Merge pull request #132 from ozkatz/feat/optional-fileinfo

Allow os.FileInfo impls to provide a *file.FileInfo

Author: willscott

file/file.go

@@ -13,5 +13,13 @@ type FileInfo struct {
 
 // GetInfo extracts some non-standardized items from the result of a Stat call.
 func GetInfo(fi os.FileInfo) *FileInfo {
-	return getInfo(fi)
+	sys := fi.Sys()
+	switch v := sys.(type) {
+	case FileInfo:
+		return &v
+	case *FileInfo:
+		return v
+	default:
+		return getOSFileInfo(fi)
+	}
 }

file/file_unix.go

@@ -9,7 +9,7 @@ import (
 	"golang.org/x/sys/unix"
 )
 
-func getInfo(info os.FileInfo) *FileInfo {
+func getOSFileInfo(info os.FileInfo) *FileInfo {
 	fi := &FileInfo{}
 	if s, ok := info.Sys().(*syscall.Stat_t); ok {
 		fi.Nlink = uint32(s.Nlink)

file/file_windows.go

@@ -4,7 +4,7 @@ package file
 
 import "os"
 
-func getInfo(info os.FileInfo) *FileInfo {
+func getOSFileInfo(info os.FileInfo) *FileInfo {
 	// https://godoc.org/golang.org/x/sys/windows#GetFileInformationByHandle
 	// can be potentially used to populate Nlink