From 44eaf1db22867f3d300ab49d14d8161afc3417c5 Mon Sep 17 00:00:00 2001
From: Ivan Kravets <me@ikravets.com>
Date: Thu, 7 May 2015 17:02:53 +0100
Subject: [PATCH] Document PLATFORMIO_CI_SRC environment variable

---
 docs/userguide/cmd_ci.rst | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/docs/userguide/cmd_ci.rst b/docs/userguide/cmd_ci.rst
index a9b7b153..a036d2e7 100644
--- a/docs/userguide/cmd_ci.rst
+++ b/docs/userguide/cmd_ci.rst
@@ -41,6 +41,11 @@ easily.
     which can be a path to directory, file or
     `Glob Pattern <http://en.wikipedia.org/wiki/Glob_(programming)>`_.
 
+.. note::
+    You can omit ``SRC`` argument and set path (multiple paths are allowed
+    denoting with ``:``) to
+    ``PLATFORMIO_CI_SRC`` `Environment variable <http://en.wikipedia.org/wiki/Environment_variable>`_
+
 Options
 -------