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90b859b202
* Add an action to build and cache the nix-shell * [nix] ghc-paths must always be in the package set Otherwise ghc-check will not get the Nix libdir and fail at compile time * [nix] extract the nixpkgs instantiation to nix/default.nix * [nix] niv init * [nix] switch to haskell-updates * Mention the Cachix binary cache in the README * [nix] pin the version used to set up Cachix * [nix] disable tests and jailbreak 8.10.x packages * [nix] rely on cabal2nix to enumerate the dependencies * [nix] install haskell tools from the Nix cache
44 lines
1.2 KiB
Nix
44 lines
1.2 KiB
Nix
# This shell.nix file is designed for use with cabal build
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# It does **not** aim to replace Cabal
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# Maintaining this file:
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#
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# - Bump the nixpkgs version using `niv update nixpkgs`
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{ compiler ? "default",
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withHoogle ? false,
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nixpkgs ? import ./nix {}
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}:
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with nixpkgs;
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let defaultCompiler = "ghc" + lib.replaceStrings ["."] [""] haskellPackages.ghc.version;
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haskellPackagesForProject =
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if compiler == "default"
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then ourHaskell.packages.${defaultCompiler}
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else ourHaskell.packages.${compiler};
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ghcide = p: haskell.lib.doCheck
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(p.callCabal2nixWithOptions "ghcide" ./. "--benchmark" {});
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isSupported = compiler == "default" || compiler == defaultCompiler;
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in
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haskellPackagesForProject.shellFor {
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inherit withHoogle;
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doBenchmark = true;
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packages = p: [ (if isSupported then ghcide p else p.ghc-paths) ];
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buildInputs = [
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gmp
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zlib
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ncurses
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haskellPackages.cabal-install
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haskellPackages.hlint
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haskellPackages.ormolu
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haskellPackages.stylish-haskell
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];
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src = null;
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shellHook = ''
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export LD_LIBRARY_PATH=${gmp}/lib:${zlib}/lib:${ncurses}/lib
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export PATH=$PATH:$HOME/.local/bin
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'';
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}
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