From cdd7486175b51d6315967b2e0163e7ef0c4cedca Mon Sep 17 00:00:00 2001
From: Ivan Blinkov <github@blinkov.ru>
Date: Fri, 21 Dec 2018 22:35:15 +0300
Subject: [PATCH] additional check in markdown extension

---
 docs/tools/mdx_clickhouse.py | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/docs/tools/mdx_clickhouse.py b/docs/tools/mdx_clickhouse.py
index 8f72d4eec2f..ae57d1309e6 100755
--- a/docs/tools/mdx_clickhouse.py
+++ b/docs/tools/mdx_clickhouse.py
@@ -43,9 +43,10 @@ class ClickHouseLinkPattern(ClickHouseLinkMixin, markdown.inlinepatterns.LinkPat
 
 class ClickHousePreprocessor(markdown.util.Processor):
     def run(self, lines):
-        for line in lines:
-            if '<!--hide-->' not in line:
-                yield line
+        if os.getenv('QLOUD_TOKEN'):
+            for line in lines:
+                if '<!--hide-->' not in line:
+                    yield line
 
 
 class ClickHouseMarkdown(markdown.extensions.Extension):