Re: [Nano-devel] address@hidden: Bug#583196: nano: Regression: Can't edit FIFOs anymore]

[Chris Allegretta]

Yep, I can confirm this behavior.  Likely when nano grew the ability
to read unnamed pipes it lost the ability to handle named ones in the
process.  I will try and take  a crack at what's going wrong shortly;
apologies for the delayed response.

On Wed, May 26, 2010 at 6:38 AM, Jordi Mallach <address@hidden> wrote:
> Chris, can you comment on this one?
>
> Thanks!
> Jordi
> --
> Jordi Mallach Pérez  --  Debian developer     http://www.debian.org/
> address@hidden     address@hidden     http://www.sindominio.net/
> GnuPG public key information available at http://oskuro.net/
>
>
> ---------- Forwarded message ----------
> From: Axel Beckert <address@hidden>
> To: Debian Bug Tracking System <address@hidden>
> Date: Wed, 26 May 2010 11:07:36 +0200 (CEST)
> Subject: Bug#583196: nano: Regression: Can't edit FIFOs anymore
> Package: nano
> Version: 2.2.4-1, 2.2.2-1
> Severity: normal
>
> Hi,
>
> on Debian Lenny (nano 2.0.7-4) nano was AFAIK the only editor which
> was capable of editing FIFOs (at least zile and nvi can't edit
> FIFOs). In Sid and Squeeze this ability of nano is mostly gone.
>
> In my test case (see below), I wasn't even able to start it with the
> contents of the FIFO, in our real life case (a wrapper around nano
> which modifies the content before and after editing), nano is still
> able to read from the pipe, but no more to write from it.
>
> How to reproduce:
>
> You need two shells (the mentioned wrapper forks for that purpose):
>
>  Shell 1                  Shell 2
> 1 $ mkfifo foobar
> 2 $ echo bla >> foobar
> 3                          $ nano -t foobar
> 4                          Change something, save with C-x
> 5 $ cat foobar
>
> This works fine on Debian Lenny (nano 2.0.7-4) as well as Ubuntu
> Karmic (nano 2.0.9-2), but fails with Debian Sid, Squeeze (both nano
> 2.2.4-1) and Ubuntu Lucid (nano 2.2.2-1).
>
> So I suspect this regression has been introduced with the 2.1/2.2
> series of nano.
>
> -- System Information:
> Debian Release: squeeze/sid
>  APT prefers unstable
>  APT policy: (990, 'unstable'), (600, 'testing'), (500, 'oldstable'), (400, 
> 'stable'), (110, 'experimental')
> Architecture: amd64 (x86_64)
>
> Kernel: Linux 2.6.26-2-xen-amd64 (SMP w/1 CPU core)
> Locale: LANG=en_US.ISO-8859-15, LC_CTYPE=en_US.ISO-8859-15 
> (charmap=ISO-8859-15)
> Shell: /bin/sh linked to /bin/dash
>
> Versions of packages nano depends on:
> ii  dpkg                      1.15.7.2       Debian package management system
> ii  install-info              4.13a.dfsg.1-5 Manage installed documentation in
> ii  libc6                     2.10.2-9       Embedded GNU C Library: Shared 
> lib
> ii  libncursesw5              5.7+20100313-2 shared libraries for terminal 
> hand
>
> nano recommends no packages.
>
> Versions of packages nano suggests:
> pn  spell                         <none>     (no description available)
>
> -- no debconf information
>
>
> _______________________________________________
> Nano-devel mailing list
> address@hidden
> http://lists.gnu.org/mailman/listinfo/nano-devel
>
>