Bug#690334: libfile-mimeinfo-perl: Fail to match a mimetype with regexp character in its name

[Samuel Loury]

Package: libfile-mimeinfo-perl
Version: 0.16-1
Severity: important

Dear Maintainer,
Trying mimeopen somefile.svg (associated to the mimetype image/svg+xml), I did not succeed in having the association to my default svg editor done.
My XDG_DATA_DIRS points to a directory with a applications/mimeinfo.cache file in with the following content:

[MIME Cache]
image/svg+xml=mirage.desktop;

Debugging the mimeinfo call with perl -d, I found out that when parsing the mimeinfo lines to get the association mime -> desktop file, it uses the
following regexp /^$mimetype=(.*)$/ with mimetype=image/svg+xml.
This does not match the line image/svg+xml=mirage.desktop;, I guess because the + is interpreted like the regexp special character.

The expecation with such use case would be to find the match and return the associated mirage.desktop entry.

The problematic line is at line 123 of the /usr/share/perl5/File/MimeInfo/Applications.pm file (line 5 of the _read_list subroutine).

-- System Information:
Debian Release: wheezy/sid
  APT prefers stable
  APT policy: (650, 'stable')
Architecture: i386 (i686)

Kernel: Linux 2.6.32-5-686 (SMP w/2 CPU cores)
Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8) (ignored: LC_ALL set to fr_FR.UTF-8)
Shell: /bin/sh linked to /bin/bash

Versions of packages libfile-mimeinfo-perl depends on:
ii  libfile-basedir-perl          0.03-1     Perl module to use the freedesktop
ii  libfile-desktopentry-perl     0.04-3     Perl module to handle freedesktop 
ii  perl                          5.14.2-13  Larry Wall's Practical Extraction 
ii  shared-mime-info              1.0-1+b1   FreeDesktop.org shared MIME databa

libfile-mimeinfo-perl recommends no packages.

libfile-mimeinfo-perl suggests no packages.

-- no debconf information
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