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Merge pull request #28 from expipiplus1/joe-nix-path

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Prevent User's overlays and config tainting the build
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Silvan Mosberger 2019-10-14 11:52:19 +02:00 committed by GitHub
commit 971421b6c4
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1 changed files with 5 additions and 1 deletions
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6
src/Main.hs
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@ -139,8 +139,12 @@ genBaseLibraries :: FilePath -> Version -> String -> App ()
genBaseLibraries root version@(Version major minor patch) nixpkgsRev = do
contents <- Cache.get Cache.ExpiresNever ("per-ghcMinor" </> show major ++ show minor) $ do
git nixpkgs [ "checkout", nixpkgsRev ]
let -- Arguments to set config and overlays to nothing so
-- that they aren't sourced from the user's configuration
-- files in ~/.config/nixpkgs
purePkgs = [ "--arg", "config", "{}", "--arg", "overlays", "[]" ]
ghcPath <- liftIO $ init <$> readProcess "nix-build"
[ "--no-out-link", "<nixpkgs>", "-A", "haskell.compiler." ++ nixVersion version ] ""
([ "--no-out-link", "<nixpkgs>", "-A", "haskell.compiler." ++ nixVersion version ] ++ purePkgs) ""
libs <- liftIO $ readProcess (ghcPath </> "bin/ghc-pkg")
[ "list", "--no-user-package-db", "--simple" ] ""
return $ BS.pack libs