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Document environment variables

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Julian Ospald 2020-04-22 16:14:10 +02:00
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app/ghcup/Main.hs
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@ -640,7 +640,11 @@ main = do
let main_footer = [i|Discussion:
ghcup installs the Glasgow Haskell Compiler from the official
release channels, enabling you to easily switch between different
versions.
versions. It maintains a self-contained ~/.ghcup directory.
ENV variables:
* TMPDIR: where ghcup does the work (unpacking, building, ...)
* GHCUP_INSTALL_BASE_PREFIX: the base of ghcup (default: $HOME)
Report bugs at <https://gitlab.haskell.org/haskell/ghcup-hs/issues>|]