Bug#264241: Some corrections regardings statements in this bug

[Adrian Bunk <bunk@fs.tum.de>]

On Thu, Aug 12, 2004 at 01:44:22PM +0200, Hilmar Preusse wrote:
> On 11.08.04 Adrian Bunk (bunk@fs.tum.de) wrote:
> 
> Hi,

Hi Hilmar,

> > Some corrections regarding statements in this bug ("postrm assumes 
> > mktexlsr is available").
> > 
> > <--  snip  -->
> > 
> > Ryan Murray:
> > > You can't assume that any of your dependencies are available in
> > > your postrm script, so you need to handle the case where mktexlsr
> > > has already been removed.
> > 
> > mktexlsr is in tetex-bin.
> > 
> > tetex-extra depends on tetex-bin.
> > 
> > Section 7.2. of your policy states:
> > 
> > <--  snip  -->
> > ...
> >           The `Depends' field should also be used if the `postinst',
> >           `prerm' or `postrm' scripts require the package to be present in
> >           order to run.  Note, however, that the `postrm' cannot rely on
> >           any non-essential packages to be present during the `purge'
> >           phase.
> > ...
> > <--  snip  -->
> > 
> > Could you explain your statement which exactly contradicts your policy 
> > 
> So, what are you trying to tell me? As far as I understand you tell
> me, that this bug is not a bug.


A failed postrm is a bug, but as far as I can see, the problem is not 
that mktexlsr wasn't available.


> > (note that the tetex-extra postinst does nothing during purge)?
> > 
> mktexlsr is intended to be called in case of upgrade, remove or purge.
> Hence we don't check $1, but call it unconditionally.

As far as I can see, it's not called during purge.

>...
> The more convenient solution could be to remove to bashism. Should
> not be that hard in this special case. I'm not sure, if command is a
> bashism or if it is available in dash too.
>...

It's currently not even 100% clear why the postrm fails.

@Ryan:
Could you reproduce the problem, and if yes, what's the output with a 
"set -x" in the postrm script?

> Thanks,
>   H. 

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed