Let's suppose that I've manually modified files in .git/annex/objects, for example I ran an rsync or some other file synchronization software to copy files. As a result, some objects have disappeared, others have appeared. After that git annex whereis .' displays stale information, it doesn't take the manual modifications to accound.git annex fsck' seems to fix this, but it runs the rehashing of all new files, so it's slow. Is there a fast alternative, which notices all the object file changes, trusts them, and just updates .git/annex/index quickly?