wrapping the fetch command

[David Roguin]

Hi,

I want to wrap the fetch command or the fetch function. I've tried this with
so far:

extensions.wrapcommand(commands.table, 'fetch', _fetch)
and
extensions.wrapfunction(extensions.find('fetch'), 'fetch', _fetch)

neither of them is working, I believe commands.table doesn't contain
extensions commands, and I really don't have a clue about was going on with
the wrapfunction.
Inside of _fetch is ui.write("fetching") but nothing is printing on screen.

Any pointers?

-- 
David
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