#! /nix/store/gik3rh1vz2jlgnifb9dh6vc6sxwwz9jj-bash-5.3p9/bin/bash
# shellcheck shell=bash

case "$1" in
  -h|--help)
    exec man nixos-version
    exit 1
    ;;
  --hash|--revision)
    if ! [[ ec942ba042dad5ef097e2ef3a3effc034241f011 =~ ^[0-9a-f]+$ ]]; then
      echo "$0: Nixpkgs commit hash is unknown" >&2
      exit 1
    fi
    echo "ec942ba042dad5ef097e2ef3a3effc034241f011"
    ;;
  --configuration-revision)
    if [[ "@configurationRevision@" =~ "@" ]]; then
      echo "$0: configuration revision is unknown" >&2
      exit 1
    fi
    echo "@configurationRevision@"
    ;;
  --json)
    cat <<EOF
{"nixosVersion":"26.05.20260528.ec942ba","nixpkgsRevision":"ec942ba042dad5ef097e2ef3a3effc034241f011"}
EOF
    ;;
  *)
    echo "26.05.20260528.ec942ba (Yarara)"
    ;;
esac
