#!/bin/sh

die() {
  echo >&2 "bckp-usbdrive: ${1}"
  exit 1
}

timestamp=$(date +"%Y-%m-%dT%H-%M-%S-%Z")
usb_drive="/media/rram/test"
backup_dir="${usb_drive}/backup"
snapshot_dir="${usb_drive}/snapshots/${timestamp}"

mkdir -p "$backup_dir" 2>/dev/null || die "backup dir creation failed."
mkdir -p "$snapshot_dir" 2>/dev/null || die "snapshot dir creation failed."

rsync --link-dest="${snapshot_dir}" \
      --archive                     \
      --human-readable              \
      --itemize-changes             \
      --progress                    \
      --verbose                     \
      "${HOME}/pictures"            \
      "$backup_dir"