From bb00d588ad167dccb378a9d61f4d9975c681a74c Mon Sep 17 00:00:00 2001
From: Lars Bilke <lars.bilke@ufz.de>
Date: Wed, 14 Feb 2018 15:57:07 +0100
Subject: [PATCH] [clang-tidy] Explained hack a bit.

---
 ThirdParty/.clang-tidy | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/ThirdParty/.clang-tidy b/ThirdParty/.clang-tidy
index 62160a2d11d..8cd40d73ca6 100644
--- a/ThirdParty/.clang-tidy
+++ b/ThirdParty/.clang-tidy
@@ -1,3 +1,6 @@
 ---
-# Disable all checks, one check has to be enabled (hack)
+# Disable all checks, one check has to be enabled.
+# Hack: if there is no enabled check clang-tidy (at least in the way it is
+# invoked by CMake) prints out its own usage instructions. I have chosen an
+# arbitrary check here.
 Checks: '-*,boost-use-to-string'
-- 
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