[Haskell-cafe] How to update Cabal manually?
jeffbrown.the at gmail.com
Mon Dec 1 03:03:37 UTC 2014
"cabal install cabal-install" is not working for me. I am not the first to
find this problem; it is mentioned here
"Notice, that in some cases (OS X, especially) the new cabal-install might
not be installed on top of the previous one, and the old cabal-install must
be replaced manually"
I don't know how to manually replace Cabal. The closest thing I could find
to instructions for that were here
but I don't understand them.
The Haskell Platform installer is what installed Cabal for me. I have not
found how to undo that, nor how to install Cabal in any other fashion.
Running the Haskell Platform installer again seems dangerous, potentially
conflicting with its earlier work.
A likely unnecessary shell transcript demonstrating the problem appears
I am running OS X 10.9 on a MacBook Pro, of which the decision to purchase
I regret more daily.
When I try to update cabal, it looks like it works:
jefferys-mbp:~ jbb$ cabal install cabal-install
Updating documentation index /Users/jbb/Library/Haskell/share/doc/index.html
But the version number exhibits no change:
jefferys-mbp:~ jbb$ cabal --version
cabal-install version 18.104.22.168
using version 22.214.171.124 of the Cabal library
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