add a helpful error message

diff --git a/contrib/utilities/query_testsuite b/contrib/utilities/query_testsuite
index b69414c2816db174026b95e13c48a16b26b9041e..ce5b6dea38a451fd84a0250a5930362e2331a5fe 100755 (executable)
--- a/contrib/utilities/query_testsuite
+++ b/contrib/utilities/query_testsuite
@@ -51,6 +51,12 @@ until [[ "$*" == "" ]]; do
   shift
 done
 
+if [ -z "$(command -v jq)" ]; then
+  echo "Error: need jq executable in path"
+  echo "Please install jq (sudo apt install jq, sudo yum install jq)"
+  exit 1
+fi
+
 query_testsuite() {
 
   echo "| Host | Configuration | Commit | Build errors | Build warnings | Failing tests | Passing tests |"