From eae7c736c89028375f4e1167414c97a80283b02b Mon Sep 17 00:00:00 2001
From: Roger Peppe <rogpeppe@gmail.com>
Date: Thu, 4 Oct 2018 18:11:05 +0100
Subject: [PATCH] testscript: make it compile under Go 1.10

Making it compile under earlier versions than 1.10 is a bit
harder, so punt for now.
---
 testscript/exe.go | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/testscript/exe.go b/testscript/exe.go
index 1e8f9a1b..554a4853 100644
--- a/testscript/exe.go
+++ b/testscript/exe.go
@@ -190,9 +190,14 @@ func (nopTestDeps) WriteProfileTo(name string, w io.Writer, debug int) error {
 func (nopTestDeps) ImportPath() string {
 	return ""
 }
-
 func (nopTestDeps) StartTestLog(w io.Writer) {}
 
 func (nopTestDeps) StopTestLog() error {
 	return nil
 }
+
+// Note: WriteHeapProfile is needed for Go 1.10 but not Go 1.11.
+func (nopTestDeps) WriteHeapProfile(io.Writer) error {
+	// Not needed for Go 1.10.
+	return nil
+}