package fsutil import ( "bytes" "syscall" "github.com/containerd/continuity/sysx" "github.com/pkg/errors" ) // compareSysStat returns whether the stats are equivalent, // whether the files are considered the same file, and // an error func compareSysStat(s1, s2 interface{}) (bool, error) { ls1, ok := s1.(*syscall.Stat_t) if !ok { return false, nil } ls2, ok := s2.(*syscall.Stat_t) if !ok { return false, nil } return ls1.Mode == ls2.Mode && ls1.Uid == ls2.Uid && ls1.Gid == ls2.Gid && ls1.Rdev == ls2.Rdev, nil } func compareCapabilities(p1, p2 string) (bool, error) { c1, err := sysx.LGetxattr(p1, "security.capability") if err != nil && err != syscall.ENODATA { return false, errors.Wrapf(err, "failed to get xattr for %s", p1) } c2, err := sysx.LGetxattr(p2, "security.capability") if err != nil && err != syscall.ENODATA { return false, errors.Wrapf(err, "failed to get xattr for %s", p2) } return bytes.Equal(c1, c2), nil }