From 72b0867dd2acabf76cd50ec2386bf1db6bd3ffad Mon Sep 17 00:00:00 2001
From: Simone Basso <bassosimone@gmail.com>
Date: Fri, 22 Feb 2019 00:28:44 +0000
Subject: [PATCH] Behave like MK when there is no input

---
 mkreport.hpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/mkreport.hpp b/mkreport.hpp
index dca8142..ae5215a 100644
--- a/mkreport.hpp
+++ b/mkreport.hpp
@@ -239,7 +239,11 @@ bool dump(const Measurement &measurement, std::string &str,
   m["annotations"] = measurement.report.annotations;
   m["data_format_version"] = "0.2.0";
   m["id"] = mk::uuid4::gen();
-  m["input"] = measurement.input;
+  if (!measurement.input.empty()) {
+    m["input"] = measurement.input;
+  } else {
+    m["input"] = nullptr;
+  }
   m["input_hashes"] = nlohmann::json::array();  // conventional value
   m["measurement_start_time"] = measurement.start_time;
   m["options"] = nlohmann::json::array();  // conventional value