1 files changed, 8 insertions, 0 deletions
diff --git a/shard/lib/manager.ex b/shard/lib/manager.ex
index 990bcea..c178e2f 100644
--- a/shard/lib/manager.ex
+++ b/shard/lib/manager.ex
@@ -17,6 +17,11 @@ defprotocol Shard.Manifest do
   Get the module in question.
   """
   def module(manifest)
+
+  @doc"""
+  Check if manifest is valid
+  """
+  def is_valid?(manifest)
 end
 
 defmodule Shard.Manager do
@@ -189,6 +194,8 @@ defmodule Shard.Manager do
   end
 
   defp find_or_start(state, shard_id, manifest) do
+    true = Shard.Manifest.is_valid?(manifest)
+
     case :dets.lookup(@shard_db, shard_id) do
       [] ->
         :dets.insert(@shard_db, {shard_id, manifest, cached(), nil})
@@ -200,6 +207,7 @@ defmodule Shard.Manager do
     case :ets.lookup(:shard_procs, {shard_id, nil}) do
       [] ->
         {:ok, pid} = apply(Shard.Manifest.module(manifest), :start_link, [manifest])
+        GenServer.cast(pid, :send_deps)
         :ets.insert(:shard_procs, {{shard_id, nil}, pid})
         state = Map.put(state, pid, {shard_id, nil})
         {pid, state}