From 155d5417d91603f3cfb669da4eaa5eeba0f44273 Mon Sep 17 00:00:00 2001
From: Joost VandeVondele <Joost.VandeVondele@gmail.com>
Date: Tue, 8 May 2018 10:31:20 +0200
Subject: [PATCH] Improve signature script

Catch case of missing bench, indicative of a crash or assert.

No functional change
---
 tests/signature.sh | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/tests/signature.sh b/tests/signature.sh
index 00fd2dc9..6f5957a4 100755
--- a/tests/signature.sh
+++ b/tests/signature.sh
@@ -16,7 +16,11 @@ signature=`./stockfish bench 2>&1 | grep "Nodes searched  : " | awk '{print $4}'
 if [ $# -gt 0 ]; then
    # compare to given reference
    if [ "$1" != "$signature" ]; then
-      echo "signature mismatch: reference $1 obtained $signature"
+      if [ "x$1" == "x" ]; then
+         echo "No signature obtained from bench. Code crashed or assert triggered ?"
+      else
+         echo "signature mismatch: reference $1 obtained: $signature ."
+      fi
       exit 1
    else
       echo "signature OK: $signature"
-- 
2.39.2