On Tue, Aug 14, 2018 at 11:03:10AM -0400, Jeff King wrote: > > Hmm. I hoped that my commit message was enough to indicate that while he > > is the author, I assembled this. Maybe I should move him to the footer, as > > an Original-Authored-By:? > > I think the "Author" field is actually distinct from the copyright > provenance. In this case it ought to be perfectly fine to add your > signed-off-by under the DCO's point b: > > The contribution is based upon previous work that, to the best > of my knowledge, is covered under an appropriate open source > license and I have the right under that license to submit that > work with modifications [...] > > This is based on the tests in tbdiff, which is explicitly GPL'd by > Thomas. So your signoff certifies that, which is fine. > > As for the author field, IMHO it serves two purposes: > > - to give credit where it is due > > - so that people digging in history know who to contact for > questions/problems > > In this case it probably makes sense for it to be you, as you'd take > responsibility for the code in _this_ project. And as you note, you can > give credit in the commit message (the only unfortunate thing is that > most automated statistics would not credit Thomas, but in theory they > could by mentioning him in the trailer). One thing I should have made clear: this is all my opinion, and anything Thomas expresses trumps that. But since he hasn't been active lately, this is all what I would do in the absence of input from him. Obviously a sign-off from him is better than none. :) -Peff