{
  lib,
  rustPlatform,
  openssl,
  pkg-config,
  version,
  lto ? true,
  optimizeSize ? false,
}:
rustPlatform.buildRustPackage {
  pname = "nixpkgs-tracker-bot";
  inherit version;

  src = lib.fileset.toSource {
    root = ../.;
    fileset = lib.fileset.unions [
      (lib.fileset.gitTracked ../crates)
      ../Cargo.toml
      ../Cargo.lock
    ];
  };

  cargoLock.lockFile = ../Cargo.lock;

  nativeBuildInputs = [ pkg-config ];
  buildInputs = [ openssl ];

  env =
    let
      toRustFlags = lib.mapAttrs' (
        name:
        lib.nameValuePair "CARGO_BUILD_RELEASE_${
          lib.toUpper (builtins.replaceStrings [ "-" ] [ "_" ] name)
        }"
      );
    in
    lib.optionalAttrs lto (toRustFlags {
      lto = "thin";
    })
    // lib.optionalAttrs optimizeSize (toRustFlags {
      codegen-units = 1;
      opt-level = "s";
      panic = "abort";
      strip = "symbols";
    });

  meta = {
    description = "A Discord app for tracking nixpkgs pull requests";
    homepage = "https://github.com/getchoo/nixpkgs-tracker-bot";
    mainProgram = "nixpkgs-tracker-bot";
    license = lib.licenses.mit;
    maintainers = [ lib.maintainers.getchoo ];
  };
}