I'd be interested in helping out, as I'm both a fish and rbenv user. The
one question I have is, what functionality are you lacking? I'm using
rbenv inside fish without any issues.
On Mon, Jul 22, 2013 at 9:09 AM, Attila Györffy <attila.gyor...@gmail.com>wrote:
> Hi All,
>
> As an attempt to migrate my default shell from zsh to fish, I found myself
> not being able to use some of my favourite tools, mainly Rbenv. For some of
> you who may not be familiar with Rbenv, it is a sophisticated Ruby version
> manager for POSIX shells:
> https://github.com/sstephenson/rbenv
>
> Some people have been able to make Rbenv work with some hacks or
> workarounds by creating their own shell functions that mimic the original
> functionality of Rbenv, however the problem is that it might get out of
> sync with the original Rbenv implementation meaning that those hacks could
> potentially break any moment.
>
> I think as it is with Rbenv, fish’s popularity is highly dependant on the
> fish compatibility of the most commonly used tools. Rather than introducing
> external workarounds, I think we need to get the most common tools to
> support the new shell out of the box in order to raise awareness of fish
> itself. I understand that this sounds like a major pain in the a** and
> would involve lots and lots of work from the community but we could do one
> thing at a time.
>
> Having said that I decided to try adding fish shell compatibility to
> Rbenv. Unfortunately, turns out that I’m not a huge shell magician and I’m
> just getting familiar with the fish shell scripts. Having said that, I’m
> looking for contributors and guidelines towards doing a good job in adding
> fish compatible functionality to Rbenv.
>
> I’ve joined the discussion on Github that is related to the fish shell
> compatibility:
> https://github.com/sstephenson/rbenv/issues/195
>
> I did contact the authors of Rbenv and manages to squeeze out some
> information of them. Now, even though Rbenv is making use of bash or zsh
> (either one of them, really) those shells do not necessarily need to be
> your login shell, just need to be available on the system to make sure
> Rbenv operates as expected. Looks like the majority of the work would be to
> ensure that this particular script spits out fish compatible commands:
> https://github.com/sstephenson/rbenv/blob/master/libexec/rbenv-init
>
> Is there somebody who might be interested in helping out?
>
> Here’s what we’d need:
>
> * A fish shell compatible output of `rbenv init -` so that it can be
> evaluated by fish and the rbenv function could be loaded into the shell.
> * A shell script testing too that is compatible with fish. Rbenv issuing
> Bats <https://github.com/sstephenson/bats> for testing Bash scripts.
> Having tests for the fish compatible layer of Rbenv would be great.
>
> Let me know if somebody is eager to help out.
>
> Thanks,
>
> — Attila
>
> PS: If somebody knows of a useful and easy to understand resource online
> that would help in porting POSIX scripts to fish, then let mw know please.
> (Mostly for shell script noobs like myself)
>
>
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