Re: /etc/ question
On Sun, Feb 25, 2001 at 09:34:19AM +0000, Julian Gilbey wrote:
> On Sun, Feb 25, 2001 at 05:15:37AM +0100, Eric Van Buggenhaut wrote:
> > > Remember to correctly unwind, moving the conffile back to its original place
> > > (as long as the original file does not exist) in the abort-install and
> > > abort-upgrade targets of preinst, postrm and postinst. [never tried this,
> > > but that seems to be what's needed from the not-so-clear policy chapter 6]
> >
> > In the package I maintain, called crafty, I moved /etc/craftyrc to
> > /etc/crafty.rc and /var/cache/crafty to /var/lib/crafty in the previous
> > version (17.9). Version now is 17.13. The 'move' routine is still in preinst
> > of the latest version because we don't know what version people are upgrading
> > from.
> >
> > Now that's my problem : if upgrade fails or is aborted, I should move the files
> > back to their original location. But if people are upgrading from a 'post-move'
> > version, the original location is different than if they were upgrading from a
> > 'pre-move' location.
> >
> > So, where do I move the files back ???
>
> Copy in the preinst, remove the old one in the postinst (with
> "configure" argument). That'll do the job.
That's what I read in one of your previous message and it made sense to me.
Then Henrique argued that it was a bad idea.
On Sat, Feb 24, 2001 at 10:42:38PM -0300, Henrique M Holschuh wrote:
> On Sun, 25 Feb 2001, Julian Gilbey wrote:
> > On Fri, Feb 23, 2001 at 03:57:33PM -0800, Sean 'Shaleh' Perry wrote:
> > > in your preinst, check for /etc/foo and if it exists, mkdir /etc/package
> > > and
> >
> > Perhaps better: copy it in the postinst, remove the old version in the
> > postinst. Then if any problems arise, the original version will still
> > be present.
>
> BAD idea. This will defeat the conffile change detection engine in dpkg, and
> will cause problems in some cases. Don't do that.
>
Did he just say that because of the typo ? s/postinst/preinst ?
Henrique ?
>
> Julian
>
> --
> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
>
> Julian Gilbey, Dept of Maths, Queen Mary, Univ. of London
> Debian GNU/Linux Developer, see http://people.debian.org/~jdg
> Donate free food to the world's hungry: see http://www.thehungersite.com/
--
Eric VAN BUGGENHAUT
Eric.VanBuggenhaut@AdValvas.be
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