rcv-site/flake.nix

41 lines
1.5 KiB
Nix

{
description = "A very basic flake";
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.eachSystem [ "x86_64-linux" "x86_64-darwin" ] (system:
let
overlays = [ haskellNix.overlay
(final: prev: {
# This overlay adds our project to pkgs
helloProject =
final.haskell-nix.project' {
src = ./.;
compiler-nix-name = "ghc8107";
# This is used by `nix develop .` to open a shell for use with
# `cabal`, `hlint` and `haskell-language-server`
shell.tools = {
cabal = {};
hlint = {};
haskell-language-server = {};
};
# Non-Haskell shell tools go here
shell.buildInputs = with pkgs; [
nixpkgs-fmt
];
# This adds `js-unknown-ghcjs-cabal` to the shell.
shell.crossPlatform = p: [p.ghcjs];
};
})
];
pkgs = (import nixpkgs { inherit system overlays; inherit (haskellNix) config; }).pkgsCross.ghcjs;
flake = pkgs.helloProject.flake {
# This adds support for `nix build .#js-unknown-ghcjs-cabal:hello:exe:hello`
crossPlatforms = p: [p.ghcjs];
};
in flake // {
# Built by `nix build .`
defaultPackage = flake.packages."rcv-site:exe:client";
});
}