Re: dpkg purges on 'remove'

From: Joey Hess (joeyh_at_debian.org)
Date: 04/29/05

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    Date: Fri, 29 Apr 2005 13:34:58 -0400
To: debian users <debian-user@lists.debian.org>

    martin f krafft wrote:
    > I just noticed a strange behaviour on `dpkg --remove`, which is not
    > really harmful, but I am curious and would like to know whether this
    > is a bug, a feature, both, or just myself on crack.
    >
    > A package such as eject, which provides no files in /etc, will be
    > purged when dpkg is told only to remove it:
    >
    > wing:~# dpkg -L eject | grep /etc
    > wing:~# dpkg -l eject | grep eject
    > ii eject 2.0.3-1 ejects CDs and operates CD-Changers under Li
    > wing:~# dpkg -r eject
    > (Reading database ... 83044 files and directories currently installed.)
    > Removing eject ...
    > wing:~# dpkg -l eject | grep eject
    > pn eject <none> (no description available)

    IIRC the criteria for this are actually:

     1. No conffiles in the package.
     2. No postrm script in the package.

    Since purging consists only of running postrm purge and deleting
    conffiles, a package that meets these criteria does not need anything
    done to be purged, so removing it sets its state to purged. 

    -- 
see shy jo



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