Re: [ANN] Bugzilla upgraded to 4.4.10

On 19.09.2015 21:32, Robinson Tryon wrote:
> > On Sat, Sep 19, 2015 at 09:30:55AM -0700, julien2412 wrote:
> > > I'm not sure and, perhaps it's not related, but it seems docx attachments
> > > have mimetype "application/zip" instead of
> > > "application/vnd.openxmlformats-officedocument.wordprocessingml.document"
> > > (eg: https://bugs.documentfoundation.org/show_bug.cgi?id=94359). Even if
> > > confirmed, not a blocker of course ! :-)
>
> Because OOXML and ODF both use ZIP as a container for a bunch of XML,
> I wonder if the type-detecting mechanisms aren't sufficiently nuanced
> to detect and differentiate between ZIP and ZIP+(DOCX guts).

> Looks like ODF files are recognized quite well on this system, but
> it's struggling with OOXML. Is there a correlation between authoring
> software and recognition?

ODF packages were specifically designed so that relatively dumb tools
like "file" can just look up the mimetype at a particular offset in the
file; OOXML packages on the other hand don't make it so easy.

> On Sat, Sep 19, 2015 at 1:27 PM, David Tardon <dtardon@redhat.com> wrote:
> > That's nothing new. The attachment format auto-detection has never really
> > worked.
>
> We did have much worse file-type detection when we were hosted at FDO,
> but I believe that things have gotten significantly better.

yes, there has definitely been a significant improvement.

> David: Is there something we could do to help upstream utilities more
> easily recognize OOXML files?  (both files that LibreOffice creates,
> as well as ones from other sources)

possibly the check in file could be made smarter, if anybody has time to
investigate that...