[Haskell-cafe] Improved ghc-pkg cache warnings

[Andrew Pennebaker]

When ghc-pkg observes your cache is out of date, it displays a helpful
warning, recommending "ghc-pkg recache". However, sometimes running this
command does not fix the problem, because it targets the wrong cache.

For out of date global caches, "ghc-pkg --global recache" successfully
clears the warning. For out of date user caches, "ghc-pkg --user recache"
clears the warning.

In the future, could ghc-pkg display the command more specific to the
problem?

-- 
Cheers,

Andrew Pennebaker
www.yellosoft.us
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