lib/fs: Rename fsFile* to basicFile* (#5546)

lib/fs/basicfs_fileinfo_unix.go

@@ -0,0 +1,29 @@
+// Copyright (C) 2017 The Syncthing Authors.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at https://mozilla.org/MPL/2.0/.
+
+// +build !windows
+
+package fs
+
+import "syscall"
+
+func (e basicFileInfo) Mode() FileMode {
+	return FileMode(e.FileInfo.Mode())
+}
+
+func (e basicFileInfo) Owner() int {
+	if st, ok := e.Sys().(*syscall.Stat_t); ok {
+		return int(st.Uid)
+	}
+	return -1
+}
+
+func (e basicFileInfo) Group() int {
+	if st, ok := e.Sys().(*syscall.Stat_t); ok {
+		return int(st.Gid)
+	}
+	return -1
+}