fixed order of operations

update.sh

@@ -1,18 +1,25 @@
 #!/bin/bash
+
 if test -f latest.tar.bz2; then
     rm latest.tar.bz2    #Removes incomplete or old downloads
 fi
+
 if [ -d "nextcloud.old" ]; then
     rm -r nextcloud.old    #Removes old version of nextcloud
 fi
+
 sudo -u www-data php nextcloud/occ maintenance:mode --on
-mv nextcloud nextcloud.old
+
 wget https://download.nextcloud.com/server/releases/latest.tar.bz2
+mv nextcloud nextcloud.old
 tar xf latest.tar.bz2
 rm latest.tar.bz2
+
 mv nextcloud.old/config/config.php nextcloud/config
 mv nextcloud.old/data nextcloud
+
 sudo chown www-data:www-data -R nextcloud
+
 sudo -u www-data php nextcloud/occ upgrade
 sudo -u www-data php nextcloud/occ maintenance:mode --off
 sudo -u www-data php nextcloud/occ db:add-missing-indices