Re: Extra metadata in the commit?

> I'm working on a hg<->git bidirectional tool using Git as the
> communication protocol, so there is a bunch of Hg metadata that I need
> to keep in Git to ensure I can convert commits created in Hg back into
> the exact same objects after they upload to the Git db and then come
> back down.  This means storing explicit rename info, branch names, etc
> somewhere without messing up Git clients that want to work on the same
> repo.  So, I can keep this data in the commit message, but I thought
> it would be cleaner to keep it as extra fields in the commit object
> before the "\n\n" separator.  Before I go too far down this road, is
> there anything horrible that might happen in any of the core Git tools
> if extra data is there?