75 lines
1.9 KiB
Rust
75 lines
1.9 KiB
Rust
use std::time::Duration;
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use miette::{IntoDiagnostic, Result};
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use watchexec::{
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action::{Action, Outcome},
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command::Command,
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config::{InitConfig, RuntimeConfig},
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error::ReconfigError,
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event::Event,
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fs::Watcher,
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signal::source::MainSignal,
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ErrorHook, Watchexec,
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};
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// Run with: `env RUST_LOG=debug cargo run --example print_out`
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#[tokio::main]
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async fn main() -> Result<()> {
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tracing_subscriber::fmt::init();
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let mut init = InitConfig::default();
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init.on_error(|err: ErrorHook| async move {
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eprintln!("Watchexec Runtime Error: {}", err.error);
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Ok::<(), std::convert::Infallible>(())
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});
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let mut runtime = RuntimeConfig::default();
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runtime.pathset(["src", "dontexist", "examples"]);
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runtime.command(Command::Exec {
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prog: "date".into(),
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args: Vec::new(),
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});
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let wx = Watchexec::new(init, runtime.clone())?;
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let w = wx.clone();
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let config = runtime.clone();
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runtime.on_action(move |action: Action| {
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let mut config = config.clone();
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let w = w.clone();
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async move {
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eprintln!("Watchexec Action: {action:?}");
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let sigs = action
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.events
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.iter()
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.flat_map(Event::signals)
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.collect::<Vec<_>>();
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if sigs.iter().any(|sig| sig == &MainSignal::Interrupt) {
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action.outcome(Outcome::Exit);
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} else if sigs.iter().any(|sig| sig == &MainSignal::User1) {
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eprintln!("Switching to native for funsies");
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config.file_watcher(Watcher::Native);
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w.reconfigure(config)?;
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} else if sigs.iter().any(|sig| sig == &MainSignal::User2) {
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eprintln!("Switching to polling for funsies");
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config.file_watcher(Watcher::Poll(Duration::from_millis(50)));
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w.reconfigure(config)?;
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} else {
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action.outcome(Outcome::if_running(
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Outcome::both(Outcome::Stop, Outcome::Start),
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Outcome::Start,
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));
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}
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Ok::<(), ReconfigError>(())
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}
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});
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wx.reconfigure(runtime)?;
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wx.main().await.into_diagnostic()??;
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Ok(())
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}
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