update mirrored repos

Joel Grunbaum

2021-07-13 3413cfb34e2f7ac770c4823b08fbc4d942ae62f7

 system_backup.sh

@@ -15,6 +15,7 @@
    --one-file-system \
    --exclude-caches \
    --exclude /var/cache \
    --exclude /backup \
    \
    ::"$(date +%F)" \
    /