paths in .cabal/config

Dear Haskell-Cafe,

I am wondering if there is a way to use variables in paths
that appear in .cabal/config file?

I have written a custom config file that I would like to
share. However, my config file contains full paths s.a.

world-file: /home/semen/.cabal/world

etc. Is there any way I could make it less personal, e.g.

world-file: /home/${HOME}/.cabal/world

Many thanks,
Sem

--

-- 
Семен Тригубенко

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