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

Mehdi AMINI via cfe-dev cfe-dev at lists.llvm.org
Sun Oct 21 20:46:48 PDT 2018


Le sam. 20 oct. 2018 à 01:09, Jonas Hahnfeld via llvm-dev <
llvm-dev at lists.llvm.org> a écrit :

> (+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.


I am not sure I understand this sentence?


> 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.
>

I suspect that a possible problem will be that we can't guarantee in the
future that a particular subdirectory in the monorepo won't move, be split,
reorganized, or that its build script will be tested in CI independently of
the rest of the repo.
Otherwise providing a read-only repo that contains only a subset of the
monorepo isn't very difficult: someone has to provide a machine to
continuously update the read-only "view".

-- 
Mehdi





>
> 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
> >> http://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-dev
> >>
> >
> > _______________________________________________
> > LLVM Developers mailing list
> > llvm-dev at lists.llvm.org
> > http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev
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