[katello-devel] Bundler vs rpm-gems

[Dmitri Dolguikh]

On 22/08/12 03:36 PM, Petr Chalupa wrote:
> Good point, I'll fix it.
I'd like to know how you are going to discriminate between rpm-installed 
dependencies and bundler-installed dependencies across platforms.

-d
>
> Petr
>
> On 22.08.12 16:16, Dmitri Dolguikh wrote:
>> On 22/08/12 09:39 AM, Petr Chalupa wrote:
>>> Hi,
>>>
>>> as Ivan and Lukas said on mail-list, I had some ideas how to solve our
>>> bundler/rpm issues. Then I had discussion with Ivan and Mirek and here
>>> is the proposed solution.
>>>
>>> == Requirements
>>>
>>> When installing on fedora/rhel in production. Do not mess with the
>>> production setup, rpm gems are used, 'bundle install' wont install
>>> anything else.
>>>
>>> When installing on fedora/rhel in development. 'bundle install'
>>> prefers rpm-gems even if there is a newer gem in our gem-repo [2].
>>> Additional development dependencies are installed.
>>>
>>> When installing on any other system (Debian, Ubuntu, Mac, ...) in
>>> development. 'bundle install' installs the same versions of gems as
>>> would be installed on fedora. Optionally (at least made it possible in
>>> the future) 'bundle install' installs not only the same versions but
>>> also gems including security fixes included in rpm-gems.
>>>
>>> == Proposal
>>>
>>> I'll add monkey patch to katello/master for bundler which will ensure
>>> that rpm-gems are preferred (even if they are older than gems in a
>>> gem-repo). It's based on bkabrda's patch [1].
>>
>> I don't think the patch does exactly that. It reshuffles dependencies so
>> that local ones are looked at first. That includes *any* local
>> dependency, of which there can be several. Probably what's going to
>> happen is that it's going to pick the latest local dependency that
>> satisfies gem spec. I don't think this is what you want, however...
>>
>> -d
>>>
>>>
>>> I'll ensure that our gem repo [2] contains all gems needed for katello
>>> development (some are still missing). This enables katello (rails app)
>>> to be installed on any system without rubygems.org.
>>>
>>> I would like to work on this in the next iteration. Also I would like
>>> to explore how difficult would be to create gem versions with security
>>> patches (which is important for non fedora development - me).
>>>
>>> We also discussed it would be nice to move our gem-repo to github a
>>> publish it on pages.github. The repo would be more visible. It would
>>> allow us to use pull-requests for tracking new gem-dependencies. It
>>> would be on one place.
>>>
>>> Petr
>>>
>>> [1] https://gist.github.com/2875212
>>> [2] http://repos.fedorapeople.org/repos/katello/gems/
>>>
>>> _______________________________________________
>>> katello-devel mailing list
>>> katello-devel at redhat.com
>>> https://www.redhat.com/mailman/listinfo/katello-devel
>>
>>
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