Re: Re: Bug#734156: how-can-i-help: "no such file to load -- debian_version" after upgrade of ruby-debian package
On 05/01/14 at 16:42 +0100, Francesco Poli wrote:
> On Sat, 4 Jan 2014 17:26:31 +0100 Lucas Nussbaum wrote:
> Specifically, it says:
>
> [...]
> | ### Dependencies
> |
> | All packages **must** depend either on
> | `ruby | ruby-interpreter`
> | if the package supports all implementations of Ruby or on the specific
> | implementations needed if that is not the case.
> [...]
>
> Hence, I am a bit hesitant about dropping something that is mandated by
> the currently recommended Debian Ruby practice.
Yeah, I raised it on -ruby@ because I think that there might be a bug in
our recommended practice. But I'm not sure. I feel that I'm getting a
nice headache thanks to alternative depends + alternatives. :-)
> > Maybe ruby-defaults should provide a symlink to the default ruby version
> > that we could use in shebangs (#!/usr/bin/ruby-debian-default)? That
> > would allow to ensure that hcih really runs with ruby1.9.3 even if the
> > user used update-alternatives to switch to another version.
>
> Wouldn't that defeat the very purpose of the
> /usr/bin/ruby -> /etc/alternatives/ruby
> symlink?!?
Thinking more about it, I think that the problem could be solved by
ruby1.8 dropping its Provides on ruby-interpreter. If we remove that
Provides, during a fresh install of hcih or apt-listbugs, 'ruby' will
get installed. I'm not sure what will happen during upgrades when ruby1.8
is installed. That would have to be tested.
Lucas
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