Actually, since there were some people hitting this issue on devel ML,
shouldn't we revert this patch for stable Fedoras? I.e. 23-25 and keep
it for Rawhide only? There are two days left until the updates become
stable ...


Vít


Dne 22.11.2016 v 12:46 Vít Ondruch napsal(a):
>
> Dne 21.11.2016 v 17:33 Jason Frey napsal(a):
>> Here's the Pull Request and commit that introduced the change.
>>
>> https://github.com/rubygems/rubygems/pull/1371
>>
>> The Pull Request shows that the purpose of the change is to fix a memory 
>> allocation issue.  On large projects with a number of Rubygems it can reduce 
>> String allocations by nearly 50%.  I think this is an acceptable bug fix 
>> with respect to SemVer.
> Thx for the pointer. It might or might not be acceptable. Looking at the
> consequences, it is not acceptable for me. I don't think that the memory
> allocation was new issue introduced in rubygems 2.5.x, so it is not
> regression. But somebody else might have different opinion and of course
> sometimes it is hard to foresee the consequences. In this case I would
> rather hear "sorry and will try to not break things next time for you" ...
>
>> Additionally, SemVer is around versioning of the public API.  As the Gem 
>> specification source that is generated by Rubygems is not actually part of 
>> the public API, I don't even think SemVer applies.
> So output of "gem spec" is not public API? How comes? Is it too much to
> expect that with patch version change, the output will be still the same
> unless it explicitly changed to fix some regression?
>
>>   Modifying them (via sed, no less) is akin to monkey-patching private 
>> methods, which is not covered by SemVer.
>>
>> May I suggest that instead of using sed against the source
> There are cases where sed is used and other cases where the .gemspec
> files are patched. I prefer "sed" a bit, because althouhg its a bit more
> fragile, it is more flexible on the other hand.
>
>> , which could potentially corrupt the file into invalid Ruby, that we use 
>> Ruby to parse Ruby itself?  Since the file is valid Ruby, Ripper could be 
>> use to parse the source, manipulate the S-expressions, and then emit the 
>> valid, modified Ruby.  This feels more forward-compatible in the long run.
> This is good tip and just recently, I introduced some macros into
> Fedora, which are using similar approach, just using RubyGems constructs
> [1]. I find it simpler to understand.
>
> But the thing is that I know just about breakages in my packages, but I
> don't know what else is broken and what different approaches people are
> using to modify the .gemspec. Yes, removing some files from .gemspec
> file list looks to be something one needs to do from time to time, but
> so far it was not that common practice to invest energy to something
> more complex then sed/patch.
>
>
> Vít
>
>
>
>
> [1]
> http://pkgs.fedoraproject.org/cgit/rpms/ruby.git/tree/macros.rubygems#n61
>
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