2014-12-25 0:59 GMT+02:00 Guillem Jover <guil...@debian.org>: > Hi! > > On Wed, 2014-12-24 at 19:43:47 +0200, Andrey Utkin wrote: >> When preinst is called with $1 = "upgrade", $2 is set with old >> version. How should I get programmatically the new version (the one >> being currently installed), to compare with "dpkg --compare-versions". > > The new version is always implicitly known at package build time, so > if you really need to have a varying version you can replace it then. > But usually you compare against a known version that introduced > something and then you have logic like: > > case "$1" in > upgrade) > if dpkg --compare-versions "$2" lt KNOWN-VERSION; then > : # do some actions, or deny or accept the downgrade > fi > ;; > esac
Uh, ok. That is a solution. I just thought it is possible to retrieve this new version somehow, without preprocessing a preinst script from a template. -- Andrey Utkin -- To UNSUBSCRIBE, email to debian-dpkg-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: https://lists.debian.org/CANZNk82GZ4j41ZfnHopM+GEfdwA=yt7nheprs31bnsk9fkq...@mail.gmail.com
