41 lines
1.1 KiB
Nix
41 lines
1.1 KiB
Nix
{
|
|
description = "A minimal Haskell flake";
|
|
|
|
inputs = {
|
|
nixpkgs.url = "github:nixos/nixpkgs/nixos-21.11";
|
|
flake-utils = {
|
|
url = "github:numtide/flake-utils";
|
|
inputs.nixpkgs.follows = "nixpkgs";
|
|
};
|
|
};
|
|
|
|
outputs = { self, nixpkgs, flake-utils }:
|
|
flake-utils.lib.eachDefaultSystem (system:
|
|
let
|
|
pkgs = import nixpkgs { inherit system; };
|
|
|
|
haskell = {
|
|
ghc = pkgs.haskellPackages.ghc;
|
|
hls = pkgs.haskell-language-server.override {
|
|
supportedGhcVersions = [ "8107" ];
|
|
};
|
|
};
|
|
in
|
|
with pkgs; {
|
|
devShell = mkShell {
|
|
buildInputs = [
|
|
haskell.ghc
|
|
haskell.hls
|
|
gdb
|
|
# GHC depends on LANG so need this package to properly interpret our
|
|
# files with e.g. tasty-discover.
|
|
# https://www.reddit.com/r/Nix/comments/jyczts/nixshell_locale_issue/
|
|
glibcLocales
|
|
haskellPackages.cabal-install
|
|
haskellPackages.ormolu
|
|
haskellPackages.tasty-discover
|
|
];
|
|
};
|
|
});
|
|
}
|