From 3567b247f43decb6fc102d5b0989d1746fce0441 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jo=C3=A3o=20Barbosa?= <joao.paulo.barbosa@gmail.com>
Date: Sun, 24 Jun 2018 18:12:07 +0100
Subject: [PATCH] test: Add lint to prevent SIGNAL/SLOT connect style

---
 test/lint/lint-qt.sh | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100755 test/lint/lint-qt.sh

diff --git a/test/lint/lint-qt.sh b/test/lint/lint-qt.sh
new file mode 100755
index 00000000000..2e77682aa24
--- /dev/null
+++ b/test/lint/lint-qt.sh
@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+#
+# Copyright (c) 2018 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+#
+# Check for SIGNAL/SLOT connect style, removed since Qt4 support drop.
+
+export LC_ALL=C
+
+EXIT_CODE=0
+
+OUTPUT=$(git grep -E '(SIGNAL|, ?SLOT)\(' -- src/qt)
+if [[ ${OUTPUT} != "" ]]; then
+    echo "Use Qt5 connect style in:"
+    echo "$OUTPUT"
+    EXIT_CODE=1
+fi
+
+exit ${EXIT_CODE}