Introducing the new Apps page

lib/livebook/apps/manager.ex

@@ -186,7 +186,13 @@ defmodule Livebook.Apps.Manager do
       {state, up_to_date_app_specs, schedule_sync?} ->
         case fetch_app(app_spec.slug) do
           {:ok, _state, app} when app.app_spec.version == app_spec.version ->
-            {state, [app_spec | up_to_date_app_specs], schedule_sync?}
+            if changed_app_folder?(app.app_spec, app_spec) do
+              ref = redeploy(app, app_spec)
+              state = track_deployment(state, app_spec, ref)
+              {state, up_to_date_app_specs, schedule_sync?}
+            else
+              {state, [app_spec | up_to_date_app_specs], schedule_sync?}
+            end
 
           {:ok, :reachable, app} ->
             ref = redeploy(app, app_spec)
@@ -338,4 +344,7 @@ defmodule Livebook.Apps.Manager do
       deployment.ref == ref && deployment
     end)
   end
+
+  defp changed_app_folder?(%{app_folder_id: id}, %{app_folder_id: id2}), do: id != id2
+  defp changed_app_folder?(_, _), do: false
 end

lib/livebook/apps/teams_app_spec.ex

@@ -3,7 +3,7 @@ defmodule Livebook.Apps.TeamsAppSpec do
 
   @enforce_keys [:slug, :version, :hub_id, :app_deployment_id]
 
-  defstruct [:slug, :version, :hub_id, :app_deployment_id]
+  defstruct [:slug, :version, :hub_id, :app_deployment_id, :app_folder_id]
 end
 
 defimpl Livebook.Apps.AppSpec, for: Livebook.Apps.TeamsAppSpec do

lib/livebook/hubs/team.ex

@@ -254,7 +254,8 @@ defimpl Livebook.Hubs.Provider, for: Livebook.Hubs.Team do
         slug: app_deployment.slug,
         version: app_deployment.version,
         hub_id: app_deployment.hub_id,
-        app_deployment_id: app_deployment.id
+        app_deployment_id: app_deployment.id,
+        app_folder_id: app_deployment.app_folder_id
       }
     end
   end

lib/livebook/hubs/team_client.ex

@@ -179,6 +179,8 @@ defmodule Livebook.Hubs.TeamClient do
   @spec get_app_folders(String.t()) :: list(Teams.AppFolder.t())
   def get_app_folders(id) do
     GenServer.call(registry_name(id), :get_app_folders)
+  catch
+    :exit, _ -> []
   end
 
   @doc """