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Bug#847780: marked as done (zbar-tools: zbarimg fails on svg barcodes with cryptic error message unless librsvg2-bin is installed.)

Your message dated Thu, 09 May 2019 09:47:55 +0200
with message-id <0aba52c16de580c7331d5fcec9796b58@phys.ethz.ch>
and subject line zbar-tools: zbarimg fails on svg barcodes with cryptic error message unless librsvg2-bin is installed.
has caused the Debian Bug report #847780,
regarding zbar-tools: zbarimg fails on svg barcodes with cryptic error message unless librsvg2-bin is installed.
to be marked as done.

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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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-- 
847780: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=847780
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: zbar-tools
Version: 0.10+doc-10+b2
Severity: normal

i don't have librsvg2-bin installed:

0 dkg@alice:~$ qrencode -l H -t SVG -o foo.svg 'blah blah blah'
0 dkg@alice:~$ zbarimg foo.svg 
ERROR: unable to open file `/tmp/magick-27173Tslqs3l2JcPp': No such file or directory @ error/constitute.c/ReadImage/544
1 dkg@alice:~$

But when i install librsvg2-bin, zbarimg works as expected.

So under the hood, i think zbarimg is invoking /usr/bin/rsvg-convert
to do the conversion -- i suspect this is part of imagemagick, since
zbarimg links to libraries shipped in libmagickwand-6.q16-2

but those libraries fail to process svg files unless librsvg2-bin is
installed.

I understand that this isn't a strict dependency -- the tools work
fine for everything but svg afaict.  But the error message should at
least give the user a hint about what's wrong and how to fix it,
rather than a cryptic message about /tmp/magick-blahblahblah

thanks for maintaining zbar in debian!

       --dkg

-- System Information:
Debian Release: stretch/sid
  APT prefers testing-debug
  APT policy: (500, 'testing-debug'), (500, 'testing'), (200, 'unstable-debug'), (200, 'unstable'), (1, 'experimental-debug'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.8.0-1-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages zbar-tools depends on:
ii  libc6                  2.24-7
ii  libgomp1               6.2.1-5
ii  libjpeg62-turbo        1:1.5.1-2
ii  libmagickcore-6.q16-2  8:6.9.6.6+dfsg-1
ii  libmagickwand-6.q16-2  8:6.9.6.6+dfsg-1
ii  libv4l-0               1.10.1-1
ii  libzbar0               0.10+doc-10+b2

zbar-tools recommends no packages.

zbar-tools suggests no packages.

-- no debconf information

--- End Message ---
--- Begin Message --- 
fixed with 0.22-1 (or earlier)

$ dpkg -l |grep librsvg2-bin
$ qrencode -l H -t SVG -o foo.svg 'blah blah blah'
$ zbarimg foo.svg
QR-Code:blah blah blah
scanned 1 barcode symbols from 1 images in 0.01 seconds

Best,

--- End Message ---
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