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Bug#660890: marked as done (apt: apt-cache - Messages are not sent to pipe)

Your message dated Fri, 14 Aug 2015 00:32:24 +0200
with message-id <20150813223223.GA32686@crossbow>
and subject line Re: apt: apt-cache - Messages are not sent to pipe
has caused the Debian Bug report #660890,
regarding apt: apt-cache - Messages are not sent to pipe
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
660890: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=660890
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: apt
Version: 0.8.15.9
Severity: normal

Problem:

	$ apt-cache policy nothing-there
	N: Unable to locate package wrr

	$ apt-cache policy nothing-there 2&1 | tee message.log
	$ cat messages.log
	<nothing>

This is unexpected behavior.

Program should not behave behave differently on context of pipes.
Please display messages as they are so that they can be interpreted or
recorded by other programs.

-- System Information:
Debian Release: wheezy/sid
  APT prefers unstable
  APT policy: (990, 'unstable')
Architecture: i386 (i686)

Kernel: Linux 3.2.0-1-686-pae (SMP w/1 CPU core)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages apt depends on:
ii  debian-archive-keyring  2010.08.28
ii  gnupg                   1.4.11-3
ii  libc6                   2.13-26
ii  libgcc1                 1:4.6.2-14
ii  libstdc++6              4.6.2-14
ii  zlib1g                  1:1.2.6.dfsg-1

apt recommends no packages.

Versions of packages apt suggests:
ii  apt-doc         <none>
ii  aptitude        0.6.5-1
ii  bzip2           1.0.6-1
ii  dpkg-dev        1.16.1.2
ii  python-apt      0.8.3+nmu1
ii  xz-lzma [lzma]  5.1.1alpha+20110809-3

-- no debconf information

--- End Message ---
--- Begin Message --- 
On Wed, Feb 22, 2012 at 12:34:17PM -0500, Jari Aalto wrote:
> Problem:
> 
> 	$ apt-cache policy nothing-there
> 	N: Unable to locate package wrr
> 
> 	$ apt-cache policy nothing-there 2&1 | tee message.log
> 	$ cat messages.log
> 	<nothing>
> 
> This is unexpected behavior.
> 
> Program should not behave behave differently on context of pipes.
> Please display messages as they are so that they can be interpreted or
> recorded by other programs.

At the same time, apt shouldn't change its behaviour either, so please
pick one of the two while implementing both at the same time…

We decided with the addition of  N: that they are to be used for
messages to an (interactive) user and hence will disappear by default if
you pipe, but you can bring them back by setting the quiet level
explicitely to 0 (a non-terminal output automatically sets quiet level
to 1, which disables progress reporting and such, so we were always
different).

That the N: in this case is not an E: is rooted in exactly the problem
that tools using us expect us to behave in this way and we tought at
least for an interative user, we should display something more sensible…

So, closing as wontfix.


Best regards

David Kalnischkies

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