#!/usr/bin/env bash

set -eu

date_ts=$(date +%s)
backupdir=/opt/backuptest
static_file=$backupdir/file-static-1
append_file=$backupdir/file-append-1
checksums_file=$backupdir/checksums.sha256
ts_file=$backupdir/file-ts-$date_ts

if ! [ -f $static_file ]; then
  echo "static" > $static_file
fi

echo "$date_ts" >> $append_file

echo "$date_ts" > "$ts_file"

cd $backupdir
sha256sum file-* > $checksums_file