nix/flake.lock

{
  "nodes": {
    "nixpkgs": {
      "locked": {
        "lastModified": 1602702596,
        "narHash": "sha256-fqJ4UgOb4ZUnCDIapDb4gCrtAah5Rnr2/At3IzMitig=",
        "owner": "NixOS",
        "repo": "nixpkgs",
        "rev": "ad0d20345219790533ebe06571f82ed6b034db31",
        "type": "github"
      },
      "original": {
        "id": "nixpkgs",
        "ref": "nixos-20.09-small",
        "type": "indirect"
      }
    },
    "root": {
      "inputs": {
        "nixpkgs": "nixpkgs"
      }
    }
  },
  "root": "root",
  "version": 7
}