[pkg-cryptsetup-devel] Bug#905188: Bug#905188: cryptsetup-initramfs: fails to install, remove, distupgrade, and install again

[Guilhem Moulin]

Control: tag -1 moreinfo

Hi Andreas,

On Wed, 01 Aug 2018 at 13:20:37 +0200, Andreas Beckmann wrote:
> Configuration file '/etc/cryptsetup-initramfs/conf-hook'
>  ==> Deleted (by you or by a script) since installation.
>  ==> Package distributor has shipped an updated version.
>    What would you like to do about it ?  Your options are:
>     Y or I  : install the package maintainer's version
>     N or O  : keep your currently-installed version
>       D     : show the differences between the versions
>       Z     : start a shell to examine the situation
>  The default action is to keep your current version.
> *** conf-hook (Y/I/N/O/D/Z) [default=N] ? dpkg: error processing package cryptsetup-initramfs (--configure):
>  end of file on stdin at conffile prompt
> dpkg: dependency problems prevent configuration of cryptsetup:
>  cryptsetup depends on cryptsetup-initramfs (>= 2:2.0.3-1); however:
>   Package cryptsetup-initramfs is not configured yet.

I wonder if it's a false positive?  Following the same upgrade path in a
stretch chroot:

    $ apt install cryptsetup
    $ apt remove cryptsetup
    $ sed -i s/stretch/buster/g /etc/apt/sources.list.d/debian.sources 
    $ apt update
    $ apt dist-upgrade
    $ apt install cryptsetup

The log differs as follows:

    Configuration file '/etc/cryptsetup-initramfs/conf-hook'
     ==> Deleted (by you or by a script) since installation.
     ==> Package distributor has shipped an updated version.
       What would you like to do about it ?  Your options are:
        Y or I  : install the package maintainer's version
        N or O  : keep your currently-installed version
          D     : show the differences between the versions
          Z     : start a shell to examine the situation
     The default action is to keep your current version.
    *** conf-hook (Y/I/N/O/D/Z) [default=N] ? 
    debconf: unable to initialize frontend: Dialog
    debconf: (No usable dialog-like program is installed, so the dialog based frontend cannot be used. at /usr/share/perl5/Debconf/FrontEnd/Dialog.pm line 76.)
    debconf: falling back to frontend: Readline
    update-initramfs: deferring update (trigger activated)
    Setting up cryptsetup (2:2.0.3-6) ...
    Processing triggers for initramfs-tools (0.132) ...

And the upgrade path is successful.  AFICT piuparts's dpkg processes
fail because there is no working standard input.  But normal systems
have a working standard input, and the upgrade path is function there. 
AFAIK automatic configuration tools install with

    DEBIAN_FRONTEND=noninteractive apt-get install -o "Dpkg::Options::=--force-confdef" -o "Dpkg::Options::=--force-confold" -y

which also works.

-- 
Guilhem.
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