{ config, pkgs, lib, ... }:
let
  nixos-conf-editor = import (pkgs.fetchFromGitHub {
    owner = "vlinkz";
    repo = "nixos-conf-editor";
    rev = "0.1.1";
    sha256 = "sha256-TeDpfaIRoDg01FIP8JZIS7RsGok/Z24Y3Kf+PuKt6K4=";
  }) {};
in
{
  environment.systemPackages =
  with pkgs; [
    nixos-conf-editor
    # rest of your packages
  ];
}

nixos-conf-editor-0.1.1-vendor.tar.gz> building '/nix/store/mwdwhrb58iig3qs4gzzksl9vlh9nsx2k-nixos-conf-editor-0.1.1-vendor.tar.gz.drv'
nixos-conf-editor-0.1.1-vendor.tar.gz> unpacking sources
nixos-conf-editor-0.1.1-vendor.tar.gz> unpacking source archive /nix/store/w9cj7n6p0ls01x9wx4rm5ym4xn59xhzw-d0ddxbyalkfbxdbnfa6xprl8g87n8zn1-source
nixos-conf-editor-0.1.1-vendor.tar.gz> source root is d0ddxbyalkfbxdbnfa6xprl8g87n8zn1-source
nixos-conf-editor-0.1.1-vendor.tar.gz> patching sources
nixos-conf-editor-0.1.1-vendor.tar.gz> configuring
nixos-conf-editor-0.1.1-vendor.tar.gz> no configure script, doing nothing
nixos-conf-editor-0.1.1-vendor.tar.gz> building
nixos-conf-editor-0.1.1-vendor.tar.gz> source = "git+https://github.com/snowflakelinux/nix-data#a75a234c2ffa661b6d3f6d276dc372677e5e2c74"
nixos-conf-editor-0.1.1-vendor.tar.gz> 
nixos-conf-editor-0.1.1-vendor.tar.gz> ERROR: The Cargo.lock contains git dependencies
nixos-conf-editor-0.1.1-vendor.tar.gz> 
nixos-conf-editor-0.1.1-vendor.tar.gz> This is currently not supported in the fixed-output derivation fetcher.
nixos-conf-editor-0.1.1-vendor.tar.gz> Use cargoLock.lockFile / importCargoLock instead.
nixos-conf-editor-0.1.1-vendor.tar.gz> 
error: builder for '/nix/store/mwdwhrb58iig3qs4gzzksl9vlh9nsx2k-nixos-conf-editor-0.1.1-vendor.tar.gz.drv' failed with exit code 1
error: 1 dependencies of derivation '/nix/store/rdd0p9akqczj2dbw95i5yi2c70wj6dk5-nixos-conf-editor-0.1.1.drv' failed to build
error: 1 dependencies of derivation '/nix/store/5rdwrqk7kfbh0w3nif2a6l8sfwiq80z3-system-path.drv' failed to build
error: 1 dependencies of derivation '/nix/store/wv3k9sw16asrs4yvvpk881g4kc4rsjr7-system-path.drv' failed to build
error: 1 dependencies of derivation '/nix/store/ln2c1j40911v3bg2fflz55cdg866l2ln-nixos-system-nixos-23.05pre469482.e3652e0735f.drv' failed to build

git clone https://github.com/vlinkz/nixos-conf-editor
nix-env -f nixos-conf-editor -i nixos-conf-editor