nextcloud: deprecate nginx, use chgrp, mkDefault for nginx, fix tests

nixos/modules/services/web-apps/nextcloud.nix

@@ -45,6 +45,12 @@ let
   inherit (config.system) stateVersion;
 
 in {
+
+  imports = [
+    ( mkRemovedOptionModule [ "services" "nextcloud" "nginx" "enable" ]
+      "The nextcloud module dropped support for other webservers than nginx.")
+  ];
+
   options.services.nextcloud = {
     enable = mkEnableOption "nextcloud";
     hostName = mkOption {
@@ -465,7 +471,7 @@ in {
               if [ ! -e $dir ]; then
                 install -o nextcloud -g nextcloud -d $dir
               elif [ $(stat -c "%G" $dir) != "nextcloud" ]; then
-                chown -R nextcloud:nextcloud $dir
+                chgrp -R nextcloud $dir
               fi
             done
 
@@ -524,8 +530,8 @@ in {
       users.groups.nextcloud.members = [ "nextcloud" config.services.nginx.user ];
 
       environment.systemPackages = [ occ ];
-    
-      services.nginx.enable = true;
+
+      services.nginx.enable = mkDefault true;
       services.nginx.virtualHosts.${cfg.hostName} = {
         root = cfg.package;
         locations = {

nixos/tests/nextcloud/basic.nix

@@ -33,7 +33,6 @@ in {
 
       services.nextcloud = {
         enable = true;
-        nginx.enable = true;
         hostName = "nextcloud";
         config = {
           # Don't inherit adminuser since "root" is supposed to be the default

nixos/tests/nextcloud/with-mysql-and-memcached.nix

@@ -17,7 +17,6 @@ in {
       services.nextcloud = {
         enable = true;
         hostName = "nextcloud";
-        nginx.enable = true;
         https = true;
         caching = {
           apcu = true;

nixos/tests/nextcloud/with-postgresql-and-redis.nix

@@ -17,7 +17,6 @@ in {
       services.nextcloud = {
         enable = true;
         hostName = "nextcloud";
-        nginx.enable = true;
         caching = {
           apcu = false;
           redis = true;