Collect and cache metadata, run hooks on changes.

Gerrit User 9816 5f03d8e01c Create change ... Uploaded patch set 1. Patch-set: 1 Change-id: I991319689a6221b2f376a244ee14c90c91f3787d Subject: Remove old directory from exclude Branch: refs/heads/master Status: new Topic: Commit: 33e6f86e13 Tag: autogenerated:gerrit:newPatchSet Groups: 33e6f86e13 Private: false Work-in-progress: false		2023-11-28 14:05:57 +00:00