Date: Sat, 14 Sep 2019 10:52:45 -0600 From: Adam Weinberger <adamw@adamw.org> To: Koichiro Iwao <meta@freebsd.org> Cc: FreeBSD Ports <ports@freebsd.org>, ruby@freebsd.org Subject: Re: FLAVORS for Ruby Message-ID: <006FCB74-04EB-4A82-A800-6C7CA273E749@adamw.org> In-Reply-To: <20190914042738.r3hedyqtpxsxnd5e@icepick.vmeta.jp> References: <20190913074519.xfu3avb4ihmfzm2o@icepick.vmeta.jp> <CAALwa8m3NJSckxSyrVTehx3LWxheSJXxUB=iAxr%2B1HG_2WFtfg@mail.gmail.com> <20190913090645.buutinhgh2pygb4h@icepick.vmeta.jp> <CAP7rwcjH6d7AiEL4XeRyQ-evT=dq%2BZi8WDTx-aYhye-zq2DKJw@mail.gmail.com> <20190914042738.r3hedyqtpxsxnd5e@icepick.vmeta.jp>
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> On Sep 13, 2019, at 22:27, Koichiro Iwao <meta@freebsd.org> wrote: > >> On Fri, Sep 13, 2019 at 09:33:43AM -0600, Adam Weinberger wrote: >> Systems MUST be able to support concurrent installations of python2.7 >> and actual python. What is your use case for concurrent ruby? > > I know the importance of Python 2. Even if it is EoL-ed, it will be > required over the next a few years because not a few applications don't > migrate to Python 3. So that's true and reasonable. > > Excuse me that I'm answering your question with a question. What about > PHP? Concurrent installation is a MUST? > > FreeBSD ports allows concurrent installations of multiple Ruby versions > however doesn't allow concurrent installations of rubygems for multiple > Ruby versions. This inconsistency is the issue for me. The issue is that FLAVORS has added a substantial (and painful) complexity to python ports and python.mk. It means that a number of people have had to be hyper-vigilant and watch commits closely to catch errors introduced when people utilize the paradigm incorrectly. It’s a bitter pill, but it’s accepted because the use-case for multiple concurrent python versions is essential. As Antoine said, inconsistency isn’t a strong enough use case. Which brings us back to the original question: is there a specific use-case for concurrent ruby that makes the substantial increase in cognitive load, complexity, and monitoring worth it? # Adam — Adam Weinberger adamw@adamw.org https://www.adamw.org
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