fileutil

func CopyRegularFile ¶ added in v0.9.0

func CopyRegularFile(src, dest string) (err error)

func CopySymlink ¶ added in v0.9.0

func CopySymlink(src, dest string) error

func CopyTree ¶

func CopyTree(src, dest string, uidRange *user.UidRange) error

func DirSize ¶ added in v0.14.0

func DirSize(path string) (int64, error)

DirSize takes a path and returns its size in bytes

func EvalSymlinksAlways ¶ added in v1.23.0

func EvalSymlinksAlways(path string) (string, error)

EvalSymlinksAlways behaves like filepath.EvalSymlinks but does not require that all path components must exist.

While filepath.EvalSymlink behaves like `readlink -e` this function behaves like `readlink -m`.

Unlike `readlink` EvalSymlinksAlways might return a relative path.

func GetDeviceInfo ¶ added in v1.23.0

func GetDeviceInfo(path string) (kind rune, major uint64, minor uint64, err error)

GetDeviceInfo returns the type, major, and minor numbers of a device. Kind is 'b' or 'c' for block and character devices, respectively. This does not follow symlinks.

func IsDeviceNode ¶ added in v1.13.0

func IsDeviceNode(path string) bool

IsDeviceNode checks if the given path points to a block or char device. It doesn't follow symlinks.

func IsExecutable ¶ added in v1.5.0

func IsExecutable(path string) bool

IsExecutable checks if the given path points to an executable file by checking the executable bit. Inspired by os.exec.LookPath()

func LUtimesNano ¶

func LUtimesNano(path string, ts []syscall.Timespec) error

TODO(sgotti) waiting for a utimensat functions accepting flags and a LUtimesNano using it in https://github.com/golang/sys/

func Lgetxattr ¶ added in v0.7.0

func Lgetxattr(path string, attr string) ([]byte, error)

Returns a nil slice and nil error if the xattr is not set

func Lsetxattr ¶ added in v0.7.0

func Lsetxattr(path string, attr string, data []byte, flags int) error

func TimeToTimespec ¶

func TimeToTimespec(time time.Time) (ts syscall.Timespec)

TODO(sgotti) use UTIMES_OMIT on linux if Time.IsZero ?