function backup-home() {
  local archive="$1"
  local target="$2"
  local hostname
  local date

  if [[ -z "$1" ]]; then
    archive="$(grep -E '^ID=' /etc/os-release | cut -d'=' -f2)$(grep -E '^VERSION_ID=' /etc/os-release | cut -d'=' -f2)"
    if [[ -z "$archive" ]]; then
      archive="latest"
    fi
  fi

  if [[ -z "$2" ]]; then
    if [[ -d "/mnt/storage/psi-jack/Backups" ]]; then
      target="/mnt/storage/psi-jack/Backups"
    else
      target="/home/psi-jack/Backups"
    fi
  fi

  if [[ -f "/etc/hostname" ]]; then
    hostname=$(< /etc/hostname)
  else
    hostname=$(hostname)
  fi

  date=$(date +"%Y-%m-%d")

  mkdir -p "${target}/${archive}/${hostname}"

  pushd /home &>/dev/null
  tar --exclude=psi-jack/.local/share/Steam \
      --exclude=psi-jack/.local/share/bottles \
      --exclude=psi-jack/.local/share/lutris \
      --exclude=psi-jack/Games \
      --exclude=psi-jack/Downloads \
      --exclude=psi-jack/"GOG Games" \
      --exclude=psi-jack/ISO \
      --exclude=psi-jack/Music \
      --exclude=psi-jack/Vaults \
      --exclude=psi-jack/tmp \
      --exclude=psi-jack/.cache \
      --exclude=psi-jack/.firestorm_x64/cache \
      --exclude=psi-jack/.thunderbird \
      --exclude=psi-jack/.var \
      -cvvf "${target}/${archive}/${hostname}/${hostname}-${date}_home.tar" \
      psi-jack
  zstd --rm -6 "${target}/${archive}/${hostname}/${hostname}-${date}_home.tar"
  popd &>/dev/null
}

function backup-system() {
  local archive="$1"
  local target="$2"
  local hostname
  local date

  if [[ -z "$1" ]]; then
    archive="$(grep -E '^ID=' /etc/os-release | cut -d'=' -f2)$(grep -E '^VERSION_ID=' /etc/os-release | cut -d'=' -f2)"
    if [[ -z "$archive" ]]; then
      archive="latest"
    fi
  fi

  if [[ -z "$2" ]]; then
    if [[ -d "/mnt/storage/psi-jack/Backups" ]]; then
      target="/mnt/storage/psi-jack/Backups"
    else
      target="/home/psi-jack/Backups"
    fi
  fi

  if [[ -f "/etc/hostname" ]]; then
    hostname=$(< /etc/hostname)
  else
    hostname=$(hostname)
  fi

  date=$(date +"%Y-%m-%d")

  mkdir -p "${target}/${archive}/${hostname}"

  pushd / &>/dev/null
  sudo tar -cvvf "${target}/${archive}/${hostname}/${hostname}-${date}_system.tar" etc root
  sudo chown psi-jack: "${target}/${archive}/${hostname}/${hostname}-${date}_system.tar"
  zstd --rm -6 "${target}/${archive}/${hostname}/${hostname}-${date}_system.tar"
  popd &>/dev/null
}