[Users] firefox opens new copy of claws

Dave Howorth dave at howorth.org.uk
Wed Jan 8 14:34:33 CET 2020

On Mon, 6 Jan 2020 15:16:49 +0100
Michael Schwendt <bugs.michael at gmx.net> wrote:

> On Mon, 6 Jan 2020 13:21:17 +0000, Dave Howorth wrote:
> > > If you set $TMPDIR for your user, does that make a difference?  
> >
> > Sorry I don't understand. I don't know what those tmpdirs are used
> > for or their relevance to my problem, nor understand how to fix it.
> > Sorry to be so ignorant.  
> Find some background in this old ticket about Fedora/Red Hat:
> https://bugzilla.redhat.com/show_bug.cgi?id=956380#c5
> In the tmp directory, Claws Mail stores runtime files that are used to
> detect an already running instance.
> Basically, Claws Mail defaults to using /tmp based on what
> g_get_tmp_dir() returns, if no environment variables have been
> customized. And Firefox defaults to something else *and* may export
> that to the runtime environment when launching Claws Mail, so where
> it would use /tmp by default, suddenly it would use the different dir
> exported by Firefox. Boom!

Thanks for the expertise.

This is now https://bugzilla.mozilla.org/show_bug.cgi?id=1607748
and http://bugzilla.opensuse.org/show_bug.cgi?id=1160317

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