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Date:      Thu, 14 Nov 2019 15:55:08 -0500
From:      Ed Maste <emaste@freebsd.org>
To:        Warner Losh <imp@bsdimp.com>
Cc:        Xin LI <delphij@gmail.com>, freebsd-git@freebsd.org,  Ilya Bakulin <ilya@bakulin.de>
Subject:   Re: FYI - LLVM migration to Git and GitHub has started
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References:  <CAPyFy2Aaovca5B0D0cyo3r0%2B7%2BS4CK%2BnhmfuY4V1fLmjvJ49dQ@mail.gmail.com> <CADzbx%2BqQrXrzvOS=Rpww7NmW4xosmDc8HA%2B-ML8JxfFtPXG6%2BQ@mail.gmail.com> <CANCZdfofA%2B_utwE84qs5fUhQyxJxNYENZc=pQnShb3%2B8MppBFg@mail.gmail.com> <CAGMYy3tZcUE%2B43gA9M=FUkgX25hN7NnViruiXej7woQZF6Jm3g@mail.gmail.com> <CANCZdfr-RS6Xk_HQ=eWugG7YV0Ame8UipKH_xqPmYxu9E_%2BFTw@mail.gmail.com>

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On Thu, 14 Nov 2019 at 19:20, Warner Losh <imp@bsdimp.com> wrote:
>
> In looking into submodules, I couldn't figure out how to layer changes on
> top of the submodule in any way that was approaching sane... If we used the
> code verbatim, as is in the upstream repo, it might be OK, but it looks
> like it's intended to solve different problems than our 'vendor branch'
> issue.

Yes, I'm quite convinced we don't want submodules. Even if we're not
modifying the code dealing with submodule updates is just a constant
annoyance.

I believe `git subtree` can form a workable replacement for the way we
approach vendor branches.



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