moby--moby/vendor/github.com/tonistiigi/fsutil/copy/copy_nowindows.go

29 lines
729 B
Go

// +build !windows
package fs
import (
"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
}