[Rd] [PATCH] Makefile: add support for git svn clones

[Joshua Ulrich]

On Mon, Jan 19, 2015 at 3:13 PM, Nathan Kurz <nate at verse.com> wrote:
> On Mon, Jan 19, 2015 at 1:00 PM, Felipe Balbi <balbi at kernel.org> wrote:
>> I just thought that such a small patch which causes no visible change to
>> SVN users and allow for git users to build R would be acceptable, but if
>> it isn't, that's fine too.
>
> Felipe ---
>
> It would appear that you are unaware that you are walking a minefield
> of entrenched positions and personality conflicts.  For those like
> myself who are mystified by the positions taken in this thread, a
> partial back story may be helpful.
>
> In 2012, Han-Tak Leung reported a problem compiling the development
> version of R that he had checked out using git's svn compability
> feature: https://stat.ethz.ch/pipermail/r-devel/2012-October/065133.html
>
You forgot to mention that, in February of 2013, Hin-Tak reported that
Matrix did not build with the R trunk since October, 2012; but it
turned out not to build because he didn't have a subversion checkout.
https://mailman.stat.ethz.ch/pipermail/r-devel/2013-February/065858.html

> In 2013, Brian Ripley applied a patch with the comment "trap HK Leung
> misuse" explicitly to prevent users from being able to do this:
> https://github.com/wch/r-source/commit/4f13e5325dfbcb9fc8f55fc6027af9ae9c7750a3
>
> Shortly thereafter, Han-Tak tried to start discussion on this list
> about that patch, suggesting that preventing the use of non-SVN
> mirrors reduced the frequency with which development versions would be
> tested:
> https://stat.ethz.ch/pipermail/r-devel/2013-March/066128.html
>
> The opinions expressed on the thread were universally against Leung.
> Peter Dalgaard summarized as:
> "The generic point is that you are given access to a working tool that
> is internal to the core R developers. We are not putting restrictions
> on what you do with that access, but if you want to play the game by
> other rules than we do, you need to take the consequences. If things
> don't work and you start complaining about them being "broken", steps
> may be taken to make it clearer who broke them."
> https://stat.ethz.ch/pipermail/r-devel/2013-March/066131.html
>
> As a newcomer hoping to contribute to R who had already encountered
> this same compilation issue and considered it was a bug, I am
> astounded to learn that it is instead desired and intentional
> behavior.
>
> --nate
>
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