update

pkg/go-nfs/file/file.go

@@ -0,0 +1,17 @@
+package file
+
+import "os"
+
+type FileInfo struct {
+	Nlink  uint32
+	UID    uint32
+	GID    uint32
+	Major  uint32
+	Minor  uint32
+	Fileid uint64
+}
+
+// GetInfo extracts some non-standardized items from the result of a Stat call.
+func GetInfo(fi os.FileInfo) *FileInfo {
+	return getInfo(fi)
+}

pkg/go-nfs/file/file_unix.go

@@ -0,0 +1,24 @@
+//go:build darwin || dragonfly || freebsd || linux || nacl || netbsd || openbsd || solaris
+
+package file
+
+import (
+	"os"
+	"syscall"
+
+	"golang.org/x/sys/unix"
+)
+
+func getInfo(info os.FileInfo) *FileInfo {
+	fi := &FileInfo{}
+	if s, ok := info.Sys().(*syscall.Stat_t); ok {
+		fi.Nlink = uint32(s.Nlink)
+		fi.UID = s.Uid
+		fi.GID = s.Gid
+		fi.Major = unix.Major(uint64(s.Rdev))
+		fi.Minor = unix.Minor(uint64(s.Rdev))
+		fi.Fileid = s.Ino
+		return fi
+	}
+	return nil
+}

pkg/go-nfs/file/file_windows.go

@@ -0,0 +1,12 @@
+//go:build windows
+
+package file
+
+import "os"
+
+func getInfo(info os.FileInfo) *FileInfo {
+	// https://godoc.org/golang.org/x/sys/windows#GetFileInformationByHandle
+	// can be potentially used to populate Nlink
+
+	return nil
+}