aerospace fork
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private struct ConfigFileWatcher: ~Copyable { private let source: DispatchSourceFileSystemObject private let fd: Int32
init?(url: URL, onChange: @escaping @MainActor () -> Void) { fd = unsafe open(url.path, O_EVTONLY) if fd < 0 { return nil } source = DispatchSource.makeFileSystemObjectSource( fileDescriptor: fd, eventMask: [.write, .delete, .rename, .revoke], queue: .main, ) source.setEventHandler { MainActor.checkIsolated { onChange() } } source.setCancelHandler { [fd] in close(fd) } source.activate() }
deinit { source.cancel() }}
@MainActor private var currentWatcher: ConfigFileWatcher? = nil@MainActor private var debounceTask: Task<Void, any Error>? = nil
private let debounceDelay: Duration = .milliseconds(200)
@MainActor func syncConfigFileWatcher() { currentWatcher = nil if !config.autoReloadConfig { return } currentWatcher = ConfigFileWatcher(url: configUrl) { debounceTask?.cancel() debounceTask = Task.startUnstructured { try await Task.sleep(for: debounceDelay) if let token: RunSessionGuard = .isServerEnabled { try await runLightSession(.configAutoReload, token) { _ = await reloadConfig_nonCancellable() } } } }}