From 371caf773385df0a40211aa2f91c5fe131a338ee Mon Sep 17 00:00:00 2001
From: Dmitry Vyukov <dvyukov@google.com>
Date: Mon, 25 Nov 2019 10:29:35 +0100
Subject: [PATCH] pkg/build: make linux implement binary signer

We were almost there...

Update #1271
---
 pkg/build/linux.go | 6 ++++++
 pkg/vcs/linux.go   | 2 ++
 2 files changed, 8 insertions(+)

diff --git a/pkg/build/linux.go b/pkg/build/linux.go
index 6f49466b6fb..1335dce8c73 100644
--- a/pkg/build/linux.go
+++ b/pkg/build/linux.go
@@ -26,6 +26,8 @@ import (
 
 type linux struct{}
 
+var _ signer = linux{}
+
 func (linux linux) build(params *Params) error {
 	if err := linux.buildKernel(params); err != nil {
 		return err
@@ -36,6 +38,10 @@ func (linux linux) build(params *Params) error {
 	return nil
 }
 
+func (linux linux) sign(params *Params) (string, error) {
+	return elfBinarySignature(filepath.Join(params.OutputDir, "obj", "vmlinux"))
+}
+
 func (linux) buildKernel(params *Params) error {
 	configFile := filepath.Join(params.KernelDir, ".config")
 	if err := osutil.WriteFile(configFile, params.Config); err != nil {
diff --git a/pkg/vcs/linux.go b/pkg/vcs/linux.go
index c07c6aeaa73..11142b6e874 100644
--- a/pkg/vcs/linux.go
+++ b/pkg/vcs/linux.go
@@ -21,6 +21,8 @@ type linux struct {
 	*git
 }
 
+var _ Bisecter = new(linux)
+
 func newLinux(dir string) *linux {
 	ignoreCC := map[string]bool{
 		"stable@vger.kernel.org": true,