From: Shengjing Zhu <zhsj@debian.org>
Date: Mon, 13 Jul 2020 00:53:42 +0800
Subject: only enable telemetry when CHECKPOINT_DISABLE is 0

---
 packer/telemetry.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packer/telemetry.go b/packer/telemetry.go
index 6ab8a34..a8b255e 100644
--- a/packer/telemetry.go
+++ b/packer/telemetry.go
@@ -32,7 +32,7 @@ type CheckpointTelemetry struct {
 }
 
 func NewCheckpointReporter(disableSignature bool) *CheckpointTelemetry {
-	if disabled := os.Getenv("CHECKPOINT_DISABLE"); disabled != "" {
+	if disabled := os.Getenv("CHECKPOINT_DISABLE"); disabled != "0" {
 		return nil
 	}