Move common_prefix to its own mod

cli/src/config.rs

@@ -6,13 +6,13 @@ use std::{
 use clap::ArgMatches;
 use miette::{IntoDiagnostic, Result};
 use watchexec::{
-	action::{Action, Outcome, Signal},
+	action::{Action, Outcome},
 	command::Shell,
 	config::{InitConfig, RuntimeConfig},
 	filter::tagged::TaggedFilterer,
 	fs::Watcher,
 	handler::PrintDisplay,
-	signal::source::MainSignal,
+	signal::{process::SubSignal, source::MainSignal},
 };
 
 pub fn new(args: &ArgMatches<'static>) -> Result<(InitConfig, RuntimeConfig, Arc<TaggedFilterer>)> {
@@ -85,13 +85,13 @@ fn runtime(args: &ArgMatches<'static>) -> Result<(RuntimeConfig, Arc<TaggedFilte
 
 	let mut signal = args
 		.value_of("signal")
-		.map(|s| Signal::from_str(s))
+		.map(|s| SubSignal::from_str(s))
 		.transpose()
 		.into_diagnostic()?
-		.unwrap_or(Signal::SIGTERM);
+		.unwrap_or(SubSignal::Terminate);
 
 	if args.is_present("kill") {
-		signal = Signal::SIGKILL;
+		signal = SubSignal::ForceStop;
 	}
 
 	let print_events = args.is_present("print-events");
@@ -136,17 +136,7 @@ fn runtime(args: &ArgMatches<'static>) -> Result<(RuntimeConfig, Arc<TaggedFilte
 			if !signals.is_empty() {
 				let mut out = Outcome::DoNothing;
 				for sig in signals {
-					out = Outcome::both(
-						out,
-						Outcome::Signal(match sig {
-							MainSignal::Hangup => Signal::SIGHUP,
-							MainSignal::Interrupt => Signal::SIGINT,
-							MainSignal::Quit => Signal::SIGQUIT,
-							MainSignal::Terminate => Signal::SIGTERM,
-							MainSignal::User1 => Signal::SIGUSR1,
-							MainSignal::User2 => Signal::SIGUSR2,
-						}),
-					);
+					out = Outcome::both(out, Outcome::Signal(sig.into()));
 				}
 
 				action.outcome(out);

cli/src/main.rs

@@ -11,6 +11,7 @@ use watchexec::{
 	event::Event,
 	filter::tagged::{Filter, Matcher, Op, Pattern, Regex},
 	ignore_files::{self, IgnoreFile},
+	paths::common_prefix,
 	project::{self, ProjectType},
 	Watchexec,
 };
@@ -51,7 +52,7 @@ async fn main() -> Result<()> {
 
 	debug!(?origins, "resolved all project origins");
 
-	let project_origin = project::common_prefix(&origins).unwrap_or_else(|| PathBuf::from("."));
+	let project_origin = common_prefix(&origins).unwrap_or_else(|| PathBuf::from("."));
 	debug!(?project_origin, "resolved common/project origin");
 
 	let vcs_types = project::types(&project_origin)

lib/src/action/workingdata.rs

@@ -11,8 +11,6 @@ use tokio::{
 	sync::{Mutex, OwnedMutexGuard},
 };
 
-pub use command_group::Signal;
-
 use crate::{command::Shell, event::Event, filter::Filterer, handler::Handler};
 
 use super::Outcome;

lib/src/lib.rs

@@ -93,6 +93,7 @@ pub mod event;
 pub mod filter;
 pub mod fs;
 pub mod ignore_files;
+pub mod paths;
 pub mod project;
 pub mod signal;
 

lib/src/paths.rs

@@ -0,0 +1,47 @@
+//! Utilities for paths and sets of paths.
+
+use std::path::{Path, PathBuf};
+
+/// Returns the longest common prefix of all given paths.
+///
+/// This is a utility function which is useful for finding the common root of a set of origins.
+///
+/// Returns `None` if zero paths are given or paths share no common prefix.
+pub fn common_prefix<I, P>(paths: I) -> Option<PathBuf>
+where
+	I: IntoIterator<Item = P>,
+	P: AsRef<Path>,
+{
+	let mut paths = paths.into_iter();
+	let first_path = paths.next().map(|p| p.as_ref().to_owned());
+	let mut longest_path = if let Some(ref p) = first_path {
+		p.components().collect::<Vec<_>>()
+	} else {
+		return None;
+	};
+
+	for path in paths {
+		let mut greatest_distance = 0;
+		for component_pair in path.as_ref().components().zip(longest_path.iter()) {
+			if component_pair.0 != *component_pair.1 {
+				break;
+			}
+
+			greatest_distance += 1;
+		}
+
+		if greatest_distance != longest_path.len() {
+			longest_path.truncate(greatest_distance);
+		}
+	}
+
+	if longest_path.is_empty() {
+		None
+	} else {
+		let mut result = PathBuf::new();
+		for component in longest_path {
+			result.push(component.as_os_str());
+		}
+		Some(result)
+	}
+}

lib/src/project.rs

@@ -190,50 +190,6 @@ pub async fn types(path: impl AsRef<Path>) -> HashSet<ProjectType> {
 	.collect()
 }
 
-/// Returns the longest common prefix of all given paths.
-///
-/// This is a utility function which is useful for finding the common root of a set of origins.
-///
-/// Returns `None` if zero paths are given or paths share no common prefix.
-pub fn common_prefix<I, P>(paths: I) -> Option<PathBuf>
-where
-	I: IntoIterator<Item = P>,
-	P: AsRef<Path>,
-{
-	let mut paths = paths.into_iter();
-	let first_path = paths.next().map(|p| p.as_ref().to_owned());
-	let mut longest_path = if let Some(ref p) = first_path {
-		p.components().collect::<Vec<_>>()
-	} else {
-		return None;
-	};
-
-	for path in paths {
-		let mut greatest_distance = 0;
-		for component_pair in path.as_ref().components().zip(longest_path.iter()) {
-			if component_pair.0 != *component_pair.1 {
-				break;
-			}
-
-			greatest_distance += 1;
-		}
-
-		if greatest_distance != longest_path.len() {
-			longest_path.truncate(greatest_distance);
-		}
-	}
-
-	if longest_path.is_empty() {
-		None
-	} else {
-		let mut result = PathBuf::new();
-		for component in longest_path {
-			result.push(component.as_os_str());
-		}
-		Some(result)
-	}
-}
-
 #[derive(Debug, Default)]
 struct DirList(HashMap<PathBuf, FileType>);
 impl DirList {