* Joey Hess
| Tollef Fog Heen wrote:
| > I am working on a rfc822/debconf compatible backend for cdebconf.
|
| Hm, I had meant to write a dbdriver for debconf that supported cdebconf
| style database files, never quite got around to it.
I began doing that, but figured that it was quicker just to write an
rfc822 based backend for cdebconf.
| > - add a method to debconf saying «reload your db, I have changed
| > stuff underneat your feet». This is ugly and suddenly the
| > application using debconf needs to know about this stuff.
| > - add the ugly hack I mentioned, cluttering the distinction between
| > set and save.
| > - add some sort of a semaphore file or something which means that the
| > questions/templates will be reloaded.
| > - something entirely else.
|
| FWIW, debconf flocks its database, and so one can't run
| debconf-loadtemplate while another debconf instance is running. But we
| need some way for d-i for cdebconf to load up newly available templates.
| All right -- what about adding a command to the debconf protocol that
| loads a templates file? This problem is probably unique to d-i so it
| might only be added to cdebconf. Something like:
|
| X_LOADTEMLATEFILE /var/lib/dpkg/info/newpkg.templates
Maybe this is ok, so the running cdebconf should load the templates
instead of dpkg-loadtemplate?
| Another option would be to make cdebconf get restarted in this
| circumstance and load the templates while it is down.
the call tree here is something like
init -> /sbin/debian-installer -> debconf -> main-menu -> anna ->
udpkg -> debconf-loadtemplate
debconf-loadtemplate then needs to talk to debconf (can be done via
stdin/stdout communication, debconf protocol) and tell it to load
templates from a file. Restarting debconf would be cumbersome, I
think. debconf-loadtemplate will just have to be extended to see if
debconf is running by looking at DEBCONF_REDIR and using the
appropriate command if it is running.
Does this look sane?
--
Tollef Fog Heen ,''`.
UNIX is user friendly, it's just picky about who its friends are : :' :
`. `'
`-
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