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haskell-language-server: Tune overrides to increase dependency sharing

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maralorn 2022-10-27 23:53:43 +02:00
parent 09cf8c3f30
commit fc886ef1fc
1 changed files with 10 additions and 0 deletions
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pkgs/development/haskell-modules/configuration-common.nix
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@ -1557,6 +1557,16 @@ self: super: {
hlint = enableCabalFlag "ghc-lib" lself.hlint_3_4_1;
ghc-lib-parser-ex = self.ghc-lib-parser-ex_9_2_0_4;
ghc-lib-parser = lself.ghc-lib-parser_9_2_4_20220729;
# For most ghc versions, we overrideScope Cabal in the configuration-ghc-???.nix,
# because some packages, like ormolu, need a newer Cabal version.
# ghc-paths is special because it depends on Cabal for building
# its Setup.hs, and therefor declares a Cabal dependency, but does
# not actually use it as a build dependency.
# That means ghc-paths can just use the ghc included Cabal version,
# without causing package-db incoherence and we should do that because
# otherwise we have different versions of ghc-paths
# around with have the same abi-hash, which can lead to confusions and conflicts.
ghc-paths = lsuper.ghc-paths.override { Cabal = null; };
});
hls-hlint-plugin = super.hls-hlint-plugin.overrideScope (lself: lsuper: {