pkgs/prometheus-node-exporter: upgrade to 1.8.1

pkgs/prometheus-node-exporter/default.nix

@@ -1,23 +1,27 @@
-{ lib, buildGoModule, fetchFromGitHub, nixosTests
+{ lib, stdenv, buildGoModule, fetchFromGitHub, nixosTests
+  # darwin
+  , CoreFoundation, IOKit
 }:
 
 buildGoModule rec {
   pname = "node_exporter";
-  version = "1.6.1";
+  version = "1.8.1";
   rev = "v${version}";
 
   src = fetchFromGitHub {
     inherit rev;
     owner = "prometheus";
     repo = "node_exporter";
-    sha256 = "sha256-BCZLMSJP/63N+pZsK8er87Zem7IFGdkyruDs6UVDZSM=";
+    hash = "sha256-dg4JSJx5xXEOLLb5xEgrNeDmh/En9G6qKA9G+3v9PH0=";
   };
 
-  vendorHash = "sha256-hn2cMKhLl5qsm4sZErs6PXTs8yajowxw9a9vtHe5cAk=";
+  vendorHash = "sha256-sly8AJk+jNZG8ijTBF1Pd5AOOUJJxIG8jHwBUdlt8fM=";
 
   # FIXME: tests fail due to read-only nix store
   doCheck = false;
 
+  buildInputs = lib.optionals stdenv.isDarwin [ CoreFoundation IOKit ];
+
   excludedPackages = [ "docs/node-mixin" ];
 
   ldflags = [
@@ -34,9 +38,9 @@ buildGoModule rec {
 
   meta = with lib; {
     description = "Prometheus exporter for machine metrics";
+    mainProgram = "node_exporter";
     homepage = "https://github.com/prometheus/node_exporter";
     changelog = "https://github.com/prometheus/node_exporter/blob/v${version}/CHANGELOG.md";
-    mainProgram = "node_exporter";
     license = licenses.asl20;
     maintainers = with maintainers; [ benley fpletz globin Frostman ];
   };