Start scripts in attachments only after a successful attach. Elimininate

a gratuitious asset fetch when region crossing.

OpenSim/Region/Environment/Scenes/Scene.Inventory.cs

@@ -2088,10 +2088,11 @@ namespace OpenSim.Region.Environment.Scenes
                             }
 
                             // Fire on_rez
-                            group.CreateScriptInstances(0, true, DefaultScriptEngine, 0);
-
                             if (!attachment)
+                            {
+                                group.CreateScriptInstances(0, true, DefaultScriptEngine, 0);
                                 rootPart.ScheduleFullUpdate();
+                            }
 
                             if (!Permissions.BypassPermissions())
                             {

OpenSim/Region/Environment/Scenes/SceneGraph.cs

@@ -472,6 +472,10 @@ namespace OpenSim.Region.Environment.Scenes
                 objatt.ScheduleGroupForFullUpdate();
                 if (tainted)
                     objatt.HasGroupChanged = true;
+
+                // Fire after attach, so we don't get messy perms dialogs
+                //
+                objatt.CreateScriptInstances(0, true, m_parentScene.DefaultScriptEngine, 0);
             }
             return objatt;
         }

OpenSim/Region/Environment/Scenes/SceneObjectPartInventory.cs

@@ -241,6 +241,15 @@ namespace OpenSim.Region.Environment.Scenes
 
             if (!m_part.ParentGroup.Scene.RegionInfo.RegionSettings.DisableScripts)
             {
+                if (stateSource == 1) // Prim crossing
+                {
+                    m_items[item.ItemID].PermsMask = 0;
+                    m_items[item.ItemID].PermsGranter = UUID.Zero;
+                    m_part.ParentGroup.Scene.EventManager.TriggerRezScript(
+                        m_part.LocalId, item.ItemID, String.Empty, startParam, postOnRez, engine, stateSource);
+                    m_part.ParentGroup.AddActiveScriptCount(1);
+                    m_part.ScheduleFullUpdate();
+                }
                 AssetCache cache = m_part.ParentGroup.Scene.AssetCache;
 
                 cache.GetAsset(item.AssetID, delegate(UUID assetID, AssetBase asset)

OpenSim/Region/ScriptEngine/Interfaces/IScriptInstance.cs

@@ -40,7 +40,7 @@ namespace OpenSim.Region.ScriptEngine.Interfaces
     {
         NewRez = 0,
         PrimCrossing = 1,
-        ScriptedRez= 2
+        ScriptedRez = 2
     }
 
     public interface IScriptWorkItem

OpenSim/Region/ScriptEngine/Shared/CodeTools/Compiler.cs

@@ -286,6 +286,18 @@ namespace OpenSim.Region.ScriptEngine.Shared.CodeTools
                 }
             }
 
+            if (Script == String.Empty)
+            {
+                if (File.Exists(OutFile))
+
+                {
+                    m_scriptEngine.Log.DebugFormat("[Compiler] Returning existing assembly for {0}", asset);
+                    return OutFile;
+                }
+
+                throw new Exception("Cannot find script assembly and no script text present");
+            }
+
             enumCompileType l = DefaultCompileLanguage;
 
             if (Script.StartsWith("//c#", true, CultureInfo.InvariantCulture))