The installation instructions at the Stackage web site describe how to use it for one project.
Is there a way how to configure Stackage to be the default for all users and install packages globally available to them?
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can't you just set `remote-repo` in `~/.cabal/config`? – ibotty Jun 17 '15 at 16:56
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@ibotty Yes, but I'm interested in making it the default for all users, in particular I need to avoid any changes in `~/.cabal`. – Petr Jun 17 '15 at 16:58
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1Ah, I see. The other "global". I assumed you meant not in a sandbox. – ibotty Jun 17 '15 at 17:09
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AFAIK cabal does not support a global config file. But even that won't help by itself because afaict, you can't disable configured remote-repos anyway.
So I see two approaches with obvious drawbacks.
Clean way for new users
Install a /etc/skel/.cabal/config file that will be copied to new user accounts. That won't help with older users though.
Hacky way for all users
Install a global alias (or shell script wrapper) with name cabal that calls cabal --remote-repo=hackage.haskell.org:http://www.stackage.org/lts.
Users can opt out by unaliasing cabal or using the real cabal executable when using a shell script.
Users will be utterly confused though, because cabal will tell users it uses hackage, when in fact it is using stackage.
ibotty
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