[rfc] branch/merge/push/pull operations with remote location (sftp/ftp) that require password and GUI

[Aaron Bentley]

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Alexander Belchenko wrote:
> I think that simple solution could be to raise some custom exception
> when user clicks CANCEL (IIUC, this exception should be raised from
> within method that invoked by bzrlib to update progress bar). And in
> main GUI code that invoke long bzrlib operation just catch this error.
> 
> I'm slightly worrying about state of bzrlib after this termination. Is
> it safe way or I need to use something different?

I think it's a very similar situation to KeyboardInterrupt, which we
handle just fine.

Aaron
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