Add safeguards to cron job so that website does not get deleted without having replacement files.

Config/HugoExample/files/hugo.cronjob.sh

@@ -2,9 +2,10 @@
 
 cd /var/www/hugo/site
 
-git pull
-
-hugo --gc --minify
+git pull && hugo --gc --minify
+status="$?"
 
+if [[ $status == 0 && -e public/* ]]; then
 	rm -rfv /var/www/html/*
-cp -rfv public/* /var/www/html/
+	mv -rfv public/* /var/www/html/
+fi