Re: [PATCH v2 2/3] fast-export: improve speed by skipping blobs

> By discarding marks on blobs, we may be robbing some optimization
> possibilities, and by discarding marks on tags, we may be robbing
> some features, from users of fast-export; we might want to add an
> option "--use-object-marks={blob,commit,tag}" or something to both
> fast-export and fast-import, so that the former can optionally write
> marks for non-commits out, and the latter can omit non commit marks
> if the user do not need them. But that is a separate issue.