Re: [PATCH v3] fsck: snapshot default refs before object walk

>     fsck: snapshot default refs before object walk
>     
>     Changes in v3:
>     
>      * Removed the attribution for Matthew, as per his request.
>     
>     Changes in v2, thanks to feedback & help from Peff & Junio:
>     
>      * Fixed errors in commit message
>      * Changed to use a refname, oid struct and have an array of those
>      * Snapshot command line arguments and worktree HEADs too
>      * Add TODO items for snapshotting index entries, and for possibly
>        improved reflog handling
>      * Since nothing from Matthew's original patch in GitHub's fork of git
>        remains in this patch by v2 (only a little of it remained in v1), I
>        changed authorship to myself and gave Matthew an
>        Originally-based-on-a-patch-by trailer.