/// <summary>
/// Applies each of the item modifications in order.
/// Items are replaced with a virtual clone before they are modified.
/// If an item does not exist in this group, the modification is skipped.
/// If any modifications conflict, these modifications win.
/// Returns the cloned item made, or null if it does not exist in this group.
/// </summary>
internal BuildItem ModifyItemAfterCloningUsingVirtualMetadata(BuildItem item, Dictionary<string, string> metadata)
{
int index = items.IndexOf(item);
if (index > -1)
{
BuildItem clone = items[index].VirtualClone();
items[index] = clone;
foreach (KeyValuePair<string, string> pair in metadata)
{
clone.SetVirtualMetadata(pair.Key, pair.Value);
}
return clone;
}
return null;
}
