mirror of https://github.com/docker/cli.git
62 lines
1.1 KiB
Go
62 lines
1.1 KiB
Go
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// +build !windows
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package fsutil
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import (
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"os"
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"syscall"
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"github.com/pkg/errors"
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"github.com/stevvooe/continuity/sysx"
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)
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func loadXattr(origpath string, stat *Stat) error {
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xattrs, err := sysx.LListxattr(origpath)
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if err != nil {
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return errors.Wrapf(err, "failed to xattr %s", origpath)
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}
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if len(xattrs) > 0 {
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m := make(map[string][]byte)
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for _, key := range xattrs {
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v, err := sysx.LGetxattr(origpath, key)
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if err == nil {
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m[key] = v
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}
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}
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stat.Xattrs = m
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}
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return nil
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}
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func setUnixOpt(fi os.FileInfo, stat *Stat, path string, seenFiles map[uint64]string) {
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s := fi.Sys().(*syscall.Stat_t)
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stat.Uid = s.Uid
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stat.Gid = s.Gid
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if !fi.IsDir() {
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if s.Mode&syscall.S_IFBLK != 0 ||
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s.Mode&syscall.S_IFCHR != 0 {
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stat.Devmajor = int64(major(uint64(s.Rdev)))
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stat.Devminor = int64(minor(uint64(s.Rdev)))
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}
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ino := s.Ino
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if s.Nlink > 1 {
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if oldpath, ok := seenFiles[ino]; ok {
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stat.Linkname = oldpath
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stat.Size_ = 0
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}
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}
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seenFiles[ino] = path
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}
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}
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func major(device uint64) uint64 {
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return (device >> 8) & 0xfff
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}
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func minor(device uint64) uint64 {
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return (device & 0xff) | ((device >> 12) & 0xfff00)
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}
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