{
  fetchFromGitHub,
  stdenvNoCC,
  lib,
}:
let
  rev = "9bb188e2701138e03f73bacebd6b19b181ca0012";
in
stdenvNoCC.mkDerivation {
  pname = "ai_blocklist";
  version = "unstable-" + lib.substring 0 8 rev;

  src = fetchFromGitHub {
    owner = "laylavish";
    repo = "uBlockOrigin-HUGE-AI-Blocklist";
    inherit rev;
    hash = "sha256-p3wfR28DH6V8BHn9DT10d09Yq3mdbBecWwlR1CdDYUA=";
  };

  installPhase = ''
    mkdir -p $out/share
    cp noai_hosts.txt $out/share/hosts.txt

    # drop domain names
    cat $out/share/hosts.txt |
      sed 's/^0.0.0.0 //' > $out/share/domains.txt
  '';
}