squiggle/flake.nix
2022-03-24 12:33:37 -04:00

67 lines
2.2 KiB
Nix

{
description = "Building codium for rescript development";
inputs = {
nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
};
outputs =
{ self
, nixpkgs
}:
let
# Generate a user-friendly version number.
version = builtins.substring 0 8 self.lastModifiedDate;
# System types to support.
supportedSystems = [ "x86_64-linux" "aarch64-linux" "aarch64-darwin" ];
# Helper function to generate an attrset '{ x86_64-linux = f "x86_64-linux"; ... }'.
forAllSystems = nixpkgs.lib.genAttrs supportedSystems;
# Nixpkgs instantiated for supported system types.
nixpkgsFor = forAllSystems (system:
import nixpkgs {
inherit system;
overlays = [ self.overlay ];
});
in
{
overlay = final: prev: { };
# the default devShell used when running `nix develop`
devShell = forAllSystems (system: self.devShells.${system}.defaultShell);
devShells = forAllSystems (system:
let
pkgs = nixpkgsFor."${system}";
in
{
# In case we don't want to provide an editor, this defaultShell will
# provide only coq packages we need.
defaultShell = pkgs.mkShell {
buildInputs = with pkgs; [
yarn
];
};
# This is the defaultShell, but overriden to add one additional buildInput,
# vscodium!
vscodium = self.devShells.${system}.defaultShell.overrideAttrs (old: {
buildInputs =
let
vscodeWithRescript = pkgs.vscode-with-extensions.override {
vscode = pkgs.vscodium;
vscodeExtensions = pkgs.vscode-utils.extensionsFromVscodeMarketplace [
{
name = "rescript-vscode";
publisher = "rescript-lang";
version = "1.2.1";
sha256 = "sha256-b0gCaEzt5yAj53oLFZSXSD3bum9J1fYes/uf9+OlUek=";
}
];
};
in
old.buildInputs
++ [
vscodeWithRescript
];
});
});
};
}