Delete and recreate the Assemblies staging area before each build.

build.cake

@@ -15,7 +15,7 @@ var mod_base_path = "./mod_package";
 var mod_path = $"./{mod_base_path}/{modname} [{version}]";
 var git_hash = "";
 var asm_version = "";
-var steam_folder = @"E:\Games\Steam\steamapps\common\RimWorld\Mods";
+var steam_folder = @"D:\Games\Steam\steamapps\common\RimWorld\Mods";
 
 ///////////////////////////////////////////////////////////////////////////////
 // SETUP / TEARDOWN
@@ -44,6 +44,12 @@ Task("CopyDataFolders")
   CopyDirectory("./Defs", mod_path+"/Defs");
   CopyDirectory("./Languages", mod_path+"/Languages");
   CopyDirectory("./Textures", mod_path+"/Textures");
+  CreateDirectory(mod_path+"/Assemblies");
+  DeleteDirectory(mod_path+"/Assemblies", new DeleteDirectorySettings {
+    Recursive = true,
+    Force = true
+  });
+  CreateDirectory(mod_path+"/Assemblies");
 });
 
 Task("CopyDLLs")