main.rs

  1#![allow(unused_variables, dead_code, unused_mut)]
  2// todo!() this is to make transition easier.
  3
  4// Allow binary to be called Zed for a nice application menu when running executable directly
  5#![allow(non_snake_case)]
  6
  7use anyhow::{anyhow, Context as _, Result};
  8use backtrace::Backtrace;
  9use cli::FORCE_CLI_MODE_ENV_VAR_NAME;
 10use client::UserStore;
 11use db::kvp::KEY_VALUE_STORE;
 12use fs::RealFs;
 13use futures::StreamExt;
 14use gpui::{Action, App, AppContext, AsyncAppContext, Context, SemanticVersion, Task};
 15use isahc::{prelude::Configurable, Request};
 16use language::LanguageRegistry;
 17use log::LevelFilter;
 18
 19use node_runtime::RealNodeRuntime;
 20use parking_lot::Mutex;
 21use serde::{Deserialize, Serialize};
 22use settings::{
 23    default_settings, handle_settings_file_changes, watch_config_file, Settings, SettingsStore,
 24};
 25use simplelog::ConfigBuilder;
 26use smol::process::Command;
 27use std::{
 28    env,
 29    ffi::OsStr,
 30    fs::OpenOptions,
 31    io::{IsTerminal, Write},
 32    panic,
 33    path::{Path, PathBuf},
 34    sync::{
 35        atomic::{AtomicU32, Ordering},
 36        Arc,
 37    },
 38    thread,
 39    time::{SystemTime, UNIX_EPOCH},
 40};
 41use util::{
 42    async_maybe,
 43    channel::{parse_zed_link, ReleaseChannel, RELEASE_CHANNEL},
 44    http::{self, HttpClient},
 45    paths, ResultExt,
 46};
 47use uuid::Uuid;
 48use workspace::{AppState, WorkspaceStore};
 49use zed2::{
 50    build_window_options, ensure_only_instance, handle_cli_connection, initialize_workspace,
 51    languages, Assets, IsOnlyInstance, OpenListener, OpenRequest,
 52};
 53
 54mod open_listener;
 55
 56fn main() {
 57    let http = http::client();
 58    init_paths();
 59    init_logger();
 60
 61    if ensure_only_instance() != IsOnlyInstance::Yes {
 62        return;
 63    }
 64
 65    log::info!("========== starting zed ==========");
 66    let app = App::production(Arc::new(Assets));
 67
 68    let installation_id = app.background_executor().block(installation_id()).ok();
 69    let session_id = Uuid::new_v4().to_string();
 70    init_panic_hook(&app, installation_id.clone(), session_id.clone());
 71
 72    let fs = Arc::new(RealFs);
 73    let user_settings_file_rx = watch_config_file(
 74        &app.background_executor(),
 75        fs.clone(),
 76        paths::SETTINGS.clone(),
 77    );
 78    let _user_keymap_file_rx = watch_config_file(
 79        &app.background_executor(),
 80        fs.clone(),
 81        paths::KEYMAP.clone(),
 82    );
 83
 84    let login_shell_env_loaded = if stdout_is_a_pty() {
 85        Task::ready(())
 86    } else {
 87        app.background_executor().spawn(async {
 88            load_login_shell_environment().await.log_err();
 89        })
 90    };
 91
 92    let (listener, mut open_rx) = OpenListener::new();
 93    let listener = Arc::new(listener);
 94    let open_listener = listener.clone();
 95    app.on_open_urls(move |urls, _| open_listener.open_urls(urls));
 96    app.on_reopen(move |_cx| {
 97        // todo!("workspace")
 98        // if cx.has_global::<Weak<AppState>>() {
 99        // if let Some(app_state) = cx.global::<Weak<AppState>>().upgrade() {
100        // workspace::open_new(&app_state, cx, |workspace, cx| {
101        //     Editor::new_file(workspace, &Default::default(), cx)
102        // })
103        // .detach();
104        // }
105        // }
106    });
107
108    app.run(move |cx| {
109        cx.set_global(*RELEASE_CHANNEL);
110        load_embedded_fonts(cx);
111
112        let mut store = SettingsStore::default();
113        store
114            .set_default_settings(default_settings().as_ref(), cx)
115            .unwrap();
116        cx.set_global(store);
117        handle_settings_file_changes(user_settings_file_rx, cx);
118        // handle_keymap_file_changes(user_keymap_file_rx, cx);
119
120        let client = client::Client::new(http.clone(), cx);
121        let mut languages = LanguageRegistry::new(login_shell_env_loaded);
122        let copilot_language_server_id = languages.next_language_server_id();
123        languages.set_executor(cx.background_executor().clone());
124        languages.set_language_server_download_dir(paths::LANGUAGES_DIR.clone());
125        let languages = Arc::new(languages);
126        let node_runtime = RealNodeRuntime::new(http.clone());
127
128        language::init(cx);
129        languages::init(languages.clone(), node_runtime.clone(), cx);
130        let user_store = cx.build_model(|cx| UserStore::new(client.clone(), http.clone(), cx));
131        let workspace_store = cx.build_model(|cx| WorkspaceStore::new(client.clone(), cx));
132
133        cx.set_global(client.clone());
134
135        theme::init(cx);
136        // context_menu::init(cx);
137        project::Project::init(&client, cx);
138        client::init(&client, cx);
139        // command_palette::init(cx);
140        language::init(cx);
141        editor::init(cx);
142        // go_to_line::init(cx);
143        // file_finder::init(cx);
144        // outline::init(cx);
145        // project_symbols::init(cx);
146        // project_panel::init(Assets, cx);
147        // channel::init(&client, user_store.clone(), cx);
148        // diagnostics::init(cx);
149        // search::init(cx);
150        // semantic_index::init(fs.clone(), http.clone(), languages.clone(), cx);
151        // vim::init(cx);
152        // terminal_view::init(cx);
153        copilot::init(
154            copilot_language_server_id,
155            http.clone(),
156            node_runtime.clone(),
157            cx,
158        );
159        // assistant::init(cx);
160        // component_test::init(cx);
161
162        // cx.spawn(|cx| watch_themes(fs.clone(), cx)).detach();
163        // cx.spawn(|_| watch_languages(fs.clone(), languages.clone()))
164        //     .detach();
165        // watch_file_types(fs.clone(), cx);
166
167        // languages.set_theme(theme::current(cx).clone());
168        // cx.observe_global::<SettingsStore, _>({
169        //     let languages = languages.clone();
170        //     move |cx| languages.set_theme(theme::current(cx).clone())
171        // })
172        // .detach();
173
174        // client.telemetry().start(installation_id, session_id, cx);
175
176        let app_state = Arc::new(AppState {
177            languages,
178            client: client.clone(),
179            user_store,
180            fs,
181            build_window_options,
182            initialize_workspace,
183            // background_actions: todo!("ask Mikayla"),
184            workspace_store,
185            node_runtime,
186        });
187        cx.set_global(Arc::downgrade(&app_state));
188
189        // audio::init(Assets, cx);
190        // auto_update::init(http.clone(), client::ZED_SERVER_URL.clone(), cx);
191
192        workspace::init(app_state.clone(), cx);
193        // recent_projects::init(cx);
194
195        // journal2::init(app_state.clone(), cx);
196        // language_selector::init(cx);
197        // theme_selector::init(cx);
198        // activity_indicator::init(cx);
199        // language_tools::init(cx);
200        call::init(app_state.client.clone(), app_state.user_store.clone(), cx);
201        // collab_ui::init(&app_state, cx);
202        // feedback::init(cx);
203        // welcome::init(cx);
204        // zed::init(&app_state, cx);
205
206        // cx.set_menus(menus::menus());
207
208        if stdout_is_a_pty() {
209            cx.activate(true);
210            let urls = collect_url_args();
211            if !urls.is_empty() {
212                listener.open_urls(urls)
213            }
214        } else {
215            upload_previous_panics(http.clone(), cx);
216
217            // TODO Development mode that forces the CLI mode usually runs Zed binary as is instead
218            // of an *app, hence gets no specific callbacks run. Emulate them here, if needed.
219            if std::env::var(FORCE_CLI_MODE_ENV_VAR_NAME).ok().is_some()
220                && !listener.triggered.load(Ordering::Acquire)
221            {
222                listener.open_urls(collect_url_args())
223            }
224        }
225
226        let mut _triggered_authentication = false;
227
228        fn open_paths_and_log_errs(
229            paths: &[PathBuf],
230            app_state: &Arc<AppState>,
231            cx: &mut AppContext,
232        ) {
233            let task = workspace::open_paths(&paths, &app_state, None, cx);
234            cx.spawn(|cx| async move {
235                if let Some((_window, results)) = task.await.log_err() {
236                    for result in results {
237                        if let Some(Err(e)) = result {
238                            log::error!("Error opening path: {}", e);
239                        }
240                    }
241                }
242            })
243            .detach();
244        }
245
246        match open_rx.try_next() {
247            Ok(Some(OpenRequest::Paths { paths })) => {
248                open_paths_and_log_errs(&paths, &app_state, cx)
249            }
250            Ok(Some(OpenRequest::CliConnection { connection })) => {
251                let app_state = app_state.clone();
252                cx.spawn(move |cx| handle_cli_connection(connection, app_state, cx))
253                    .detach();
254            }
255            Ok(Some(OpenRequest::JoinChannel { channel_id: _ })) => {
256                todo!()
257                // triggered_authentication = true;
258                // let app_state = app_state.clone();
259                // let client = client.clone();
260                // cx.spawn(|mut cx| async move {
261                //     // ignore errors here, we'll show a generic "not signed in"
262                //     let _ = authenticate(client, &cx).await;
263                //     cx.update(|cx| workspace::join_channel(channel_id, app_state, None, cx))
264                //         .await
265                // })
266                // .detach_and_log_err(cx)
267            }
268            Ok(Some(OpenRequest::OpenChannelNotes { channel_id: _ })) => {
269                todo!()
270            }
271            Ok(None) | Err(_) => cx
272                .spawn({
273                    let app_state = app_state.clone();
274                    |cx| async move { restore_or_create_workspace(&app_state, cx).await }
275                })
276                .detach(),
277        }
278
279        let app_state = app_state.clone();
280        cx.spawn(|cx| async move {
281            while let Some(request) = open_rx.next().await {
282                match request {
283                    OpenRequest::Paths { paths } => {
284                        cx.update(|cx| open_paths_and_log_errs(&paths, &app_state, cx))
285                            .ok();
286                    }
287                    OpenRequest::CliConnection { connection } => {
288                        let app_state = app_state.clone();
289                        cx.spawn(move |cx| {
290                            handle_cli_connection(connection, app_state.clone(), cx)
291                        })
292                        .detach();
293                    }
294                    OpenRequest::JoinChannel { channel_id: _ } => {
295                        todo!()
296                    }
297                    OpenRequest::OpenChannelNotes { channel_id: _ } => {
298                        todo!()
299                    }
300                }
301            }
302        })
303        .detach();
304
305        // if !triggered_authentication {
306        //     cx.spawn(|cx| async move { authenticate(client, &cx).await })
307        //         .detach_and_log_err(cx);
308        // }
309    });
310}
311
312// async fn authenticate(client: Arc<Client>, cx: &AsyncAppContext) -> Result<()> {
313//     if stdout_is_a_pty() {
314//         if client::IMPERSONATE_LOGIN.is_some() {
315//             client.authenticate_and_connect(false, &cx).await?;
316//         }
317//     } else if client.has_keychain_credentials(&cx) {
318//         client.authenticate_and_connect(true, &cx).await?;
319//     }
320//     Ok::<_, anyhow::Error>(())
321// }
322
323async fn installation_id() -> Result<String> {
324    let legacy_key_name = "device_id";
325
326    if let Ok(Some(installation_id)) = KEY_VALUE_STORE.read_kvp(legacy_key_name) {
327        Ok(installation_id)
328    } else {
329        let installation_id = Uuid::new_v4().to_string();
330
331        KEY_VALUE_STORE
332            .write_kvp(legacy_key_name.to_string(), installation_id.clone())
333            .await?;
334
335        Ok(installation_id)
336    }
337}
338
339async fn restore_or_create_workspace(app_state: &Arc<AppState>, mut cx: AsyncAppContext) {
340    async_maybe!({
341        if let Some(location) = workspace::last_opened_workspace_paths().await {
342            cx.update(|cx| workspace::open_paths(location.paths().as_ref(), app_state, None, cx))?
343                .await
344                .log_err();
345        } else if matches!(KEY_VALUE_STORE.read_kvp("******* THIS IS A BAD KEY PLEASE UNCOMMENT BELOW TO FIX THIS VERY LONG LINE *******"), Ok(None)) {
346            // todo!(welcome)
347            //} else if matches!(KEY_VALUE_STORE.read_kvp(FIRST_OPEN), Ok(None)) {
348            //todo!()
349            // cx.update(|cx| show_welcome_experience(app_state, cx));
350        } else {
351            cx.update(|cx| {
352                workspace::open_new(app_state, cx, |workspace, cx| {
353                    // todo!(editor)
354                    // Editor::new_file(workspace, &Default::default(), cx)
355                })
356                .detach();
357            })?;
358        }
359        anyhow::Ok(())
360    })
361    .await
362    .log_err();
363}
364
365fn init_paths() {
366    std::fs::create_dir_all(&*util::paths::CONFIG_DIR).expect("could not create config path");
367    std::fs::create_dir_all(&*util::paths::LANGUAGES_DIR).expect("could not create languages path");
368    std::fs::create_dir_all(&*util::paths::DB_DIR).expect("could not create database path");
369    std::fs::create_dir_all(&*util::paths::LOGS_DIR).expect("could not create logs path");
370}
371
372fn init_logger() {
373    if stdout_is_a_pty() {
374        env_logger::init();
375    } else {
376        let level = LevelFilter::Info;
377
378        // Prevent log file from becoming too large.
379        const KIB: u64 = 1024;
380        const MIB: u64 = 1024 * KIB;
381        const MAX_LOG_BYTES: u64 = MIB;
382        if std::fs::metadata(&*paths::LOG).map_or(false, |metadata| metadata.len() > MAX_LOG_BYTES)
383        {
384            let _ = std::fs::rename(&*paths::LOG, &*paths::OLD_LOG);
385        }
386
387        let log_file = OpenOptions::new()
388            .create(true)
389            .append(true)
390            .open(&*paths::LOG)
391            .expect("could not open logfile");
392
393        let config = ConfigBuilder::new()
394            .set_time_format_str("%Y-%m-%dT%T") //All timestamps are UTC
395            .build();
396
397        simplelog::WriteLogger::init(level, config, log_file).expect("could not initialize logger");
398    }
399}
400
401#[derive(Serialize, Deserialize)]
402struct LocationData {
403    file: String,
404    line: u32,
405}
406
407#[derive(Serialize, Deserialize)]
408struct Panic {
409    thread: String,
410    payload: String,
411    #[serde(skip_serializing_if = "Option::is_none")]
412    location_data: Option<LocationData>,
413    backtrace: Vec<String>,
414    app_version: String,
415    release_channel: String,
416    os_name: String,
417    os_version: Option<String>,
418    architecture: String,
419    panicked_on: u128,
420    #[serde(skip_serializing_if = "Option::is_none")]
421    installation_id: Option<String>,
422    session_id: String,
423}
424
425#[derive(Serialize)]
426struct PanicRequest {
427    panic: Panic,
428    token: String,
429}
430
431static PANIC_COUNT: AtomicU32 = AtomicU32::new(0);
432
433fn init_panic_hook(app: &App, installation_id: Option<String>, session_id: String) {
434    let is_pty = stdout_is_a_pty();
435    let app_metadata = app.metadata();
436
437    panic::set_hook(Box::new(move |info| {
438        let prior_panic_count = PANIC_COUNT.fetch_add(1, Ordering::SeqCst);
439        if prior_panic_count > 0 {
440            // Give the panic-ing thread time to write the panic file
441            loop {
442                std::thread::yield_now();
443            }
444        }
445
446        let thread = thread::current();
447        let thread_name = thread.name().unwrap_or("<unnamed>");
448
449        let payload = info
450            .payload()
451            .downcast_ref::<&str>()
452            .map(|s| s.to_string())
453            .or_else(|| info.payload().downcast_ref::<String>().map(|s| s.clone()))
454            .unwrap_or_else(|| "Box<Any>".to_string());
455
456        if *util::channel::RELEASE_CHANNEL == ReleaseChannel::Dev {
457            let location = info.location().unwrap();
458            let backtrace = Backtrace::new();
459            eprintln!(
460                "Thread {:?} panicked with {:?} at {}:{}:{}\n{:?}",
461                thread_name,
462                payload,
463                location.file(),
464                location.line(),
465                location.column(),
466                backtrace,
467            );
468            std::process::exit(-1);
469        }
470
471        let app_version = client::ZED_APP_VERSION
472            .or(app_metadata.app_version)
473            .map_or("dev".to_string(), |v| v.to_string());
474
475        let backtrace = Backtrace::new();
476        let mut backtrace = backtrace
477            .frames()
478            .iter()
479            .filter_map(|frame| Some(format!("{:#}", frame.symbols().first()?.name()?)))
480            .collect::<Vec<_>>();
481
482        // Strip out leading stack frames for rust panic-handling.
483        if let Some(ix) = backtrace
484            .iter()
485            .position(|name| name == "rust_begin_unwind")
486        {
487            backtrace.drain(0..=ix);
488        }
489
490        let panic_data = Panic {
491            thread: thread_name.into(),
492            payload: payload.into(),
493            location_data: info.location().map(|location| LocationData {
494                file: location.file().into(),
495                line: location.line(),
496            }),
497            app_version: app_version.clone(),
498            release_channel: RELEASE_CHANNEL.display_name().into(),
499            os_name: app_metadata.os_name.into(),
500            os_version: app_metadata
501                .os_version
502                .as_ref()
503                .map(SemanticVersion::to_string),
504            architecture: env::consts::ARCH.into(),
505            panicked_on: SystemTime::now()
506                .duration_since(UNIX_EPOCH)
507                .unwrap()
508                .as_millis(),
509            backtrace,
510            installation_id: installation_id.clone(),
511            session_id: session_id.clone(),
512        };
513
514        if let Some(panic_data_json) = serde_json::to_string_pretty(&panic_data).log_err() {
515            log::error!("{}", panic_data_json);
516        }
517
518        if !is_pty {
519            if let Some(panic_data_json) = serde_json::to_string(&panic_data).log_err() {
520                let timestamp = chrono::Utc::now().format("%Y_%m_%d %H_%M_%S").to_string();
521                let panic_file_path = paths::LOGS_DIR.join(format!("zed-{}.panic", timestamp));
522                let panic_file = std::fs::OpenOptions::new()
523                    .append(true)
524                    .create(true)
525                    .open(&panic_file_path)
526                    .log_err();
527                if let Some(mut panic_file) = panic_file {
528                    writeln!(&mut panic_file, "{}", panic_data_json).log_err();
529                    panic_file.flush().log_err();
530                }
531            }
532        }
533
534        std::process::abort();
535    }));
536}
537
538fn upload_previous_panics(http: Arc<dyn HttpClient>, cx: &mut AppContext) {
539    let telemetry_settings = *client::TelemetrySettings::get_global(cx);
540
541    cx.background_executor()
542        .spawn(async move {
543            let panic_report_url = format!("{}/api/panic", &*client::ZED_SERVER_URL);
544            let mut children = smol::fs::read_dir(&*paths::LOGS_DIR).await?;
545            while let Some(child) = children.next().await {
546                let child = child?;
547                let child_path = child.path();
548
549                if child_path.extension() != Some(OsStr::new("panic")) {
550                    continue;
551                }
552                let filename = if let Some(filename) = child_path.file_name() {
553                    filename.to_string_lossy()
554                } else {
555                    continue;
556                };
557
558                if !filename.starts_with("zed") {
559                    continue;
560                }
561
562                if telemetry_settings.diagnostics {
563                    let panic_file_content = smol::fs::read_to_string(&child_path)
564                        .await
565                        .context("error reading panic file")?;
566
567                    let panic = serde_json::from_str(&panic_file_content)
568                        .ok()
569                        .or_else(|| {
570                            panic_file_content
571                                .lines()
572                                .next()
573                                .and_then(|line| serde_json::from_str(line).ok())
574                        })
575                        .unwrap_or_else(|| {
576                            log::error!(
577                                "failed to deserialize panic file {:?}",
578                                panic_file_content
579                            );
580                            None
581                        });
582
583                    if let Some(panic) = panic {
584                        let body = serde_json::to_string(&PanicRequest {
585                            panic,
586                            token: client::ZED_SECRET_CLIENT_TOKEN.into(),
587                        })
588                        .unwrap();
589
590                        let request = Request::post(&panic_report_url)
591                            .redirect_policy(isahc::config::RedirectPolicy::Follow)
592                            .header("Content-Type", "application/json")
593                            .body(body.into())?;
594                        let response = http.send(request).await.context("error sending panic")?;
595                        if !response.status().is_success() {
596                            log::error!("Error uploading panic to server: {}", response.status());
597                        }
598                    }
599                }
600
601                // We've done what we can, delete the file
602                std::fs::remove_file(child_path)
603                    .context("error removing panic")
604                    .log_err();
605            }
606            Ok::<_, anyhow::Error>(())
607        })
608        .detach_and_log_err(cx);
609}
610
611async fn load_login_shell_environment() -> Result<()> {
612    let marker = "ZED_LOGIN_SHELL_START";
613    let shell = env::var("SHELL").context(
614        "SHELL environment variable is not assigned so we can't source login environment variables",
615    )?;
616    let output = Command::new(&shell)
617        .args(["-lic", &format!("echo {marker} && /usr/bin/env -0")])
618        .output()
619        .await
620        .context("failed to spawn login shell to source login environment variables")?;
621    if !output.status.success() {
622        Err(anyhow!("login shell exited with error"))?;
623    }
624
625    let stdout = String::from_utf8_lossy(&output.stdout);
626
627    if let Some(env_output_start) = stdout.find(marker) {
628        let env_output = &stdout[env_output_start + marker.len()..];
629        for line in env_output.split_terminator('\0') {
630            if let Some(separator_index) = line.find('=') {
631                let key = &line[..separator_index];
632                let value = &line[separator_index + 1..];
633                env::set_var(key, value);
634            }
635        }
636        log::info!(
637            "set environment variables from shell:{}, path:{}",
638            shell,
639            env::var("PATH").unwrap_or_default(),
640        );
641    }
642
643    Ok(())
644}
645
646fn stdout_is_a_pty() -> bool {
647    std::env::var(FORCE_CLI_MODE_ENV_VAR_NAME).ok().is_none() && std::io::stdout().is_terminal()
648}
649
650fn collect_url_args() -> Vec<String> {
651    env::args()
652        .skip(1)
653        .filter_map(|arg| match std::fs::canonicalize(Path::new(&arg)) {
654            Ok(path) => Some(format!("file://{}", path.to_string_lossy())),
655            Err(error) => {
656                if let Some(_) = parse_zed_link(&arg) {
657                    Some(arg)
658                } else {
659                    log::error!("error parsing path argument: {}", error);
660                    None
661                }
662            }
663        })
664        .collect()
665}
666
667fn load_embedded_fonts(cx: &AppContext) {
668    let asset_source = cx.asset_source();
669    let font_paths = asset_source.list("fonts").unwrap();
670    let embedded_fonts = Mutex::new(Vec::new());
671    let executor = cx.background_executor();
672
673    executor.block(executor.scoped(|scope| {
674        for font_path in &font_paths {
675            if !font_path.ends_with(".ttf") {
676                continue;
677            }
678
679            scope.spawn(async {
680                let font_bytes = asset_source.load(font_path).unwrap().to_vec();
681                embedded_fonts.lock().push(Arc::from(font_bytes));
682            });
683        }
684    }));
685
686    cx.text_system()
687        .add_fonts(&embedded_fonts.into_inner())
688        .unwrap();
689}
690
691// #[cfg(debug_assertions)]
692// async fn watch_themes(fs: Arc<dyn Fs>, mut cx: AsyncAppContext) -> Option<()> {
693//     let mut events = fs
694//         .watch("styles/src".as_ref(), Duration::from_millis(100))
695//         .await;
696//     while (events.next().await).is_some() {
697//         let output = Command::new("npm")
698//             .current_dir("styles")
699//             .args(["run", "build"])
700//             .output()
701//             .await
702//             .log_err()?;
703//         if output.status.success() {
704//             cx.update(|cx| theme_selector::reload(cx))
705//         } else {
706//             eprintln!(
707//                 "build script failed {}",
708//                 String::from_utf8_lossy(&output.stderr)
709//             );
710//         }
711//     }
712//     Some(())
713// }
714
715// #[cfg(debug_assertions)]
716// async fn watch_languages(fs: Arc<dyn Fs>, languages: Arc<LanguageRegistry>) -> Option<()> {
717//     let mut events = fs
718//         .watch(
719//             "crates/zed/src/languages".as_ref(),
720//             Duration::from_millis(100),
721//         )
722//         .await;
723//     while (events.next().await).is_some() {
724//         languages.reload();
725//     }
726//     Some(())
727// }
728
729// #[cfg(debug_assertions)]
730// fn watch_file_types(fs: Arc<dyn Fs>, cx: &mut AppContext) {
731//     cx.spawn(|mut cx| async move {
732//         let mut events = fs
733//             .watch(
734//                 "assets/icons/file_icons/file_types.json".as_ref(),
735//                 Duration::from_millis(100),
736//             )
737//             .await;
738//         while (events.next().await).is_some() {
739//             cx.update(|cx| {
740//                 cx.update_global(|file_types, _| {
741//                     *file_types = project_panel::file_associations::FileAssociations::new(Assets);
742//                 });
743//             })
744//         }
745//     })
746//     .detach()
747// }
748
749// #[cfg(not(debug_assertions))]
750// async fn watch_themes(_fs: Arc<dyn Fs>, _cx: AsyncAppContext) -> Option<()> {
751//     None
752// }
753
754// #[cfg(not(debug_assertions))]
755// async fn watch_languages(_: Arc<dyn Fs>, _: Arc<LanguageRegistry>) -> Option<()> {
756//     None
757// }
758
759// #[cfg(not(debug_assertions))]
760// fn watch_file_types(_fs: Arc<dyn Fs>, _cx: &mut AppContext) {}
761
762pub fn background_actions() -> &'static [(&'static str, &'static dyn Action)] {
763    // &[
764    //     ("Go to file", &file_finder::Toggle),
765    //     ("Open command palette", &command_palette::Toggle),
766    //     ("Open recent projects", &recent_projects::OpenRecent),
767    //     ("Change your settings", &zed_actions::OpenSettings),
768    // ]
769    // todo!()
770    &[]
771}