Re: Proposal to reduce anti-bundling requirements

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On 09/12/2015 12:41 AM, Jóhann B. Guðmundsson wrote:


On 09/11/2015 09:09 PM, Orion Poplawski wrote:
What does Fedora users gain with "dnf
install rails" or "dnf install ipython" versus "gem install rails" and "pip
install ipython"?

This indeed is very good question.

I'm not sure how things are elsewhere in the world but in the case of gem's on a rock in the middle of the north atlantic ocean , everybody is using bundler with nobody wanting to go back to non existing or not current gem's in distributions and or having to manually chase down components and resolve their dependency's.

They prefer spending that time actually hacking or drinking beer or both.

JBG
I would argue that the most valuable thing apart from the security tracking is that you can properly specify _all_ dependencies the gem actually have. This is a big one for at least few reasons:

1, end-users don't have to go read README to know what to install so that the software actually starts working
2, avoids compilation errors due to the missing header files or conflicts
3, installation is faster and more predictable

If someone has a problem with installing a gem, he/she can install rubygem-* package on Fedora and it's done (they can easily combine them with upstream gems). It's also quite nice that a beginner can just dnf install some framework if he just want to quickly try/evalute it, but does not want to spend afternoon hunting installation issues. This seems less relevant for experience people, e.g. I know how to fix problems with Ruby, but when I need to do a little of Python work I prefer to install Fedora packages rather than trying to make pip work for me.

But generally there are other (small) things as well...you don't need to install any junk like -devel packages on your system, you can track all your software with rpm/dnf (e.g. you can rollback a transaction), the gem can come with man pages, etc.

p.s. they are however disadvantages as well

Josef


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