Hide io::errors when "waiting on process group"

cli/src/config/init.rs

@@ -2,17 +2,23 @@ use std::convert::Infallible;
 
 use clap::ArgMatches;
 use miette::Result;
-use watchexec::{config::InitConfig, handler::SyncFnHandler};
+use tracing::error;
+use watchexec::{config::InitConfig, error::RuntimeError, handler::SyncFnHandler};
 
 pub fn init(_args: &ArgMatches<'static>) -> Result<InitConfig> {
 	let mut config = InitConfig::default();
 	config.on_error(SyncFnHandler::from(
 		|data| -> std::result::Result<(), Infallible> {
-			// if let RuntimeError::IoError { .. } = data {
-			// 	// these are often spurious, so condemn them to -v only
-			// 	error!("{}", data);
-			// 	return Ok(());
-			// }
+			if let RuntimeError::IoError {
+				about: "waiting on process group",
+				..
+			} = data
+			{
+				// "No child processes" and such
+				// these are often spurious, so condemn them to -v only
+				error!("{}", data);
+				return Ok(());
+			}
 
 			if cfg!(debug_assertions) {
 				eprintln!("[[{:?}]]", data);

lib/src/ignore/files.rs

@@ -177,7 +177,7 @@ pub async fn from_origin(path: impl AsRef<Path>) -> (Vec<IgnoreFile>, Vec<Error>
 /// - User-specific git ignore files (e.g. `~/.gitignore`)
 /// - Git configurable ignore files (e.g. with `core.excludesFile` in system or user config)
 /// - `$XDG_CONFIG_HOME/watchexec/ignore`, as well as other locations (APPDATA on Windows…)
-/// - Files from the `WATCHEXEC_IGNORE_FILES` environment variable (comma-separated)
+/// - Files from the `WATCHEXEC_IGNORE_FILES` environment variable (separated the same was as `PATH`)
 ///
 /// All errors (permissions, etc) are collected and returned alongside the ignore files: you may
 /// want to show them to the user while still using whatever ignores were successfully found. Errors