Comment 5 for bug 174964

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lotorev vitaly пишет:
> I seem to have understood the problem, hmmm... my problem.
> I've just started to fiddle with bzr. My first experimental branch has around new 300 files. so Diff between revision is huge. After two minutes of 'hanging' qlog showed the difference for all 300 files. So it works correctly.
>
> Now I performed " bzr branch http://bazaar-vcs.org/bzr/bzr.dev bzr.dev " to get bzr trunk to try on another branch.
> On this branch Qlog works the way it must.
>
> The only thing I don't understand is the message "QCoreApplication::exec
> The event loop is already running". I did have it yesterday, but now I
> can't repeat it, even on my own branch.
>
> Probably it's a good idea to warn user that it can take time to build
> Diff, but it's probably impossible to estimate in advance how many
> differences there are between revisions user chose.

As variant we can show [empty] diff window and some sort of progress bar to inform user about work
in progress.
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