evaluates

flake.nix

@@ -14,6 +14,10 @@
       inputs.nixpkgs.follows = "nixpkgs";
     };
     nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
+    nix-zulip = {
+      url = "git+https://git.afnix.fr/nix-zulip/nix-zulip";
+      flake = false;
+    };
     noshell = {
       url = "github:viperML/noshell";
       inputs.nixpkgs.follows = "nixpkgs";
@@ -41,6 +45,7 @@
     impermanence,
     nixos-mailserver,
     nixpkgs,
+    nix-zulip,
     noshell,
     nur,
     nvf,
@@ -48,6 +53,7 @@
     stylix,
     ...
   }: let
+    nix-zulip' = (import "${nix-zulip}/nix/default.nix" {}).output;
     machines = import ./machines.nix;
     configuration = machine: modules:
       nixpkgs.lib.nixosSystem {
@@ -63,16 +69,20 @@
             agenix.nixosModules.default
             nixos-mailserver.nixosModule
             phoenix.nixosModules.default
+            nix-zulip'.nixosModules.zulip
+            {
+              nixpkgs.overlays = [
+                agenix.overlays.default
+                nur.overlays.default
+                nix-zulip'.overlays.default
+              ];
+            }
           ];
       };
     configurationWithHomeManager = machine: (configuration machine
       [
         home-manager.nixosModules.home-manager
         {
-          nixpkgs.overlays = [
-            agenix.overlays.default
-            nur.overlays.default
-          ];
           home-manager.useGlobalPkgs = true;
           home-manager.extraSpecialArgs = {inherit machine;};
           home-manager.users =