[cfe-dev] [llvm-dev] Updates on SVN to GitHub migration

Nico Weber via cfe-dev cfe-dev at lists.llvm.org
Mon Dec 10 10:58:43 PST 2018


Thanks for the update!

On Mon, Dec 10, 2018 at 1:55 PM Tom Stellard <tstellar at redhat.com> wrote:

> On 12/10/2018 10:38 AM, Nico Weber wrote:
> > Here's another question about the current status of this. It's close to
> two months after the official monorepo was supposed to be published. Can
> someone give an update? Is this on hold indefinitely? Are there concrete
> issues that people are working on and this will happen as soon as those are
> resolved?
> >
>
> There were some issues raised in the thread on llvm-dev:
> "Dealing with out of tree changes and the LLVM  git monorepo"  This
> migration
> has been delayed while discussing these issues.  Discussion on that
> thread has died down and it seems like the consensus is to move forward
> with
> the original plan, but we are waiting to get some formal closure on that
> thread.
>
> > At the least, I'm assuming the "SVN will shut down 1 year from now"
> refers to 1 year from when the monorepo actually gets published, not 1 year
> relative to when the initial mail got sent?
> >
>
> The deadline for SVN shutdown remains unchanged.  It's still going to be
> around the 2019 LLVM Developers meeting.
>
> > Someone mentioned an issue with github's svn bridge, but it wasn't clear
> if that's blocking, and if it is if there's a plan for it.
> >
>
> It's not a blocking issue and there haven't been any updates lately,
> you can follow status on this bug:
> https://bugs.llvm.org/show_bug.cgi?id=39396
>
> -Tom
>
> > Thanks
> > Nico
> >
> > On Sat, Oct 20, 2018 at 4:10 AM Jonas Hahnfeld via cfe-dev <
> cfe-dev at lists.llvm.org <mailto:cfe-dev at lists.llvm.org>> wrote:
> >
> >     (+openmp-dev, they should know about this!)
> >
> >     Recapping the "Concerns"
> >     (https://llvm.org/docs/Proposals/GitHubMove.html#id12) there is a
> >     proposal of "single-subproject Git mirrors" for people who are only
> >     contributing to standalone subprojects. I think this will be easy in
> the
> >     transition period, we can just continue to move the current official
> git
> >     mirrors. Will this "service" be continued after GitHub becomes the
> 'one
> >     source of truth'? I'd strongly vote for yes, but I'm not sure how
> that's
> >     going to work on a technical level.
> >
> >     Thanks,
> >     Jonas
> >
> >     On 2018-10-20 03:14, Tom Stellard via llvm-dev wrote:
> >     > On 10/19/2018 05:47 PM, Tom Stellard via lldb-dev wrote:
> >     >> TLDR: Official monorepo repository will be published on
> >     >> Tuesday, Oct 23, 2018.  After this date, you should modify
> >     >> your workflows to use the monorepo ASAP.  Current workflows
> >     >> will be supported for at most 1 more year.
> >     >>
> >     >> Hi,
> >     >>
> >     >> We had 2 round-tables this week at the Developer Meeting to
> >     >> discuss the SVN to GitHub migration, and I wanted to update
> >     >> the rest of the community on what we discussed.
> >     >>
> >     >> The most important outcome from that meeting is that we
> >     >> now have a timeline for completing the transition which looks
> >     >> like this:
> >     >>
> >     >
> >     > Step 1:
> >     >> Tues Oct 23, 2018:
> >     >>
> >     >> The latest monorepo prototype[1] will be moved over to the LLVM
> >     >> organization github project[2] and will begin mirroring the
> current
> >     >> SVN repository.  Commits will still be made to the SVN repository
> >     >> just as they are today.
> >     >>
> >     >> All community members should begin migrating their workflows that
> >     >> rely on SVN or the current git mirrors to use the new monorepo.
> >     >>
> >     >> For CI jobs or internal mirrors pulling from SVN or
> >     >> http://llvm.org/git/*.git you should modify them to pull from
> >     >> the new monorepo and also to deal with the new repository
> >     >> layout.
> >     >>
> >     >> For Developers, you should begin using the new monorepo
> >     >> for your development and using the provided scripts[3]
> >     >> to commit your code.  These scripts will allow to commit
> >     >> to SVN from the monorepo without using git-svn
> >     >>
> >     >>
> >     >
> >     > Sorry hit send before I was done.  Here is the rest of the mail:
> >     >
> >     > Step 2:
> >     >
> >     > Around the time of next year's developer meeting (1 year at the
> most),
> >     > we will turn off commit access to the SVN server and enable commit
> >     > access to the monorepo.  At this point the monorepo will become the
> >     > 'one source of truth' for the project.  Community members *must*
> have
> >     > updated their workflows by this date and are encouraged to begin
> >     > updating workflows ASAP.
> >     >
> >     > A lot of people asked at the developer meeting about the future
> >     > of bugzilla and phabricator and whether or not we will use
> >     > github issues and pull requests.  These are important questions,
> >     > but are unrelated to the migration of the code.
> >     >
> >     > We also came up with a TODO list for things we want to accomplish
> >     > as a community in the next year and beyond related to github.  I
> >     > am working on putting these into bugzilla so we can track progress
> >     > better and I will send a follow-up email about this.
> >     >
> >     > -Tom
> >     >
> >     >>
> >     >>
> >     >>
> >     >>
> >     >> [1] https://github.com/llvm-git-prototype/llvm
> >     >> [2] https://github.com/llvm/
> >     >> [3]
> >     >>
> https://llvm.org/docs/GettingStarted.html#for-developers-to-work-with-a-git-monorepo
> >     >>
> >     >>
> >     >> _______________________________________________
> >     >> lldb-dev mailing list
> >     >> lldb-dev at lists.llvm.org <mailto:lldb-dev at lists.llvm.org>
> >     >> http://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-dev
> >     >>
> >     >
> >     > _______________________________________________
> >     > LLVM Developers mailing list
> >     > llvm-dev at lists.llvm.org <mailto:llvm-dev at lists.llvm.org>
> >     > http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev
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> >
>
>
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