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Re: Let's discuss big changes in Ruby packaging for squeeze+1

On 22/04/10 at 19:40 +0900, NARUSE, Yui wrote:
> > 0) We try to provide as much support as possible for all ruby interpreters
> >    (well, at least 1.8 and 1.9.1, but maybe also jruby). However, we decide
> >    on a default version (1.8 currently) that all libraries must support.
> We'll release Ruby 1.9.2 in this summer.

Sure, but that doesn't mean that the community will adopt it as a
replacement for ruby1.8. I hope it will be the case, of course.

> So where 1.9.2 will install, /usr/lib/ruby/1.9.1 or /usr/lib/ruby/1.9.2?
> Note that 1.9.2 intends to have ABI compatibility to 1.9.1.

It is likely that ruby1.9.2 will replace ruby1.9.1 if it is

> > 2) Instead of installing to /usr/lib/ruby/1.{8,9.1}, we install to:
> >  /usr/lib/ruby/vendor_ruby/ <= libraries that support all versions
> >                               of the interpreter
> >  /usr/lib/ruby/vendor_ruby/1.8 <= libraries that only support 1.8
> >  /usr/lib/ruby/vendor_ruby/1.9.1 <= libraries that only support 1.9.1
> > That allows to make a better difference between the stdlib and the
> > third-party libraries.
> What will you do about a gem supports 1.8 and 1.9.1 but not 1.9.2.

Since it's ABI-compatible, it shouldn't exist, no? :-)
Anyway, we have two solutions here:
- install in vendor_ruby/1.8 and vendor_ruby/1.9.1 (possibly with
  symlinks to reduce disk space)
- ignore the problem, and install it in vendor_ruby/ (similar to what is
  done for Java in Debian)

> > 5) Regarding test suites, we should really try to execute them during the
> >    build (for every ruby implementation), as this will allow to detect
> >    regressions.
> MRI's test-all has some stress test.

Yes, and we run them during build. But I was talking about test suite
shipped by libraries.
| Lucas Nussbaum
| lucas@lucas-nussbaum.net   http://www.lucas-nussbaum.net/ |
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