From 5a4462eba9066941be8178cc43027c94b6b61c78 Mon Sep 17 00:00:00 2001
From: Chinmay Chhajed <chinmay.chhajed@espressif.com>
Date: Mon, 13 Jul 2020 19:45:58 +0530
Subject: [PATCH] Save old vim configs before writing into ~/.vimrc.

If user has some vimrc already present then it will be saved as
$HOME/.oldvimrc and then new vimrc will be created.
---
 install_basic_vimrc.sh | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/install_basic_vimrc.sh b/install_basic_vimrc.sh
index 6b3142d1..fce4c001 100755
--- a/install_basic_vimrc.sh
+++ b/install_basic_vimrc.sh
@@ -1,6 +1,11 @@
 #!/bin/sh
 set -e
 
+# Save previous vimrc.
+if [ -f $HOME/.vimrc ]; then
+    mv ~/.vimrc ~/.oldvimrc
+    echo "Saved previous vimrc as $HOME/.oldvimrc"
+fi
 cd ~/.vim_runtime
 cat ~/.vim_runtime/vimrcs/basic.vim > ~/.vimrc
 echo "Installed the Basic Vim configuration successfully! Enjoy :-)"