Re: [AMBER-Developers] A new way to git

From: Hai Nguyen <>
Date: Sun, 17 Jun 2018 21:26:16 -0400

Great and thanks. I am very excited about this change.


On Sun, Jun 17, 2018 at 9:06 PM, Jason Swails <>

> Hi everyone,
> I've been working with Dave, Tom, and Ross over the past month or so to
> work on migrating to a new git server. As the community grows and the pace
> of development quickens, the limitations of gitosis become more apparent.
> Thanks to Tom and the CHPC at the University of Utah, we have a new server
> that is hosting an instance of GitLab, which is a service very similar to
> GitHub (although not [yet] owned by Microsoft). The new git server can be
> found at The old repository
> ( will still be available and will be
> kept up-to-date with the latest updates to Amber for the foreseeable
> future, but it has been transitioned to read-only (you will be unable to
> push any code to that repository).
> Also, the latest changes have replaced the submodules with subtrees. If
> you want help migrating your current branch to GitLab, or merging it with
> the latest master that gets rid of the submodules, email me with the name
> of the branch you want migrated.
> All future contributions will need to go through GitLab. If you would like
> an account, please email myself, Dave Case, and Ross Walker (
>,, and
> and we will create an account. Please provide the following information:
> * Your full name
> * The username you would like (I picked the same as my GitHub username)
> * Your email address
> * What level of permission you had with gitosis -- namely read only or
> write
> * Do you want your public SSH keys from gitosis merged into your new
> account? (note that DSS keys should not be migrated, so if you have one of
> those you can use ssh-keygen -t rsa to generate a key with a more modern
> crypto algorithm)
> After we create your account, you'll get an email from GitLab with a link
> where you can set your password. Then proceed to the wiki on that
> repository where I've put up some instructions on how to migrate from
> gitosis to GitLab. You can find the wiki here (you must be logged in to
> view it):
> For those of you who have used GitHub, this should feel familiar. However,
> please do *not* fork the Amber repository like you would in GitHub -- it is
> very large and will unnecessarily tax the storage resources of the GitLab
> server. Instead, push branches directly to the main repository and raise
> merge requests from there (GitHub calls them pull requests).
> There are some very notable changes in the developer workflow with GitLab.
> The biggest one is that you can no longer push directly to the master or
> release branches (e.g., amber18-with-patches) -- GitLab will block you if
> you try. Instead, you must push to a separate branch and raise a merge
> request into master (or amber18-with-patches if you're making a bugfix).
> Raising this merge request will trigger that code to be cloned, built, and
> tested using Jenkins with a variety of configurations (serial, MPI, CUDA,
> and CUDA.MPI). Only if these all work will someone be able to click the
> button to merge the request.
> You can also set the "Notification setting" to "Watching" (to the right of
> the clone URL on the main Amber repository page) to get an Email every time
> a change or an issue is created on that repository. I would also encourage
> you to use the issue tracker of the repository to post bugs and questions
> about the code.
> This software also makes it easy to make comments on code in merge
> requests, so I encourage you to take advantage of this! If you're
> experienced, do code reviews of merge requests. If you're not, review them
> and ask questions you may have. You'll learn more about what people are
> doing and increase the likelihood we'll find bugs earlier. It will only
> make Amber better.
> And enjoy the new development process. Don't worry about making a mistake
> or "breaking the master branch" by accident -- GitLab blocks you from doing
> things by accident you shouldn't do.
> If you have any questions, please feel free to ask (I'd encourage you to
> ask on this mailing list, since you're likely not the only one with the
> same question).
> Thanks, and I hope everyone had a great weekend!
> Jason
> --
> Jason M. Swails
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Received on Sun Jun 17 2018 - 18:30:02 PDT
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