From 4cd681218cb9884234cc69314619ad5bd145fd30 Mon Sep 17 00:00:00 2001
From: stuebinm
Date: Tue, 9 Mar 2021 16:06:09 +0100
Subject: Added option to switch whole packageset to module

Since there are now multiple packaged versions of workadventure, all
of which come in a set with the same attribute names, it seems reasonable
to just plug those sets into the module, instead of each package individually.
---
 instance-options.nix | 34 +++++++++-------------------------
 workadventure.nix    | 10 ++++++----
 2 files changed, 15 insertions(+), 29 deletions(-)

diff --git a/instance-options.nix b/instance-options.nix
index 6c3d6f2..c01932e 100644
--- a/instance-options.nix
+++ b/instance-options.nix
@@ -6,7 +6,13 @@ with lib;
 with pkgs;
 {
   options = rec {
-    
+
+    packageset = mkOption {
+      default = workadventure-tcm;
+      type = types.attrs;
+      description = "The package set to use. It should contain a front, backend, pusher, and maps package.";
+    };
+
     backend = {
       enable = mkOption {
         default = true;
@@ -24,13 +30,6 @@ with pkgs;
         type = types.ints.u16;
         description = "The TCP port the backend will bind to for grpc";
       };
-
-      package = mkOption {
-        default = workadventure-tcm.back;
-        defaultText = "third_party.workadventure-nix.back";
-        type = types.package;
-        description = "Backend package to use";
-      };
     };
 
     pusher = {
@@ -44,23 +43,9 @@ with pkgs;
         type = types.ints.u16;
         description = "The TCP port the pusher will bind to";
       };
-
-      package = mkOption {
-        default = workadventure-tcm.pusher;
-        defaultText = "third_party.workadventure-nix.pusher";
-        type = types.package;
-        description = "Pusher package to use";
-      };
     };
 
     frontend = {
-      package = mkOption {
-        default = workadventure-tcm.front;
-        defaultText = "third_party.workadventure-nix.front";
-        type = types.package;
-        description = "Front package to use";
-      };
-      
       debugMode = mkOption {
         default = false;
         description = "Whether or not to run the frontend in debug mode";
@@ -238,9 +223,8 @@ with pkgs;
         };
         path = mkOption {
           default = workadventure-tcm.maps.outPath + "/workadventuremaps/";
-          defaultText = "third_party.workadventure-nix.maps";
-          type = types.path;
-          description = "Maps package to use";
+          type = types.nullOr types.path;
+          description = "Path to a directory which should be served under /maps. If maps are enabled and this path set to null, the default maps provided in the packageset are used instead.";
         };
       };
     };
diff --git a/workadventure.nix b/workadventure.nix
index f73cab8..c972d40 100644
--- a/workadventure.nix
+++ b/workadventure.nix
@@ -56,7 +56,7 @@ let
           User = "workadventure-backend";
           Group = "workadventure-backend";
           DynamicUser = true; # Note: this implies a lot of other security features.
-          ExecStart = "${instanceConfig.backend.package}/bin/workadventureback";
+          ExecStart = "${instanceConfig.packageset.back}/bin/workadventureback";
           Restart = "always";
           RestartSec = "10s";
         };
@@ -83,7 +83,7 @@ let
           User = "workadventure-pusher";
           Group = "workadventure-pusher";
           DynamicUser = true;
-          ExecStart = "${instanceConfig.pusher.package}/bin/workadventurepusher";
+          ExecStart = "${instanceConfig.packageset.pusher}/bin/workadventurepusher";
           Restart = "always";
           RestartSec = "10s";
         };
@@ -95,7 +95,7 @@ let
     let fc = instanceConfig.frontend;
         cc = instanceConfig.commonConfig;
     in
-    fc.package.override {
+    instanceConfig.packageset.front.override {
       environment = {
         DEBUG_MODE = if fc.debugMode then "true" else "false"; # toString bool behaves weird
         START_ROOM_URL = fc.startRoomUrl;
@@ -136,7 +136,9 @@ let
         };
 
         "/maps/" = mkIf instanceConfig.nginx.maps.serve {
-          alias = instanceConfig.nginx.maps.path;
+          alias = if instanceConfig.nginx.maps.path == null
+                  then instanceConfig.packageset.maps.outPath + "/workadventuremaps"
+                  else instanceConfig.nginx.maps.path;
         };
       };
     }
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