From af5271cd3ec6b86d7121201243c1678426e64b62 Mon Sep 17 00:00:00 2001
From: John Firebaugh <john.firebaugh@gmail.com>
Date: Tue, 27 Oct 2015 11:47:54 -0700
Subject: [PATCH] [core] Fix gdb check for CI

---
 scripts/run_tests.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/run_tests.sh b/scripts/run_tests.sh
index 692269e4f..a4af39d5a 100755
--- a/scripts/run_tests.sh
+++ b/scripts/run_tests.sh
@@ -24,7 +24,7 @@ if [ ! -d "test/node_modules/express" ]; then
     (cd test; npm install express@4.11.1)
 fi
 
-if which -s 'gdb'; then
+if command -v gdb >/dev/null 2>&1; then
     gdb -batch -return-child-result -ex 'set print thread-events off' \
         -ex 'run' -ex 'thread apply all bt' --args ${CMD} ;
 else