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{
description = "gsa-parser";
inputs.haskellNix.url = "github:input-output-hk/haskell.nix";
inputs.nixpkgs.follows = "haskellNix/nixpkgs-unstable";
inputs.flake-utils.url = "github:numtide/flake-utils";
outputs = { self, nixpkgs, flake-utils, haskellNix }:
flake-utils.lib.eachDefaultSystem (system:
let
overlay = self: _: {
hsPkgs =
self.haskell-nix.project' rec {
src = ./.;
compiler-nix-name = "ghc8107";
shell = {
tools = {
cabal = { };
ghcid = { };
haskell-language-server = { };
hlint = { };
ormolu = { };
};
## ormolu that uses ImportQualifiedPost.
## To use, remove ormolu from the shell.tools section above, and uncomment the following lines.
# buildInputs =
# let
# ormolu = pkgs.haskell-nix.tool compiler-nix-name "ormolu" "latest";
# ormolu-wrapped = pkgs.writeShellScriptBin "ormolu" ''
# ${ormolu}/bin/ormolu --ghc-opt=-XImportQualifiedPost $@
# '';
# in
# [ ormolu-wrapped ];
};
};
};
pkgs = import nixpkgs {
inherit system;
overlays = [
haskellNix.overlay
overlay
];
};
flake = pkgs.hsPkgs.flake { };
in
flake // { defaultPackage = flake.packages."gsa-parser:exe:gsa-parser-exe"; }
);
}
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