yunohost/data/hooks/backup/17-data_home

backup_dir="$1/data/home"
sudo mkdir -p $backup_dir

. /usr/share/yunohost/helpers

for f in $(find /home/* -type d -prune | awk -F/ '{print $NF}'); do
    if [[ ! "$f" =~ ^yunohost|lost\+found ]]; then
        ynh_bind_or_cp "/home/$f" "${backup_dir}/$f" 1
    fi
done