Put all files in a dir.

home/dot_config/lvim/after/indent/arduino.vim

@@ -0,0 +1,15 @@
+" Vim indent file
+" Language:	Arduino
+" Maintainer:	Kevin Sjöberg <kev.sjoberg@gmail.com>
+" Last Change:	2014 Feb 28
+
+" Only load this indent file when no other was loaded.
+if exists("b:did_indent")
+   finish
+endif
+let b:did_indent = 1
+
+" C++ indenting is built-in, thus this is very simple
+setlocal cindent
+
+let b:undo_indent = "setl cin<"