[Dict-common-dev] Re: Deadline for ispell dictionaries and wordlists
transition to new policy
Agustín Martín Domingo
Thu, 03 Oct 2002 13:48:20 +0200
Tollef Fog Heen wrote:
> * Agustín Martín Domingo
> (please Cc me on replies, I'm not subscribed)
> | In the meantime, please test the system as much as you can. There
> | are surely some hidden bugs, and we will find some more after the
> | transition starts, but the most we find before the better. Remember
> | that we have at the sourceforge staging area packages for nearly
> | all old style ispell dictionary and wordlist packages (there is
> | some very new one that might not be there).
> Why Pre-Depends? At least for the norwegian packages, they don't have
> a preinst, which means that Pre-Depends work just like Depends.
Thanks for pointing out that. As a matter of fact the policy says
nothing about modifying preinst scripts, so that should be valid for all
IDWP. I am afraid that pre-dependency was left there from the first
stages of policy reimplementation, when we wanted to run some
dictionaries-common scripts from packages debconf config files ... until
we realized that debconf did run them before the package was even unpacked.
There are also some things with the templates. Currently the only real
pre-dependency is through debconf templates provided by
dictionaries-common, but that is probably not a real pre-dependency,
since if I am not wrong, debconf
1) Gathers the templates from all packages to be installed and puts
them in his database. Here the ordering is not important.
2) Run the config files, so all templates are already installed at this
Then the real installation process starts. Here comes other of the
reasons why we left the Pre-Depends, and that can also be wrong, make
sure that dictionaries-common is fully configured before any ispell
dictionary or wordlist package. But testing with dpkg and wspanish and
wfrench packages modified to use only depends,
dpkg -i dictionaries-common_0.7.1_all.deb \
installs the packages in different order that
dpkg -i wenglish_2.0-2.2_all.deb.depends-only
as expected. For this later case, the unpacking order is
Desempaquetando el reemplazo de wenglish ...
Desempaquetando el reemplazo de wspanish ...
Desempaquetando el reemplazo de dictionaries-common ...
but does configuration in the right order, although these wenglish and
wspanish only depend on dictionaries-common (no pre-depend here)
Configurando dictionaries-common (0.7.1) ...
Configurando wenglish (2.0-2.2) ...
Configurando wspanish (22.214.171.124) ...
I do not think there will be any scenario worse than standalone dpkg,
and even in it seems that a simple depends is enough so no package
depending on other is configured before the one depended on. So seems
that we can safely change the Pre-Depends to a Depends. But may be I am
Furthermore, reading the policy document it even refers to the config
reason, what is clearly false.
Rafael, Do you remember any other reason we considered for this? What do
Agustin Martin Domingo, Dpto. de Fisica, ETS Arquitectura Madrid,
(U. Politecnica de Madrid) tel: +34 91-336-6536, Fax: +34 91-336-6554,