# HG changeset patch
# User Andrey Skvortsov <andrej.skvortzov@gmail.com>
# Date 1528556386 -10800
# Node ID 63591802d3e2d080f84aef7b361acb7061944dc5
# Parent  eeca1aff06917549929ba170b4bc920602704a41
check_source.sh: handle case if there are no files to check

diff -r eeca1aff0691 -r 63591802d3e2 tests/tools/check_source.sh
--- a/tests/tools/check_source.sh	Sat Jun 09 17:14:56 2018 +0300
+++ b/tests/tools/check_source.sh	Sat Jun 09 17:59:46 2018 +0300
@@ -322,7 +322,11 @@
             echo "Only changes will be checked"
             echo ""
             py_files=$(hg status -m -a -n -I '**.py')
-        fi
+            if [ -z "$py_files" ]; then
+                echo "No files to check"
+                exit 0;
+            fi
+       fi
     fi
 }