[cfe-dev] Updates on SVN to GitHub migration

Tom Stellard via cfe-dev cfe-dev at lists.llvm.org
Fri Oct 19 18:14:37 PDT 2018

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.


> [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
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