On Mon, Dec 23, 2002 at 22:08:43 +0100, Denis Barbier wrote: > Dans apt_preferences(1) d'apt 0.5.4: > When deciding what version to use APT assigns a priority to each > available version of the package. It then does two things, first > it selects the highest priorty version that is newer than the > installed version of the package, then it selects the highest > priority version that is older than the installed version. Next, > if the older versions have a priority greater than 1000 they are > compared with the priority of the upgrade set, the larger > becomes the selected result. Otherwise the downgrade versions > are ignored and the highest priority of the ugprade set is > selected. > Le comportement que tu observes me semble conforme à ce qui est écrit.
Argh! Je croyais que si la priorité était inférieure à 100, il n'y avait pas d'upgrade (i.e. que c'était seulement une priorité pour installation). J'aimerais bien savoir que cela veut dire: 0 to 100 Non automatic priorities. These are only used if the package is not installed and there is no other version available. > Ça ne me semble pas faisable. On pourrait penser que > Package: libpng2 > Pin: version 1.0.12-6 > Pin-Priority: -100 > fait l'affaire, mais ça n'a pas l'air de marcher. Idem, le man dit: less than 0 The version is never selected. Je ne comprends rien... -- Vincent Lefèvre <[EMAIL PROTECTED]> - Web: <http://www.vinc17.org/> - 100% validated (X)HTML - Acorn Risc PC, Yellow Pig 17, Championnat International des Jeux Mathématiques et Logiques, TETRHEX, etc. Work: CR INRIA - computer arithmetic / SPACES project at LORIA