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flake.nix
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flake.nix
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{
description = "Basic flake with mkDerivation";
inputs = {
nixpkgs = {
url = "github:NixOS/nixpkgs";
};
flake-utils = { url = "github:numtide/flake-utils"; };
};
outputs = {self, nixpkgs, flake-utils, ...}:
flake-utils.lib.eachDefaultSystem (system: let
overlay =
(final: prev: {
rescript = prev.nodePackages.rescript.override {
src = prev.fetchFromGitHub {
owner = "rescript-lang";
repo = "rescript-compiler";
rev = "e0921fa9e67bdf5c7ee301599689db1d9b9894b6";
sha256 = "07vkzdq7qwy5djm37jaxld5m9d55d5aa6bw5s286gm4r139102q4";
};
};
});
pkgs = import nixpkgs { inherit system; overlays = [ overlay ]; };#nixpkgs.legacyPackages.${system};
in
{ # nix develop
# defaultPackage = pkgs.mkShell { #create a new shell with hook > compiles main.rs as run ./main
# buildInputs = [ pkgs.cargo pkgs.rustc ];
# inputsFrom = [ ];
# shellHook = ''
# export DEBUG=1
# rustc main.rs
# ./main
# rm main
# '';
# };
packages.default = pkgs.stdenv.mkDerivation #nix run
{
name = "main";
builder = "${pkgs.bash}/bin/bash";
args = [ ./builder.sh ];
inherit (pkgs) coreutils nodejs;
src = ./.;
system = builtins.currentSystem;
PATH = "${pkgs.coreutils}/bin:${pkgs.nodejs}/bin:${pkgs.rescript}/bin";
};
});
}