[Debconf-devel] Bug#808464: suddenly being asked for interactive keyboard configuration
gregoa at debian.org
Sun Dec 20 14:19:01 UTC 2015
On Sun, 20 Dec 2015 12:27:11 +0100, Holger Levsen wrote:
> Which do "apt-get install -y --install-recommends diffoscope" in sid, which
> now fails like this:
> Setting up keyboard-configuration (1.134) ...
> debconf: unable to initialize frontend: Dialog
> debconf: (Dialog frontend will not work on a dumb terminal, an emacs shell
> buffer, or without a controlling terminal.)
> debconf: falling back to frontend: Readline
> Configuring keyboard-configuration
> <ntyni> is it using DEBIAN_FRONTEND=noninteractive ?
> <h01ger> ntyni: yes. the jenkins code used here hasnt changed at all.
> <ntyni> h01ger: I'm guessing DEBIAN_FRONTEND=noninteractive never took effect
> for some reason and the Dialog frontend is now falling back to a different
> frontend (Readline) that tries harder to ask its questions even without a real
> <h01ger> hm
> <ntyni> h01ger: I wouldn't expect those messages about Dialog and Readline
> frontends at all if DEBIAN_FRONTEND=noninteractive was in effect
> * h01ger nods
> <ntyni> h01ger: but I'm not 100% positive on that
> weirly enough has a different frontend it seems
- cowbuilder sid amd64 chroot
- a) DEBIAN_FRONTEND=noninteractive, b) unset DEBIAN_FRONTEND
- apt-get install -y --install-recommends diffoscope
In case a) I get no questions, as expected; in case b) I also get
Setting up keyboard-configuration (1.134) ...
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
This looks like DEBIAN_FRONTEND=noninteractive is working as
expected; which doesn't answer what's happening in your
jenkins/reproduucible job :/
Hm, a tiny difference is "Dialog frontend will not work" vs. "No
usable dialog-like program is installed". But still, the whole
question should be skipped with DEBIAN_FRONTEND=noninteractive.
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