#!/usr/bin/env bash
# Read-only host fingerprint. Does not change files, services, or packages.
set -euo pipefail

echo "uname=$(uname -srm)"
echo "bash=$(bash --version | head -1)"

if ls --version >/dev/null 2>&1; then
  echo "ls_family=gnu"
else
  echo "ls_family=not_gnu"
fi

if command -v systemctl >/dev/null 2>&1; then
  echo "systemd=present"
else
  echo "systemd=absent"
fi

if command -v rg >/dev/null 2>&1; then
  echo "rg=present"
else
  echo "rg=absent"
fi

df -h / | awk 'NR==1 || NR==2 { print }'
echo "lab=ok"