{

description = "WebGear Project";

inputs = {

nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";

flake-utils.url = "github:numtide/flake-utils";

gitignore = {

url = "github:hercules-ci/gitignore.nix";

# Use the same nixpkgs

inputs.nixpkgs.follows = "nixpkgs";

};

};

outputs = { self, nixpkgs, flake-utils, gitignore }:

{

overlays.default = import ./nix/overlays/haskell.nix { inherit gitignore; };

}

// flake-utils.lib.eachSystem ["x86_64-linux" "x86_64-darwin"] (system:

let

pkgs = import nixpkgs {

inherit system;

overlays = [ self.overlays.default ];

};

mkVersionedPackages = ghcVersion:

pkgs.lib.attrsets.mapAttrs' (name: _: {

name = "${name}-ghc${ghcVersion}";

value = pkgs.haskell.packages."ghc${ghcVersion}".${name};

}) pkgs.localHsPackages;

versionedDevShells = pkgs.lib.mapcat pkgs.mkDevShell pkgs.ghcVersions;

in {

packages = pkgs.lib.mapcat mkVersionedPackages pkgs.ghcVersions;

devShells = pkgs.hackageUploadShell // versionedDevShells // {

default = versionedDevShells."webgear-dev-ghc${pkgs.defaultGHCVersion}";

};

});

}