95 lines
2.9 KiB
Rust
95 lines
2.9 KiB
Rust
//! Watchexec has two error types: for critical and for runtime errors.
|
|
|
|
use std::path::PathBuf;
|
|
|
|
use miette::Diagnostic;
|
|
use thiserror::Error;
|
|
use tokio::sync::mpsc;
|
|
|
|
use crate::{event::Event, fs::Watcher};
|
|
|
|
/// Errors which are not recoverable and stop watchexec execution.
|
|
#[derive(Debug, Diagnostic, Error)]
|
|
#[non_exhaustive]
|
|
pub enum CriticalError {
|
|
/// A critical I/O error occurred.
|
|
#[error(transparent)]
|
|
#[diagnostic(code(watchexec::critical::io_error))]
|
|
IoError(#[from] std::io::Error),
|
|
|
|
/// Error received when an event cannot be sent to the errors channel.
|
|
#[error("cannot send internal runtime error: {0}")]
|
|
#[diagnostic(code(watchexec::critical::error_channel_send))]
|
|
ErrorChannelSend(#[from] mpsc::error::SendError<RuntimeError>),
|
|
}
|
|
|
|
/// Errors which _may_ be recoverable, transient, or only affect a part of the operation, and should
|
|
/// be reported to the user and/or acted upon programatically, but will not outright stop watchexec.
|
|
#[derive(Debug, Diagnostic, Error)]
|
|
#[non_exhaustive]
|
|
pub enum RuntimeError {
|
|
/// Generic I/O error, with no additional context.
|
|
#[error(transparent)]
|
|
#[diagnostic(code(watchexec::runtime::io_error))]
|
|
IoError(#[from] std::io::Error),
|
|
|
|
/// Error received when creating a filesystem watcher fails.
|
|
#[error("{kind:?} watcher failed to instantiate: {err}")]
|
|
#[diagnostic(
|
|
code(watchexec::runtime::fs_watcher_error),
|
|
help("perhaps retry with the poll watcher")
|
|
)]
|
|
FsWatcherCreate {
|
|
kind: Watcher,
|
|
#[source]
|
|
err: notify::Error,
|
|
},
|
|
|
|
/// Error received when reading a filesystem event fails.
|
|
#[error("{kind:?} watcher received an event that we could not read: {err}")]
|
|
#[diagnostic(code(watchexec::runtime::fs_watcher_event))]
|
|
FsWatcherEvent {
|
|
kind: Watcher,
|
|
#[source]
|
|
err: notify::Error,
|
|
},
|
|
|
|
/// Error received when adding to the pathset for the filesystem watcher fails.
|
|
#[error("while adding {path:?} to the {kind:?} watcher: {err}")]
|
|
#[diagnostic(code(watchexec::runtime::fs_watcher_path_add))]
|
|
FsWatcherPathAdd {
|
|
path: PathBuf,
|
|
kind: Watcher,
|
|
#[source]
|
|
err: notify::Error,
|
|
},
|
|
|
|
/// Error received when removing from the pathset for the filesystem watcher fails.
|
|
#[error("while removing {path:?} from the {kind:?} watcher: {err}")]
|
|
#[diagnostic(code(watchexec::runtime::fs_watcher_path_remove))]
|
|
FsWatcherPathRemove {
|
|
path: PathBuf,
|
|
kind: Watcher,
|
|
#[source]
|
|
err: notify::Error,
|
|
},
|
|
|
|
/// Error received when an event cannot be sent to the event channel.
|
|
#[error("cannot send event from {ctx}: {err}")]
|
|
#[diagnostic(code(watchexec::runtime::event_channel_send))]
|
|
EventChannelSend {
|
|
ctx: &'static str,
|
|
#[source]
|
|
err: mpsc::error::SendError<Event>,
|
|
},
|
|
|
|
/// Error received when an event cannot be sent to the event channel.
|
|
#[error("cannot send event from {ctx}: {err}")]
|
|
#[diagnostic(code(watchexec::runtime::event_channel_try_send))]
|
|
EventChannelTrySend {
|
|
ctx: &'static str,
|
|
#[source]
|
|
err: mpsc::error::TrySendError<Event>,
|
|
},
|
|
}
|