Re: [gentoo-dev] Re: [PATCH 1/3] texlive-module.eclass: implicitly set TL_PV if not explicitly set

["Michał Górny" <mgorny@gentoo.org>]

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On Thu, 2024-02-29 at 15:21 +0100, Florian Schmaus wrote:
> On 29/02/2024 15.08, Michael Orlitzky wrote:
> > On Thu, 2024-02-29 at 14:47 +0100, Florian Schmaus wrote:
> > > >    
> > > > +if [[ -z ${TL_PV} ]] \
> > > > +	   && [[ ${EAPI} -ge 8 ]] \
> > > 
> > > I am skeptical of this construct, as in the past we had non-numeric
> > > EAPIs. So I may have to go with EAPI == 8 for now. Input appreciated.
> > > 
> > 
> > 
> > The eclass only supports EAPIs {7,8,...} so it should suffice to
> > blacklist EAPI=7.
> 
> Fair point, but that would mean to remember to adjust this line once the 
> eclass gets support for EAPI 9.
> 
> It appears that bash does the right thing:
> 
> $ if [[ "eapi-future" -gt 8 ]]; then echo "is greater than 8"; else echo 
> "is NOT greater than 8"; fi
> is NOT greater than 8
> 
> even considering
> 
> $ if [[ "9-eapi-future" -gt 8 ]]; then echo "is greater than 8"; else 
> echo "is NOT greater than 8"; fi
> is greater than 8
> 
> which would be fine.
> 
> Although I prefer the current approach, it is not a hill to die on for me.
> 

It is invalid to treat EAPI as an integer.

The standard practice is to explicitly list old EAPIs, so that no
changes need to preserve the new behavior for new EAPIs.

-- 
Best regards,
Michał Górny


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