Ignore files which are ignored by clone alias.

files/scripts/backup_system.sh

@@ -46,7 +46,8 @@ echo "*** Creating backup at '$BACKUP' ***"
 sudo zip -rv "$BACKUP" \
 	/etc /var/{log,mail,spool} /srv /boot \
 	/usr/local/etc $EXTRA \
-	-x "/srv/backup/*" -x "/srv/sftp/*"
+	-x "/srv/backup/*" -x "/srv/sftp/*" \
+	-x "*/.gradle/" -x "*/app/build/*"
 status="$?"
 
 if [[ "$status" != 0 ]]; then
@@ -68,7 +69,8 @@ sleep 5
 
 echo "*** Creating backup at '$BACKUP2' ***"
 sudo zip -rv "$BACKUP2" \
-	/root /home /srv/sftp
+	/root /home /srv/sftp \
+	-x "*/.gradle/" -x "*/app/build/*"
 status="$?"
 
 if [[ "$status" != 0 ]]; then