuffix(dest, string(os.PathSeparator))
if !path.IsAbs(requested) {
dest = path.Join("/", filepath.ToSlash(workingDir), dest)
// Make sure we preserve any trailing slash
if endsInSlash {
dest += "/"
}
}
return dest, nil
}
func containsWildcards(name string) bool {
for i := 0; i < len(name); i++ {
ch := name[i]
if ch == '\\' {
i++
} else if ch == '*' || ch == '?' || ch == '[' {
return true
}
}
return false
}
func validateCopySourcePath(imageSource *imageMount, origPath string) error {
return nil
}
|
