From 91090280d0ee11915ecafbd00c4d881c8c214e9d Mon Sep 17 00:00:00 2001
From: Raoul Bhatia <raoul@bhatia.at>
Date: Sat, 22 Feb 2020 11:15:47 +0100
Subject: [PATCH] [Update] Display git diff save message only when local
 changes exist (#3351)

---
 update.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/update.sh b/update.sh
index 6921fd57..419c36b3 100755
--- a/update.sh
+++ b/update.sh
@@ -367,10 +367,10 @@ fi
 
 DIFF_DIRECTORY=update_diffs
 DIFF_FILE=${DIFF_DIRECTORY}/diff_before_update_$(date +"%Y-%m-%d-%H-%M-%S")
-echo -e "\e[32mSaving diff to ${DIFF_FILE}...\e[0m"
-mkdir -p ${DIFF_DIRECTORY}
 mv diff_before_update* ${DIFF_DIRECTORY}/ 2> /dev/null
 if ! git diff-index --quiet HEAD; then
+  echo -e "\e[32mSaving diff to ${DIFF_FILE}...\e[0m"
+  mkdir -p ${DIFF_DIRECTORY}
   git diff --stat > ${DIFF_FILE}
   git diff >> ${DIFF_FILE}
 fi