#! /nix/store/q7sqwn7i6w2b67adw0bmix29pxg85x3w-bash-5.3p3/bin/bash
# shellcheck shell=bash

case "$1" in
  -h|--help)
    exec man nixos-version
    exit 1
    ;;
  --hash|--revision)
    if ! [[ e643668fd71b949c53f8626614b21ff71a07379d =~ ^[0-9a-f]+$ ]]; then
      echo "$0: Nixpkgs commit hash is unknown" >&2
      exit 1
    fi
    echo "e643668fd71b949c53f8626614b21ff71a07379d"
    ;;
  --configuration-revision)
    if [[ "@configurationRevision@" =~ "@" ]]; then
      echo "$0: configuration revision is unknown" >&2
      exit 1
    fi
    echo "@configurationRevision@"
    ;;
  --json)
    cat <<EOF
{"nixosVersion":"25.11pre866707.e643668fd71b","nixpkgsRevision":"e643668fd71b949c53f8626614b21ff71a07379d"}
EOF
    ;;
  *)
    echo "25.11pre866707.e643668fd71b (Xantusia)"
    ;;
esac
