On Sun, 2013-12-15 at 11:54 -0800, Steve Langasek wrote: > On Sun, Dec 15, 2013 at 07:07:54PM +0000, Ben Hutchings wrote: > > On Sun, 2013-12-15 at 16:06 +0100, Marc Haber wrote: > > > On Tue, 10 Dec 2013 13:22:27 -0800, Steve Langasek <vor...@debian.org> > > > wrote: > > > >On Tue, Dec 10, 2013 at 09:02:21AM +0000, Thorsten Glaser wrote: > > > >> Steve Langasek dixit: > > > > >> >(For values of "permanently" that include "we now have two > > > >> >implementations > > > >> >of sh in Essential, because no one has done the work to let us get > > > >> >rid of > > > >> >bash".) > > > > >> Maybe because the offered alternative sucks so much. > > > > >You are totally, completely, 100% missing the point. We can't remove > > > >bash > > > >from Essential because packages are silently using /bin/bash without > > > >depending on bash, because they've been *told not to*. This is not about > > > >your hobby horse issue of whose /bin/sh is better, it's about the fact > > > >that > > > >once an interface makes its way into Essential, we have a very hard time > > > >removing it. > > > > The first step would be to change policy to no longer deprecate > > > depending on bash if one uses รค!/bin/bash scripts. > > > > The second step would be a lintian warning if a package contains a > > > #!/bin/bash script without depending on bash. > > > What if I want to use bash features in a preinst script? > > What if I want to write my preinst script in python?
That has never been allowed, unlike use of bash.
> > The idea of making bash non-essential seems like pure busy-work; the
> > vast majority of Debian systems will continue to have it installed and
> > it will just result in a stream of RC bugs because of undeclared
> > dependencies.
>
> This is not /usr/share/common-licenses. The measure of whether something
> belongs in Essential is *not* how many packages reference it.
Policy acknowledges that '[a]ny capability added to an essential package
therefore creates an obligation to support that capability as part of
the Essential set in perpetuity.'
Ben.
--
Ben Hutchings
Lowery's Law:
If it jams, force it. If it breaks, it needed replacing anyway.
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