On Wed, May 9, 2018 at 4:33 PM, Christian Couder <christian.couder@xxxxxxxxx> wrote: > Hi, > > I might start working on implementing reftable in Git soon. Adding Michael Haggerty who did lots of work on ref stuff. He probably can give a few suggestions. You probably should also look at the last attempt to add lmdb as a new ref backend. I'm not sure why it's still not in, maybe it wasn't the right time (e.g. infrastructure was not ready). > During the last Git Merge conference last March Stefan talked about > reftable. In Alex Vandiver's notes [1] it is asked that people > announce it on the list when they start working on it, and it appears > that there is a reference implementation in JGit. > > Looking it up, there is indeed some documentation [2], code [3], tests > [4] and other related stuff [5] in the JGit repo. It looks like the > JGit repo and the reftable code there are licensed under the Eclipse > Distribution License - v 1.0 [7] which is very similar to the 3-Clause > BSD License also called Modified BSD License which is GPL compatible > according to gnu.org [9]. So from a quick look it appears that I > should be able to port the JGit to Git if I just keep the copyright > and license header comments in all the related files. > > So I think the most straightforward and compatible way to do it would > be to port the JGit implementation. > > Thanks in advance for any suggestion or comment about this. > > Reftable was first described by Shawn and then discussed last July on > the list [6]. > > My work on this would be sponsored by Booking.com. > > Thanks, > Christian. > > [1] https://public-inbox.org/git/alpine.DEB.2.20.1803091557510.23109@alexmv-linux/ > > [2] https://github.com/eclipse/jgit/blob/master/Documentation/technical/reftable.md > > [3] https://github.com/eclipse/jgit/tree/master/org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/reftable > > [4] https://github.com/eclipse/jgit/tree/master/org.eclipse.jgit.test/tst/org/eclipse/jgit/internal/storage/reftable > > [5] https://github.com/eclipse/jgit/tree/master/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/debug > > [6] https://public-inbox.org/git/CAJo=hJtyof=HRy=2sLP0ng0uZ4=S-DpZ5dR1aF+VHVETKG20OQ@xxxxxxxxxxxxxx/ > > [7] http://www.eclipse.org/org/documents/edl-v10.php > > [8] https://opensource.org/licenses/BSD-3-Clause > > [9] https://www.gnu.org/licenses/license-list.en.html#ModifiedBSD -- Duy
