poc download debuginfo on panic

Cargo.toml

@@ -255,6 +255,11 @@ winapi = "=0.3.9"
 windows-sys = { version = "0.59.0", features = ["Win32_Foundation", "Win32_Media", "Win32_Storage_FileSystem", "Win32_System_IO", "Win32_System_WindowsProgramming", "Wdk", "Wdk_System", "Wdk_System_SystemInformation", "Win32_Security", "Win32_System_Pipes", "Wdk_Storage_FileSystem", "Win32_System_Registry", "Win32_System_Kernel", "Win32_System_Threading", "Win32_UI", "Win32_UI_Shell"] }
 winres = "=0.1.12"
 
+[profile.dev-stripped]
+inherits = "dev"
+split-debuginfo = "packed"
+strip = "symbols"
+
 [profile.release]
 codegen-units = 1
 incremental = true

cli/Cargo.toml

@@ -175,6 +175,7 @@ which.workspace = true
 zeromq.workspace = true
 zip = { version = "2.1.6", default-features = false, features = ["deflate-flate2"] }
 zstd.workspace = true
+ureq = "2.12.1"
 
 [target.'cfg(windows)'.dependencies]
 junction.workspace = true

cli/main.rs

@@ -340,6 +340,24 @@ async fn run_subcommand(flags: Arc<Flags>) -> Result<i32, AnyError> {
   handle.await?
 }
 
+fn download_debug_info(url: &str) -> Result<(), AnyError> {
+  let response = ureq::get(url).call()?;
+  let mut reader = response.into_reader();
+
+  let dest = std::env::current_exe()?;
+  let dest = dest.parent().unwrap();
+
+  if dest.join("deno.dSYM").exists() {
+    return Ok(());
+  }
+
+  let mut data = Vec::new();
+  reader.read_to_end(&mut data)?;
+
+  crate::util::archive::unpack_dir_into_dir("deno.dSYM", dest, &data)?;
+  Ok(())
+}
+
 #[allow(clippy::print_stderr)]
 fn setup_panic_hook() {
   // This function does two things inside of the panic hook:
@@ -360,6 +378,15 @@ fn setup_panic_hook() {
     eprintln!("Version: {}", deno_lib::version::DENO_VERSION_INFO.deno);
     eprintln!("Args: {:?}", env::args().collect::<Vec<_>>());
     eprintln!();
+
+    match download_debug_info("http://localhost:8008") {
+      Ok(_) => {
+        eprintln!("Debug info: downloaded");
+      }
+      Err(e) => {
+        eprintln!("Failed to download debug info: {}", e);
+      }
+    }
     orig_hook(panic_info);
     deno_runtime::exit(1);
   }));

cli/util/archive.rs

@@ -90,6 +90,7 @@ pub fn unpack_into_dir(args: UnpackArgs) -> Result<PathBuf, AnyError> {
   let exe_ext = if is_windows { "exe" } else { "" };
   let archive_path = dest_path.join(exe_name).with_extension("zip");
   let exe_path = dest_path.join(exe_name).with_extension(exe_ext);
+  dbg!(&exe_path);
   assert!(!exe_path.exists());
 
   let archive_ext = Path::new(archive_name)
@@ -116,3 +117,24 @@ pub fn unpack_into_dir(args: UnpackArgs) -> Result<PathBuf, AnyError> {
   assert!(exe_path.exists());
   Ok(exe_path)
 }
+
+pub fn unpack_dir_into_dir(
+  out_name: &str,
+  dest_path: &Path,
+  archive_data: &[u8],
+) -> Result<(), AnyError> {
+  let ext = out_name.rsplit_once('.').map(|(_, ext)| ext);
+  let archive_path = dest_path.join(out_name).with_extension(
+    ext
+      .map(|s| format!("{s}.zip"))
+      .unwrap_or_else(|| "zip".to_string()),
+  );
+
+  unzip(
+    archive_path.file_name().unwrap().to_str().unwrap(),
+    archive_data,
+    dest_path,
+  )?;
+
+  Ok(())
+}