restinio: fix darwin

pkgs/by-name/re/restinio/package.nix

@@ -82,6 +82,28 @@ stdenv.mkDerivation (finalAttrs: {
 
   doCheck = true;
   enableParallelChecking = false;
+  __darwinAllowLocalNetworking = true;
+  preCheck =
+    let
+      disabledTests =
+        [ ]
+        ++ lib.optionals stdenv.hostPlatform.isDarwin [
+          # Tests that fail with error: 'unable to write: Operation not permitted'
+          "HTTP echo server"
+          "single_thread_connection_limiter"
+          "simple sendfile"
+          "simple sendfile with std::filesystem::path"
+          "sendfile the same file several times"
+          "sendfile 2 files"
+          "sendfile offsets_and_size"
+          "sendfile chunks"
+          "sendfile with partially-read response"
+        ];
+      excludeRegex = "^(${builtins.concatStringsSep "|" disabledTests})";
+    in
+    lib.optionalString (builtins.length disabledTests != 0) ''
+      checkFlagsArray+=(ARGS="--exclude-regex '${excludeRegex}'")
+    '';
 
   meta = with lib; {
     description = "Cross-platform, efficient, customizable, and robust asynchronous HTTP(S)/WebSocket server C++ library";