1#![cfg_attr(any(target_os = "linux", target_os = "windows"), allow(dead_code))]
2
3use anyhow::{Context, Result};
4use clap::Parser;
5use cli::{ipc::IpcOneShotServer, CliRequest, CliResponse, IpcHandshake};
6use std::{
7 env, fs, io,
8 path::{Path, PathBuf},
9 process::ExitStatus,
10 thread::{self, JoinHandle},
11};
12use util::paths::PathLikeWithPosition;
13
14struct Detect;
15
16trait InstalledApp {
17 fn zed_version_string(&self) -> String;
18 fn launch(&self, ipc_url: String) -> anyhow::Result<()>;
19 fn run_foreground(&self, ipc_url: String) -> io::Result<ExitStatus>;
20}
21
22#[derive(Parser, Debug)]
23#[command(name = "zed", disable_version_flag = true)]
24struct Args {
25 /// Wait for all of the given paths to be opened/closed before exiting.
26 #[arg(short, long)]
27 wait: bool,
28 /// Add files to the currently open workspace
29 #[arg(short, long, overrides_with = "new")]
30 add: bool,
31 /// Create a new workspace
32 #[arg(short, long, overrides_with = "add")]
33 new: bool,
34 /// A sequence of space-separated paths that you want to open.
35 ///
36 /// Use `path:line:row` syntax to open a file at a specific location.
37 /// Non-existing paths and directories will ignore `:line:row` suffix.
38 #[arg(value_parser = parse_path_with_position)]
39 paths_with_position: Vec<PathLikeWithPosition<PathBuf>>,
40 /// Print Zed's version and the app path.
41 #[arg(short, long)]
42 version: bool,
43 /// Run zed in the foreground (useful for debugging)
44 #[arg(long)]
45 foreground: bool,
46 /// Custom path to Zed.app or the zed binary
47 #[arg(long)]
48 zed: Option<PathBuf>,
49 /// Run zed in dev-server mode
50 #[arg(long)]
51 dev_server_token: Option<String>,
52}
53
54fn parse_path_with_position(
55 argument_str: &str,
56) -> Result<PathLikeWithPosition<PathBuf>, std::convert::Infallible> {
57 PathLikeWithPosition::parse_str(argument_str, |path_str| {
58 Ok(Path::new(path_str).to_path_buf())
59 })
60}
61
62fn main() -> Result<()> {
63 // Exit flatpak sandbox if needed
64 #[cfg(target_os = "linux")]
65 {
66 flatpak::try_restart_to_host();
67 flatpak::ld_extra_libs();
68 }
69
70 // Intercept version designators
71 #[cfg(target_os = "macos")]
72 if let Some(channel) = std::env::args().nth(1).filter(|arg| arg.starts_with("--")) {
73 // When the first argument is a name of a release channel, we're gonna spawn off a cli of that version, with trailing args passed along.
74 use std::str::FromStr as _;
75
76 if let Ok(channel) = release_channel::ReleaseChannel::from_str(&channel[2..]) {
77 return mac_os::spawn_channel_cli(channel, std::env::args().skip(2).collect());
78 }
79 }
80 let args = Args::parse();
81
82 #[cfg(target_os = "linux")]
83 let args = flatpak::set_bin_if_no_escape(args);
84
85 let app = Detect::detect(args.zed.as_deref()).context("Bundle detection")?;
86
87 if args.version {
88 println!("{}", app.zed_version_string());
89 return Ok(());
90 }
91
92 let curdir = env::current_dir()?;
93 let mut paths = vec![];
94 for path in args.paths_with_position {
95 let canonicalized = path.map_path_like(|path| match fs::canonicalize(&path) {
96 Ok(path) => Ok(path),
97 Err(e) => {
98 if let Some(mut parent) = path.parent() {
99 if parent == Path::new("") {
100 parent = &curdir;
101 }
102 match fs::canonicalize(parent) {
103 Ok(parent) => Ok(parent.join(path.file_name().unwrap())),
104 Err(_) => Err(e),
105 }
106 } else {
107 Err(e)
108 }
109 }
110 })?;
111 paths.push(canonicalized.to_string(|path| path.display().to_string()))
112 }
113
114 let (server, server_name) =
115 IpcOneShotServer::<IpcHandshake>::new().context("Handshake before Zed spawn")?;
116 let url = format!("zed-cli://{server_name}");
117
118 let open_new_workspace = if args.new {
119 Some(true)
120 } else if args.add {
121 Some(false)
122 } else {
123 None
124 };
125
126 let sender: JoinHandle<anyhow::Result<()>> = thread::spawn(move || {
127 let (_, handshake) = server.accept().context("Handshake after Zed spawn")?;
128 let (tx, rx) = (handshake.requests, handshake.responses);
129 tx.send(CliRequest::Open {
130 paths,
131 wait: args.wait,
132 open_new_workspace,
133 dev_server_token: args.dev_server_token,
134 })?;
135
136 while let Ok(response) = rx.recv() {
137 match response {
138 CliResponse::Ping => {}
139 CliResponse::Stdout { message } => println!("{message}"),
140 CliResponse::Stderr { message } => eprintln!("{message}"),
141 CliResponse::Exit { status } => std::process::exit(status),
142 }
143 }
144
145 Ok(())
146 });
147
148 if args.foreground {
149 app.run_foreground(url)?;
150 } else {
151 app.launch(url)?;
152 sender.join().unwrap()?;
153 }
154
155 Ok(())
156}
157
158#[cfg(target_os = "linux")]
159mod linux {
160 use std::{
161 env,
162 ffi::OsString,
163 io,
164 os::{
165 linux::net::SocketAddrExt,
166 unix::net::{SocketAddr, UnixDatagram},
167 },
168 path::{Path, PathBuf},
169 process::{self, ExitStatus},
170 thread,
171 time::Duration,
172 };
173
174 use anyhow::anyhow;
175 use cli::FORCE_CLI_MODE_ENV_VAR_NAME;
176 use fork::Fork;
177 use once_cell::sync::Lazy;
178
179 use crate::{Detect, InstalledApp};
180
181 static RELEASE_CHANNEL: Lazy<String> =
182 Lazy::new(|| include_str!("../../zed/RELEASE_CHANNEL").trim().to_string());
183
184 struct App(PathBuf);
185
186 impl Detect {
187 pub fn detect(path: Option<&Path>) -> anyhow::Result<impl InstalledApp> {
188 let path = if let Some(path) = path {
189 path.to_path_buf().canonicalize()
190 } else {
191 let cli = env::current_exe()?;
192 let dir = cli
193 .parent()
194 .ok_or_else(|| anyhow!("no parent path for cli"))?;
195
196 match dir.join("zed").canonicalize() {
197 Ok(path) => Ok(path),
198 // development builds have Zed capitalized
199 Err(e) => match dir.join("Zed").canonicalize() {
200 Ok(path) => Ok(path),
201 Err(_) => Err(e),
202 },
203 }
204 }?;
205
206 Ok(App(path))
207 }
208 }
209
210 impl InstalledApp for App {
211 fn zed_version_string(&self) -> String {
212 format!(
213 "Zed {}{} – {}",
214 if *RELEASE_CHANNEL == "stable" {
215 "".to_string()
216 } else {
217 format!(" {} ", *RELEASE_CHANNEL)
218 },
219 option_env!("RELEASE_VERSION").unwrap_or_default(),
220 self.0.display(),
221 )
222 }
223
224 fn launch(&self, ipc_url: String) -> anyhow::Result<()> {
225 let uid: u32 = unsafe { libc::getuid() };
226 let sock_addr =
227 SocketAddr::from_abstract_name(format!("zed-{}-{}", *RELEASE_CHANNEL, uid))?;
228
229 let sock = UnixDatagram::unbound()?;
230 if sock.connect_addr(&sock_addr).is_err() {
231 self.boot_background(ipc_url)?;
232 } else {
233 sock.send(ipc_url.as_bytes())?;
234 }
235 Ok(())
236 }
237
238 fn run_foreground(&self, ipc_url: String) -> io::Result<ExitStatus> {
239 std::process::Command::new(self.0.clone())
240 .arg(ipc_url)
241 .status()
242 }
243 }
244
245 impl App {
246 fn boot_background(&self, ipc_url: String) -> anyhow::Result<()> {
247 let path = &self.0;
248
249 match fork::fork() {
250 Ok(Fork::Parent(_)) => Ok(()),
251 Ok(Fork::Child) => {
252 std::env::set_var(FORCE_CLI_MODE_ENV_VAR_NAME, "");
253 if let Err(_) = fork::setsid() {
254 eprintln!("failed to setsid: {}", std::io::Error::last_os_error());
255 process::exit(1);
256 }
257 if std::env::var("ZED_KEEP_FD").is_err() {
258 if let Err(_) = fork::close_fd() {
259 eprintln!("failed to close_fd: {}", std::io::Error::last_os_error());
260 }
261 }
262 let error =
263 exec::execvp(path.clone(), &[path.as_os_str(), &OsString::from(ipc_url)]);
264 // if exec succeeded, we never get here.
265 eprintln!("failed to exec {:?}: {}", path, error);
266 process::exit(1)
267 }
268 Err(_) => Err(anyhow!(io::Error::last_os_error())),
269 }
270 }
271
272 fn wait_for_socket(
273 &self,
274 sock_addr: &SocketAddr,
275 sock: &mut UnixDatagram,
276 ) -> Result<(), std::io::Error> {
277 for _ in 0..100 {
278 thread::sleep(Duration::from_millis(10));
279 if sock.connect_addr(&sock_addr).is_ok() {
280 return Ok(());
281 }
282 }
283 sock.connect_addr(&sock_addr)
284 }
285 }
286}
287
288#[cfg(target_os = "linux")]
289mod flatpak {
290 use std::ffi::OsString;
291 use std::path::PathBuf;
292 use std::process::Command;
293 use std::{env, process};
294
295 const EXTRA_LIB_ENV_NAME: &'static str = "ZED_FLATPAK_LIB_PATH";
296 const NO_ESCAPE_ENV_NAME: &'static str = "ZED_FLATPAK_NO_ESCAPE";
297
298 /// Adds bundled libraries to LD_LIBRARY_PATH if running under flatpak
299 pub fn ld_extra_libs() {
300 let mut paths = if let Ok(paths) = env::var("LD_LIBRARY_PATH") {
301 env::split_paths(&paths).collect()
302 } else {
303 Vec::new()
304 };
305
306 if let Ok(extra_path) = env::var(EXTRA_LIB_ENV_NAME) {
307 paths.push(extra_path.into());
308 }
309
310 env::set_var("LD_LIBRARY_PATH", env::join_paths(paths).unwrap());
311 }
312
313 /// Restarts outside of the sandbox if currently running within it
314 pub fn try_restart_to_host() {
315 if let Some(flatpak_dir) = get_flatpak_dir() {
316 let mut args = vec!["/usr/bin/flatpak-spawn".into(), "--host".into()];
317 args.append(&mut get_xdg_env_args());
318 args.push("--env=ZED_IS_FLATPAK_INSTALL=1".into());
319 args.push(
320 format!(
321 "--env={EXTRA_LIB_ENV_NAME}={}",
322 flatpak_dir.join("lib").to_str().unwrap()
323 )
324 .into(),
325 );
326 args.push(flatpak_dir.join("bin").join("zed").into());
327
328 let mut is_app_location_set = false;
329 for arg in &env::args_os().collect::<Vec<_>>()[1..] {
330 args.push(arg.clone());
331 is_app_location_set |= arg == "--zed";
332 }
333
334 if !is_app_location_set {
335 args.push("--zed".into());
336 args.push(flatpak_dir.join("bin").join("zed-app").into());
337 }
338
339 let error = exec::execvp("/usr/bin/flatpak-spawn", args);
340 eprintln!("failed restart cli on host: {:?}", error);
341 process::exit(1);
342 }
343 }
344
345 pub fn set_bin_if_no_escape(mut args: super::Args) -> super::Args {
346 if env::var(NO_ESCAPE_ENV_NAME).is_ok()
347 && env::var("FLATPAK_ID").map_or(false, |id| id.starts_with("dev.zed.Zed"))
348 {
349 if args.zed.is_none() {
350 args.zed = Some("/app/bin/zed-app".into());
351 env::set_var("ZED_IS_FLATPAK_INSTALL", "1");
352 }
353 }
354 args
355 }
356
357 fn get_flatpak_dir() -> Option<PathBuf> {
358 if env::var(NO_ESCAPE_ENV_NAME).is_ok() {
359 return None;
360 }
361
362 if let Ok(flatpak_id) = env::var("FLATPAK_ID") {
363 if !flatpak_id.starts_with("dev.zed.Zed") {
364 return None;
365 }
366
367 let install_dir = Command::new("/usr/bin/flatpak-spawn")
368 .arg("--host")
369 .arg("flatpak")
370 .arg("info")
371 .arg("--show-location")
372 .arg(flatpak_id)
373 .output()
374 .unwrap();
375 let install_dir = PathBuf::from(String::from_utf8(install_dir.stdout).unwrap().trim());
376 Some(install_dir.join("files"))
377 } else {
378 None
379 }
380 }
381
382 fn get_xdg_env_args() -> Vec<OsString> {
383 let xdg_keys = [
384 "XDG_DATA_HOME",
385 "XDG_CONFIG_HOME",
386 "XDG_CACHE_HOME",
387 "XDG_STATE_HOME",
388 ];
389 env::vars()
390 .filter(|(key, _)| xdg_keys.contains(&key.as_str()))
391 .map(|(key, val)| format!("--env=FLATPAK_{}={}", key, val).into())
392 .collect()
393 }
394}
395
396// todo("windows")
397#[cfg(target_os = "windows")]
398mod windows {
399 use crate::{Detect, InstalledApp};
400 use std::io;
401 use std::path::Path;
402 use std::process::ExitStatus;
403
404 struct App;
405 impl InstalledApp for App {
406 fn zed_version_string(&self) -> String {
407 unimplemented!()
408 }
409 fn launch(&self, _ipc_url: String) -> anyhow::Result<()> {
410 unimplemented!()
411 }
412 fn run_foreground(&self, _ipc_url: String) -> io::Result<ExitStatus> {
413 unimplemented!()
414 }
415 }
416
417 impl Detect {
418 pub fn detect(_path: Option<&Path>) -> anyhow::Result<impl InstalledApp> {
419 Ok(App)
420 }
421 }
422}
423
424#[cfg(target_os = "macos")]
425mod mac_os {
426 use anyhow::{anyhow, Context, Result};
427 use core_foundation::{
428 array::{CFArray, CFIndex},
429 string::kCFStringEncodingUTF8,
430 url::{CFURLCreateWithBytes, CFURL},
431 };
432 use core_services::{kLSLaunchDefaults, LSLaunchURLSpec, LSOpenFromURLSpec, TCFType};
433 use serde::Deserialize;
434 use std::{
435 ffi::OsStr,
436 fs, io,
437 path::{Path, PathBuf},
438 process::{Command, ExitStatus},
439 ptr,
440 };
441
442 use cli::FORCE_CLI_MODE_ENV_VAR_NAME;
443
444 use crate::{Detect, InstalledApp};
445
446 #[derive(Debug, Deserialize)]
447 struct InfoPlist {
448 #[serde(rename = "CFBundleShortVersionString")]
449 bundle_short_version_string: String,
450 }
451
452 enum Bundle {
453 App {
454 app_bundle: PathBuf,
455 plist: InfoPlist,
456 },
457 LocalPath {
458 executable: PathBuf,
459 plist: InfoPlist,
460 },
461 }
462
463 fn locate_bundle() -> Result<PathBuf> {
464 let cli_path = std::env::current_exe()?.canonicalize()?;
465 let mut app_path = cli_path.clone();
466 while app_path.extension() != Some(OsStr::new("app")) {
467 if !app_path.pop() {
468 return Err(anyhow!("cannot find app bundle containing {:?}", cli_path));
469 }
470 }
471 Ok(app_path)
472 }
473
474 impl Detect {
475 pub fn detect(path: Option<&Path>) -> anyhow::Result<impl InstalledApp> {
476 let bundle_path = if let Some(bundle_path) = path {
477 bundle_path
478 .canonicalize()
479 .with_context(|| format!("Args bundle path {bundle_path:?} canonicalization"))?
480 } else {
481 locate_bundle().context("bundle autodiscovery")?
482 };
483
484 match bundle_path.extension().and_then(|ext| ext.to_str()) {
485 Some("app") => {
486 let plist_path = bundle_path.join("Contents/Info.plist");
487 let plist =
488 plist::from_file::<_, InfoPlist>(&plist_path).with_context(|| {
489 format!("Reading *.app bundle plist file at {plist_path:?}")
490 })?;
491 Ok(Bundle::App {
492 app_bundle: bundle_path,
493 plist,
494 })
495 }
496 _ => {
497 println!("Bundle path {bundle_path:?} has no *.app extension, attempting to locate a dev build");
498 let plist_path = bundle_path
499 .parent()
500 .with_context(|| format!("Bundle path {bundle_path:?} has no parent"))?
501 .join("WebRTC.framework/Resources/Info.plist");
502 let plist =
503 plist::from_file::<_, InfoPlist>(&plist_path).with_context(|| {
504 format!("Reading dev bundle plist file at {plist_path:?}")
505 })?;
506 Ok(Bundle::LocalPath {
507 executable: bundle_path,
508 plist,
509 })
510 }
511 }
512 }
513 }
514
515 impl InstalledApp for Bundle {
516 fn zed_version_string(&self) -> String {
517 let is_dev = matches!(self, Self::LocalPath { .. });
518 format!(
519 "Zed {}{} – {}",
520 self.plist().bundle_short_version_string,
521 if is_dev { " (dev)" } else { "" },
522 self.path().display(),
523 )
524 }
525
526 fn launch(&self, url: String) -> anyhow::Result<()> {
527 match self {
528 Self::App { app_bundle, .. } => {
529 let app_path = app_bundle;
530
531 let status = unsafe {
532 let app_url = CFURL::from_path(app_path, true)
533 .with_context(|| format!("invalid app path {app_path:?}"))?;
534 let url_to_open = CFURL::wrap_under_create_rule(CFURLCreateWithBytes(
535 ptr::null(),
536 url.as_ptr(),
537 url.len() as CFIndex,
538 kCFStringEncodingUTF8,
539 ptr::null(),
540 ));
541 // equivalent to: open zed-cli:... -a /Applications/Zed\ Preview.app
542 let urls_to_open =
543 CFArray::from_copyable(&[url_to_open.as_concrete_TypeRef()]);
544 LSOpenFromURLSpec(
545 &LSLaunchURLSpec {
546 appURL: app_url.as_concrete_TypeRef(),
547 itemURLs: urls_to_open.as_concrete_TypeRef(),
548 passThruParams: ptr::null(),
549 launchFlags: kLSLaunchDefaults,
550 asyncRefCon: ptr::null_mut(),
551 },
552 ptr::null_mut(),
553 )
554 };
555
556 anyhow::ensure!(
557 status == 0,
558 "cannot start app bundle {}",
559 self.zed_version_string()
560 );
561 }
562
563 Self::LocalPath { executable, .. } => {
564 let executable_parent = executable
565 .parent()
566 .with_context(|| format!("Executable {executable:?} path has no parent"))?;
567 let subprocess_stdout_file = fs::File::create(
568 executable_parent.join("zed_dev.log"),
569 )
570 .with_context(|| format!("Log file creation in {executable_parent:?}"))?;
571 let subprocess_stdin_file =
572 subprocess_stdout_file.try_clone().with_context(|| {
573 format!("Cloning descriptor for file {subprocess_stdout_file:?}")
574 })?;
575 let mut command = std::process::Command::new(executable);
576 let command = command
577 .env(FORCE_CLI_MODE_ENV_VAR_NAME, "")
578 .stderr(subprocess_stdout_file)
579 .stdout(subprocess_stdin_file)
580 .arg(url);
581
582 command
583 .spawn()
584 .with_context(|| format!("Spawning {command:?}"))?;
585 }
586 }
587
588 Ok(())
589 }
590
591 fn run_foreground(&self, ipc_url: String) -> io::Result<ExitStatus> {
592 let path = match self {
593 Bundle::App { app_bundle, .. } => app_bundle.join("Contents/MacOS/zed"),
594 Bundle::LocalPath { executable, .. } => executable.clone(),
595 };
596
597 std::process::Command::new(path).arg(ipc_url).status()
598 }
599 }
600
601 impl Bundle {
602 fn plist(&self) -> &InfoPlist {
603 match self {
604 Self::App { plist, .. } => plist,
605 Self::LocalPath { plist, .. } => plist,
606 }
607 }
608
609 fn path(&self) -> &Path {
610 match self {
611 Self::App { app_bundle, .. } => app_bundle,
612 Self::LocalPath { executable, .. } => executable,
613 }
614 }
615 }
616
617 pub(super) fn spawn_channel_cli(
618 channel: release_channel::ReleaseChannel,
619 leftover_args: Vec<String>,
620 ) -> Result<()> {
621 use anyhow::bail;
622
623 let app_id_prompt = format!("id of app \"{}\"", channel.display_name());
624 let app_id_output = Command::new("osascript")
625 .arg("-e")
626 .arg(&app_id_prompt)
627 .output()?;
628 if !app_id_output.status.success() {
629 bail!("Could not determine app id for {}", channel.display_name());
630 }
631 let app_name = String::from_utf8(app_id_output.stdout)?.trim().to_owned();
632 let app_path_prompt = format!("kMDItemCFBundleIdentifier == '{app_name}'");
633 let app_path_output = Command::new("mdfind").arg(app_path_prompt).output()?;
634 if !app_path_output.status.success() {
635 bail!(
636 "Could not determine app path for {}",
637 channel.display_name()
638 );
639 }
640 let app_path = String::from_utf8(app_path_output.stdout)?.trim().to_owned();
641 let cli_path = format!("{app_path}/Contents/MacOS/cli");
642 Command::new(cli_path).args(leftover_args).spawn()?;
643 Ok(())
644 }
645}