From 8a48f8dd6802c3239d433d381228e86fc2781e29 Mon Sep 17 00:00:00 2001
From: tv <tv@krebsco.de>
Date: Mon, 24 Jun 2019 03:15:34 +0200
Subject: exim-retiolum module: replace UCL by "JSON"

---
 krebs/3modules/exim-retiolum.nix | 34 +++++++++++++++++++++++++---------
 1 file changed, 25 insertions(+), 9 deletions(-)

diff --git a/krebs/3modules/exim-retiolum.nix b/krebs/3modules/exim-retiolum.nix
index 854fdd70..89a05c8f 100644
--- a/krebs/3modules/exim-retiolum.nix
+++ b/krebs/3modules/exim-retiolum.nix
@@ -1,6 +1,15 @@
 with import <stockholm/lib>;
 { config, pkgs, lib, ... }: let
   cfg = config.krebs.exim-retiolum;
+
+  # Due to improvements to the JSON notation, braces around top-level objects
+  # are not necessary^Wsupported by rspamd's parser when including files:
+  # https://github.com/rspamd/rspamd/issues/2674
+  toMostlyJSON = value:
+    assert typeOf value == "set";
+    (s: substring 1 (stringLength s - 2) s)
+    (toJSON value);
+
 in {
   options.krebs.exim-retiolum = {
     enable = mkEnableOption "krebs.exim-retiolum";
@@ -25,12 +34,16 @@ in {
       enable = mkEnableOption "krebs.exim-retiolum.rspamd" // {
         default = false;
       };
-      local_networks = mkOption {
-        type = types.listOf types.cidr;
-        default = [
-          config.krebs.build.host.nets.retiolum.ip4.prefix
-          config.krebs.build.host.nets.retiolum.ip6.prefix
-        ];
+      locals = {
+        options = {
+          local_networks = mkOption {
+            type = types.listOf types.cidr;
+            default = [
+              config.krebs.build.host.nets.retiolum.ip4.prefix
+              config.krebs.build.host.nets.retiolum.ip6.prefix
+            ];
+          };
+        };
       };
     };
   };
@@ -38,9 +51,12 @@ in {
     {
       config = lib.mkIf cfg.rspamd.enable {
         services.rspamd.enable = true;
-        services.rspamd.locals."options.inc".text = ''
-          local_networks = ${toJSON cfg.rspamd.local_networks};
-        '';
+        services.rspamd.locals =
+          mapAttrs'
+            (name: value: nameValuePair "${name}.inc" {
+              text = toMostlyJSON value;
+            })
+            cfg.rspamd.locals;
         users.users.${config.krebs.exim.user.name}.extraGroups = [
           config.services.rspamd.group
         ];
-- 
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