flake.nix

# This flake was initially generated by fh, the CLI for FlakeHub (version 0.1.6)
{
  description = "ia-get";

  # Flake inputs
  inputs = {
    flake-schemas.url = "https://flakehub.com/f/DeterminateSystems/flake-schemas/*.tar.gz";
    nixpkgs.url = "https://flakehub.com/f/NixOS/nixpkgs/*.tar.gz";

    rust-overlay = {
      url = "github:oxalica/rust-overlay";
      inputs.nixpkgs.follows = "nixpkgs";
    };
  };

  # Flake outputs that other flakes can use
  outputs =
    {
      self,
      flake-schemas,
      nixpkgs,
      rust-overlay,
    }:
    let
      meta = (builtins.fromTOML (builtins.readFile ./Cargo.toml)).package;
      lastModifiedDate = self.lastModifiedDate or self.lastModified or "19700101";
      version = "${builtins.substring 0 8 lastModifiedDate}-${self.shortRev or "dirty"}";

      # Nixpkgs overlays
      overlays = [
        rust-overlay.overlays.default
        (final: prev: {
          rustToolchain = final.rust-bin.stable.latest.default;
        })
      ];

      # Helpers for producing system-specific outputs
      supportedSystems = [
        "x86_64-linux"
        "aarch64-darwin"
        "x86_64-darwin"
        "aarch64-linux"
      ];
      forEachSupportedSystem =
        f:
        nixpkgs.lib.genAttrs supportedSystems (
          system:
          f {
            pkgs = import nixpkgs { inherit overlays system; };
          }
        );
    in
    {
      # Schemas tell Nix about the structure of your flake's outputs
      schemas = flake-schemas.schemas;

      # Development environments
      devShells = forEachSupportedSystem (
        { pkgs }:
        {
          default = pkgs.mkShell {
            # Pinned packages available in the environment
            packages = with pkgs; [
              rustToolchain
              rust-analyzer
              nixpkgs-fmt
              git
              gh
              nodejs
              cargo-watch
              cargo-edit
              clippy
              rustfmt
            ];

            # Environment variables that help with development
            shellHook = ''
              echo "🦀 Rust development environment loaded"
              echo "📝 rust-analyzer tools available"
              export RUST_BACKTRACE=1
            '';
          };
        }
      );

      # Package outputs from the flake
      packages = forEachSupportedSystem (
        { pkgs }:
        {
          default = pkgs.rustPlatform.buildRustPackage {
            name = "${meta.name}-${version}";
            src = self;
            cargoLock.lockFile = ./Cargo.lock;
          };
        }
      );
    };
}