1 files changed, 13 insertions, 1 deletions
diff --git a/src/os/export_test.go b/src/os/export_test.go
index 93b10898e0..bea38c905a 100644
--- a/src/os/export_test.go
+++ b/src/os/export_test.go
@@ -7,7 +7,6 @@ package os
 // Export for testing.
 
 var Atime = atime
-var LstatP = &lstat
 var ErrWriteAtInAppendMode = errWriteAtInAppendMode
 var ErrPatternHasSeparator = errPatternHasSeparator
 
@@ -16,3 +15,16 @@ func init() {
 }
 
 var ExportReadFileContents = readFileContents
+
+// cleanuper stands in for *testing.T, since we can't import testing in os.
+type cleanuper interface {
+	Cleanup(func())
+}
+
+func SetStatHook(t cleanuper, f func(f *File, name string) (FileInfo, error)) {
+	oldstathook := stathook
+	t.Cleanup(func() {
+		stathook = oldstathook
+	})
+	stathook = f
+}