Finding alternate object directories on open

Git 2.11 introduced a change such that incoming objects in a push are sequestered in an "alternate object directory." It appears that libgit2 supports opening repositories with these directories, taking certain environment variables into consideration, but the latest pygit2 does not invoke the appropriate function (git_repository_open_ext() from what I can tell). Am I correct in this assessment? Is there a way to work around this with the current code, or is a patch necessary?

If that didn't make sense, let me explain at a higher level: I'm writing a receive hook in Python and using pygit2 to examine the incoming commits. With versions of Git prior to 2.11 this is not a problem since the incoming objects are stored directly in the odb. However, now they are located elsewhere and pygit2 does not see them.

まず、pygit2 がリポジトリを開く方法を追跡し、その経路を libgit2 の git_repository_open_ext() と比較します。issue に記載されている環境変数も含めてください。受信オブジェクトが別のオブジェクトディレクトリに存在する receive-hook のケースを検証します。pygit2 でそれらのコミットを調査できれば完了です。