37 lines
1.4 KiB
Nix
37 lines
1.4 KiB
Nix
{
|
|
# inspired by: https://serokell.io/blog/practical-nix-flakes#packaging-existing-applications
|
|
description = "A Hello World in Haskell with a dependency and a devShell";
|
|
inputs.nixpkgs.url = "nixpkgs";
|
|
outputs = { self, nixpkgs }:
|
|
let
|
|
supportedSystems = [ "x86_64-linux" "x86_64-darwin" ];
|
|
forAllSystems = f: nixpkgs.lib.genAttrs supportedSystems (system: f system);
|
|
nixpkgsFor = forAllSystems (system: import nixpkgs {
|
|
inherit system;
|
|
overlays = [ self.overlay ];
|
|
});
|
|
in
|
|
{
|
|
overlay = (final: prev: {
|
|
interview-in = final.haskellPackages.callCabal2nix "in23" ./. {};
|
|
});
|
|
packages = forAllSystems (system: {
|
|
interview-in = nixpkgsFor.${system}.interview-in;
|
|
});
|
|
defaultPackage = forAllSystems (system: self.packages.${system}.interview-in);
|
|
checks = self.packages;
|
|
devShell = forAllSystems (system: let haskellPackages = nixpkgsFor.${system}.haskellPackages;
|
|
in haskellPackages.shellFor {
|
|
packages = p: [self.packages.${system}.interview-in];
|
|
withHoogle = true;
|
|
buildInputs = with haskellPackages; [
|
|
haskell-language-server
|
|
ghcid
|
|
cabal-install
|
|
];
|
|
# Change the prompt to show that you are in a devShell
|
|
shellHook = "export PS1='\\e[1;34mdev > \\e[0m'";
|
|
});
|
|
};
|
|
}
|