{
  description = "pdsfs - mount an atproto PDS repository as a FUSE filesystem";

  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
    rust-overlay.url = "github:oxalica/rust-overlay";
    flake-utils.url = "github:numtide/flake-utils";
  };

  outputs = { self, nixpkgs, rust-overlay, flake-utils }:
    flake-utils.lib.eachDefaultSystem (system:
      let
        overlays = [ (import rust-overlay) ];
        pkgs = import nixpkgs {
          inherit system overlays;
        };

        rustToolchain = 
          if builtins.pathExists ./rust-toolchain.toml
          then pkgs.rust-bin.fromRustupToolchainFile ./rust-toolchain.toml
          else pkgs.rust-bin.stable.latest.default.override {
            extensions = [ "rust-src" "rust-analyzer" ];
          };

        nativeBuildInputs = with pkgs; [
          rustToolchain
          pkg-config
        ];

        buildInputs = with pkgs; [
          fuse3
          openssl
        ] ++ lib.optionals stdenv.isDarwin [
          darwin.apple_sdk.frameworks.Security
          darwin.apple_sdk.frameworks.CoreServices
        ];

        pdsfs = pkgs.rustPlatform.buildRustPackage {
          pname = "pdsfs";
          version = "0.1.0";

          src = ./.;

          cargoLock = {
            lockFile = ./Cargo.lock;
          };

          inherit nativeBuildInputs buildInputs;

          # Skip tests that require network access or FUSE capabilities
          doCheck = false;

          meta = with pkgs.lib; {
            description = "Mount an atproto PDS repository as a FUSE filesystem";
            homepage = "https://github.com/tangled/pdsfs"; # Update with actual repository URL
            license = licenses.mit; # Update with actual license
            maintainers = [ ]; # Add maintainers if desired
            platforms = platforms.linux ++ platforms.darwin;
          };
        };
      in
      {
        packages = {
          default = pdsfs;
          pdsfs = pdsfs;
        };

        devShells.default = pkgs.mkShell {
          inherit buildInputs nativeBuildInputs;

          shellHook = ''
            echo "pdsfs development environment"
            echo "Run 'cargo build' to build the project"
            echo "Run 'cargo run -- <handle>' to mount a PDS repository"
            echo ""
            echo "FUSE development notes:"
            echo "- Ensure you have FUSE permissions (add user to 'fuse' group if needed)"
            echo "- Use 'fusermount -u <mountpoint>' to unmount if needed"
          '';
        };

        # Allow building with different Rust versions
        devShells.rust-nightly = pkgs.mkShell {
          buildInputs = buildInputs ++ [
            (pkgs.rust-bin.nightly.latest.default.override {
              extensions = [ "rust-src" "rust-analyzer" ];
            })
            pkgs.pkg-config
          ];
        };
      });
}