#!/bin/bash

# Note: use rclone for backup, needs manually configuration.

export XDG_RUNTIME_DIR="/run/user/$(id -u)"
export DBUS_SESSION_BUS_ADDRESS="unix:path=$XDG_RUNTIME_DIR/bus"

DATA=""
DB=""
LOCAL_BACKUP="$HOME/.local/backup"
REMOTE=""
DB_USERNAME=""
DB_PASSWORD=""
DB_DATABASE=""
CONTAINER_DB=""
SERVICE=""

STAGING_DIR=$(mktemp -d)
mkdir -p $LOCAL_BACKUP
DATE=$(date +%F-%H-%M-%S)
BACKUP_NAME="backup_$DATE.tar.gz"

systemctl --user stop $SERVICE
podman exec $CONTAINER_DB pg_dump -U $DB_USERNAME -F c -d $DB_DATABASE > $STAGING_DIR/db.dump

cp -r "$DATA" "$STAGING_DIR/data"
cp -r "$DB" "$STAGING_DIR/db"
tar -czf "$LOCAL_BACKUP/$BACKUP_NAME" -C "$STAGING_DIR" .

ls -1t "$LOCAL_BACKUP"/backup_*.tar.gz | tail -n +6 | xargs -r rm --


/usr/bin/rclone sync $LOCAL_BACKUP $REMOTE > /dev/null

rm -rf $STAGING_DIR

systemctl --user start $SERVICE