[Updater] Save diff files into subdirectory

update.sh

@@ -328,8 +328,11 @@ if [[ ! "$response" =~ ^([yY][eE][sS]|[yY])+$ ]]; then
   exit 0
 fi
 
-DIFF_FILE=diff_before_update_$(date +"%Y-%m-%d-%H-%M-%S")
+DIFF_DIRECTORY=update_diffs
+DIFF_FILE=${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
 git diff --stat > ${DIFF_FILE}
 git diff >> ${DIFF_FILE}