#!/bin/bash

HUB="rpi"                             # Host name of hub
rscript="/usr/local/bin/backup-server" # Script on hub
rota="${1:-daily}"                    # First argument or daily

# rotate old backup
ssh "$HUB" "$rscript" "rotate" "$HOSTNAME" "$rota"

# establish new backup directory and save in dir
dir=`ssh "$HUB" "$rscript" "prepare" "$HOSTNAME" "$rota"`

# save home directory on hub in dir
rsync -avz --delete --numeric-ids --relative --delete-excluded --link-dest="${dir/.00/.01}/" "$HOME" "$HUB:$dir"

# clean up superfluous generations
ssh "$HUB" "$rscript" "cleanup" "$HOSTNAME" "$rota" "30"