From 50ded1daebc6cc7e133ac02912fd184aba5f642d Mon Sep 17 00:00:00 2001
From: Ulf Magnusson <ulfalizer@gmail.com>
Date: Sun, 19 May 2019 03:07:47 +0200
Subject: Make .config.old easier to discover

Mention that the old version of an overwritten configuration file is
saved to <filename>.old in a few different places, to make it easier to
discover.
---
 README.rst | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'README.rst')

diff --git a/README.rst b/README.rst
index 8315e07..3e2119e 100644
--- a/README.rst
+++ b/README.rst
@@ -164,6 +164,9 @@ Getting started
    implicit ``olddefconfig``, so building will normally not be affected by
    having an outdated configuration.
 
+Whenever ``.config`` is overwritten, the previous version of the file is saved
+to ``.config.old`` (or, more generally, to ``$KCONFIG_CONFIG.old``).
+
 For some general Kconfig advice, see `this page
 <https://docs.zephyrproject.org/latest/guides/kconfig/index.html>`__.
 
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