Jq cannot parse users-groups.json

nixinator · December 22, 2020, 4:19am

Just having deep dive into the weeds of nix/OS and do some learning.

Seems

NixOS/nixpkgs/blob/af5b6f9ffdb8fd89776b110cfcd145932a2a8439/nixos/modules/config/users-groups.nix

{ config, lib, utils, pkgs, ... }:

with lib;

let
  ids = config.ids;
  cfg = config.users;

  # Check whether a password hash will allow login.
  allowsLogin = hash:
    hash == "" # login without password
    || !(lib.elem hash
      [ null   # password login disabled
        "!"    # password login disabled
        "!!"   # a variant of "!"
        "*"    # password unset
      ]);

  passwordDescription = ''
    The options <option>hashedPassword</option>,

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writes it’s results to a json file

 spec = pkgs.writeText "users-groups.json" (builtins.toJSON {

trying to parse this output with jq fails with

jq: error: syntax error, unexpected IDENT, expecting $end (Unix shell quoting issues?) at , line 1:
834saalk8s897bznwk8qm93l5lcqhyn3-users-groups.json
jq: 1 compile error

i presume that the json that builtins.toJSON is not exactly what jq likes?

dramforever · December 22, 2020, 6:03am

What’s your jq command like? It sounds like you are trying to execute the file name as a jq expression.

Can you try this?

jq < that-file.json