From 8160e36804700f83f0eca4b7ca6ed60d53433d80 Mon Sep 17 00:00:00 2001
From: Daniel Gibbs <me@danielgibbs.co.uk>
Date: Sat, 27 Feb 2016 11:57:21 +0000
Subject: [PATCH] prevent from deleting everything if no var

---
 functions/update_functions.sh | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/functions/update_functions.sh b/functions/update_functions.sh
index e205dd901..970dc9773 100644
--- a/functions/update_functions.sh
+++ b/functions/update_functions.sh
@@ -12,8 +12,17 @@ fn_printdots "Updating functions"
 fn_scriptlog "Updating functions"
 sleep 1
 echo -ne "\n"
-rm -rfv "${functionsdir}/"*
-exitcode=$?
+if [ -d "${rootdir}/functions/" ]; then
+	rm -rfv "${rootdir}/functions/"
+	exitcode=$?
+elif [ -z "${functionsdir}" ]; then
+	rm -rfv "${functionsdir}/"*
+	exitcode=$?
+else
+	fn_printfail "Updating functions"
+	fn_scriptlog "Failure! Updating functions"	
+fi
+
 if [ "${exitcode}" == "0" ]; then
 	fn_printok "Updating functions"
 	fn_scriptlog "Success! Updating functions"