Fix problems introduced in two recent commits

.github/workflows/runtime.yml

@@ -176,9 +176,9 @@ jobs:
         apt-get -qq install libexpat1-dev libgd-dev libpam0g-dev \
                             libsqlite3-dev libwebp-dev libyaml-dev
 
-    - name: Enable ModPresenceDemo and an Elixir dependency
+    - name: Enable Module.Example and an Elixir dependency
       run: |
-        sed -i "s|^modules:|modules:\n  'ModPresenceDemo': {}|g" ejabberd.yml.example
+        sed -i "s|^modules:|modules:\n  'Ejabberd.Module.Example': {}|g" ejabberd.yml.example
         cat ejabberd.yml.example
         sed -i 's|^{deps, \[\(.*\)|{deps, [{decimal, ".*", {git, "https://github.com/ericmj/decimal", {branch, "main"}}},\n \1|g' rebar.config
         cat rebar.config
@@ -257,15 +257,15 @@ jobs:
         grep -q '^user3$' registered.log
         grep -q 'is started' _build/prod/rel/ejabberd/logs/ejabberd.log
         grep -q 'is stopped' _build/prod/rel/ejabberd/logs/ejabberd.log
-        grep -q 'module Presence Demo' _build/prod/rel/ejabberd/logs/ejabberd.log
+        grep -q 'Stopping Ejabberd.Module.Example' _build/prod/rel/ejabberd/logs/ejabberd.log
         test $(find _build/prod/ -empty -name error.log)
         grep -q 'is started' _build/dev/rel/ejabberd/logs/ejabberd.log
         grep -q 'is stopped' _build/dev/rel/ejabberd/logs/ejabberd.log
-        grep -q 'module Presence Demo' _build/dev/rel/ejabberd/logs/ejabberd.log
+        grep -q 'Stopping Ejabberd.Module.Example' _build/dev/rel/ejabberd/logs/ejabberd.log
         test $(find _build/dev/ -empty -name error.log)
         grep -q 'is started' /tmp/ejabberd/var/log/ejabberd/ejabberd.log
         grep -q 'is stopped' /tmp/ejabberd/var/log/ejabberd/ejabberd.log
-        grep -q 'module Presence Demo' /tmp/ejabberd/var/log/ejabberd/ejabberd.log
+        grep -q 'Stopping Ejabberd.Module.Example' /tmp/ejabberd/var/log/ejabberd/ejabberd.log
         test $(find /tmp/ejabberd/var/log/ejabberd/ -empty -name error.log)
 
     - name: View logs failures
@@ -307,9 +307,9 @@ jobs:
         echo "::remove-matcher owner=elixir-mixTestFailure::"
         echo "::remove-matcher owner=elixir-dialyzerOutputDefault::"
 
-    - name: Enable ModPresenceDemo and an Elixir dependency
+    - name: Enable Module.Example and an Elixir dependency
       run: |
-        sed -i "s|^modules:|modules:\n  'ModPresenceDemo': {}|g" ejabberd.yml.example
+        sed -i "s|^modules:|modules:\n  'Ejabberd.Module.Example': {}|g" ejabberd.yml.example
         cat ejabberd.yml.example
         sed -i 's|^{deps, \(.*\)|{deps, \1\n  {decimal, ".*", {git, "https://github.com/ericmj/decimal", {branch, "main"}}}, |g' rebar.config
         cat rebar.config
@@ -391,15 +391,15 @@ jobs:
         grep -q '^user3$' registered.log
         grep -q 'is started' _build/prod/rel/ejabberd/logs/ejabberd.log
         grep -q 'is stopped' _build/prod/rel/ejabberd/logs/ejabberd.log
-        grep -q 'module Presence Demo' _build/prod/rel/ejabberd/logs/ejabberd.log
+        grep -q 'Stopping Ejabberd.Module.Example' _build/prod/rel/ejabberd/logs/ejabberd.log
         test $(find _build/prod/ -empty -name error.log)
         grep -q 'is started' _build/dev/rel/ejabberd/logs/ejabberd.log
         grep -q 'is stopped' _build/dev/rel/ejabberd/logs/ejabberd.log
-        grep -q 'module Presence Demo' _build/dev/rel/ejabberd/logs/ejabberd.log
+        grep -q 'Stopping Ejabberd.Module.Example' _build/dev/rel/ejabberd/logs/ejabberd.log
         test $(find _build/dev/ -empty -name error.log)
         grep -q 'is started' /tmp/ejabberd/var/log/ejabberd/ejabberd.log
         grep -q 'is stopped' /tmp/ejabberd/var/log/ejabberd/ejabberd.log
-        grep -q 'module Presence Demo' /tmp/ejabberd/var/log/ejabberd/ejabberd.log
+        grep -q 'Stopping Ejabberd.Module.Example' /tmp/ejabberd/var/log/ejabberd/ejabberd.log
         test $(find /tmp/ejabberd/var/log/ejabberd/ -empty -name error.log)
 
     - name: View logs failures

src/mod_muc_admin.erl

@@ -1255,12 +1255,20 @@ muc_create_room(HostsDetails, {_, Host, _} = RoomTuple) ->
     muc_create_room(ServerHost, RoomTuple, DefRoomOpts).
 
 get_hosts_details(Rooms) ->
-    Hosts = lists:uniq([Host || {_, Host, _} <- Rooms]),
+    Hosts = lists_uniq([Host || {_, Host, _} <- Rooms]),
     lists:map(fun(H) ->
                       SH = get_room_serverhost(H),
                       {H, SH, mod_muc_opt:default_room_options(SH)}
               end, Hosts).
 
+-ifdef(OTP_BELOW_25).
+lists_uniq(List) ->
+    lists:usort(List).
+-else.
+lists_uniq(List) ->
+    lists:uniq(List).
+-endif.
+
 get_host_details(Host, ServerHostsDetails) ->
     lists:keyfind(Host, 1, ServerHostsDetails).