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Graceful errors instead of crashing (#1267)

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boatbomber 2026-06-01 20:02:39 -07:00 • committed by GitHub
parent 85655ca84f
commit 1abf675949
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17 changed files with 167 additions and 99 deletions
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13
src/cli/build.rs
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@ -75,10 +75,10 @@ impl BuildCommand {
_ => unreachable!(),
};
let project_path = resolve_path(&self.project);
let project_path = resolve_path(&self.project)?;
log::trace!("Constructing in-memory filesystem");
let vfs = Vfs::new_default();
let vfs = Vfs::new_default()?;
vfs.set_watch_enabled(self.watch);
let session = ServeSession::new(vfs, project_path)?;
@ -87,11 +87,16 @@ impl BuildCommand {
write_model(&session, &output_path, output_kind)?;
if self.watch {
let rt = Runtime::new().unwrap();
let rt = Runtime::new().context("Failed to start the async runtime for watch mode")?;
loop {
let receiver = session.message_queue().subscribe(cursor);
let (new_cursor, _patch_set) = rt.block_on(receiver).unwrap();
let (new_cursor, _patch_set) = match rt.block_on(receiver) {
Ok(message) => message,
// The message queue was dropped, so there is nothing left
// to watch. Stop watching gracefully.
Err(_) => break,
};
cursor = new_cursor;
write_model(&session, &output_path, output_kind)?;