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
|
//go:build !windows
// +build !windows
package fs
import (
"os"
"syscall"
"github.com/pkg/errors"
"github.com/containerd/continuity/sysx"
)
// copyXAttrs requires xeh to be non-nil
func copyXAttrs(dst, src string, xeh XAttrErrorHandler) error {
xattrKeys, err := sysx.LListxattr(src)
if err != nil {
return xeh(dst, src, "", errors.Wrapf(err, "failed to list xattrs on %s", src))
}
for _, xattr := range xattrKeys {
data, err := sysx.LGetxattr(src, xattr)
if err != nil {
return xeh(dst, src, xattr, errors.Wrapf(err, "failed to get xattr %q on %s", xattr, src))
}
if err := sysx.LSetxattr(dst, xattr, data, 0); err != nil {
return xeh(dst, src, xattr, errors.Wrapf(err, "failed to set xattr %q on %s", xattr, dst))
}
}
return nil
}
func copyDevice(dst string, fi os.FileInfo) error {
st, ok := fi.Sys().(*syscall.Stat_t)
if !ok {
return errors.New("unsupported stat type")
}
var rDev int
if fi.Mode()&os.ModeDevice == os.ModeDevice || fi.Mode()&os.ModeCharDevice == os.ModeCharDevice {
rDev = int(st.Rdev)
}
mode := st.Mode
mode &^= syscall.S_IFSOCK // socket copied as stub
return mknod(dst, uint32(mode), rDev)
}
|
