#!/bin/sh
set -eu
case "${1:-}" in
  --version) printf '%s\n' 'avg-healthcheck 1.0.0'; exit 0 ;;
  '') ;;
  *) printf '%s\n' 'Usage: avg-healthcheck [--version]' >&2; exit 1 ;;
esac
printf 'host=%s\n' "$(hostname)"
if ! df -P /; then
  printf '%s\n' 'Cannot read filesystem statistics' >&2
  exit 2
fi
