#! /usr/bin/env bash

set -Eeuo pipefail
set -x

apt-get update -y && apt-get install -y rsync openssh-client keychain coreutils

# README.md /tmp/ files.l3d.ch files ./secret_ssh_key
printf "Add SSH Private Key"
mkdir ~/.ssh
chmod 700 ~/.ssh
cat $5 | sha256sum
mv $5 ~/.ssh/id_ed25519
chmod 400 ~/.ssh/id_ed25519
ssh-keyscan -t ed25519 $3 | tee -a ~/.ssh/known_hosts

printf "Adding SSH to chain"
eval $(keychain --eval --quiet id_ed25519)

printf "Starting rsync"
rsync --progress $1 $4@$3:$2