nix-serve-ng/flake.nix
Gabriella Gonzalez db246ffa56
Use packageSourceOverrides (#3)
The original reason for not using this was to
work around a mistake on our end.  When we specified
`nix` via the `extra-libraries` clause of the `.cabal`
file instead of `pkgconfig-depends` that messed up the
file generated by `cabal2nix` which entailed various
work-arounds.  Those workarounds are no longer necessary,
so we can switch to `packageSourceOverrides`
2022-07-06 12:50:53 -07:00

70 lines
1.8 KiB
Nix

{ inputs = {
nixpkgs.url = github:NixOS/nixpkgs/22.05;
utils.url = github:numtide/flake-utils;
flake-compat = {
url = "github:edolstra/flake-compat";
flake = false;
};
};
outputs = { nixpkgs, utils, ... }:
utils.lib.eachDefaultSystem (system:
let
overlay = pkgsNew: pkgsOld: {
haskellPackages = pkgsOld.haskellPackages.override (old: {
overrides =
pkgsNew.lib.fold pkgsNew.lib.composeExtensions (old.overrides or (_: _: { })) [
(pkgsNew.haskell.lib.packageSourceOverrides {
nix-serve-ng = ./.;
})
(haskellPackagesNew: haskellPackagesOld: {
nix-serve-ng =
pkgsNew.haskell.lib.overrideCabal
haskellPackagesOld.nix-serve-ng
(old: {
executableSystemDepends = (old.executableSystemDepends or []) ++ [
pkgsNew.boost.dev
];
});
})
];
});
nix-serve-ng =
pkgsNew.haskell.lib.justStaticExecutables
pkgsNew.haskellPackages.nix-serve-ng;
};
pkgs = import nixpkgs {
config = { };
overlays = [ overlay ];
inherit system;
};
inherit (pkgs) nix-serve-ng;
in
rec {
packages.default = nix-serve-ng;
defaultPackage = packages.default;
apps.default = {
type = "app";
program = "${nix-serve-ng}/bin/nix-serve-ng";
};
defaultApp = apps.default;
devShells.default =
(pkgs.haskell.lib.doBenchmark pkgs.haskellPackages.nix-serve-ng).env;
devShell = devShells.default;
});
}