shellinabox_ynh/scripts/backup

#!/bin/bash

# Exit on command errors and treat unset variables as an error
set -eu

# Source YNH helpers
. /usr/share/yunohost/helpers

# Get multi-instances specific variables
app=$YNH_APP_INSTANCE_NAME

domain=$(ynh_app_setting_get "$app" domain)

# Backup directory location for the app from where the script is executed and 
# which will be compressed afterward
backup_dir=$YNH_APP_BACKUP_DIR

# Copy the conf files
sudo mkdir -p ./conf
ynh_backup "/etc/default/${app}" "./conf/default_${app}"
ynh_backup "/etc/nginx/conf.d/${domain}.d/${app}.conf" ./conf/nginx.conf