Implement watch exclusion lists

Allow exclusion of directories when watching recursively.

Tests/InotifyIntegrationTests/DirectoryResolverTests.swift

@@ -0,0 +1,17 @@
+import Foundation
+import Testing
+@testable import Inotify
+
+@Suite("Directory Resolver")
+struct DirectoryResolverTests {
+	@Test func listsDirectoryTree() async throws {
+		try await withTempDir { dir in
+			let subDirectory = "\(dir)/Subfolder/Folder 01"
+			try FileManager.default.createDirectory(atPath: subDirectory, withIntermediateDirectories: true)
+			let directories = try await DirectoryResolver.resolve(dir)
+
+			#expect(directories.count == 3)
+			#expect(directories.map { $0.description } == [dir, "\(dir)/Subfolder", subDirectory])
+		}
+	}
+}

Tests/InotifyIntegrationTests/RecursiveEventTests.swift

@@ -21,6 +21,24 @@ struct RecursiveEventTests {
 		}
 	}
 
+	@Test func ignoresFileCreationInIgnoredSubfolder() async throws {
+		try await withTempDir { dir in
+			let subDirectory = "\(dir)/Subfolder"
+			let filepath = "\(subDirectory)/modify-target.txt"
+			try FileManager.default.createDirectory(atPath: subDirectory, withIntermediateDirectories: true)
+
+			let events = try await getEventsForTrigger(
+				in: dir,
+				mask: [.create],
+				recursive: .recursive,
+				exclude: ["Subfolder"]
+			) { _ in try createFile(at: "\(filepath)", contents: "hello") }
+
+			let createEvent = events.first { $0.mask.contains(.create) && $0.path.string == filepath }
+			#expect(createEvent == nil, "Did not expect CREATE for '\(filepath)', got: \(events)")
+		}
+	}
+
 	@Test func newSubfoldersOfRecursiveWatchAreAutomaticallyWatchedToo() async throws {
 		try await withTempDir { dir in
 			let subDirectory = "\(dir)/Subfolder"
@@ -32,7 +50,7 @@ struct RecursiveEventTests {
 				recursive: .withAutomaticSubtreeWatching
 			) { _ in
 				try FileManager.default.createDirectory(atPath: subDirectory, withIntermediateDirectories: true)
-				try await Task.sleep(for: .milliseconds(200))
+				try await Task.sleep(for: .milliseconds(400))
 				try createFile(at: "\(filepath)", contents: "hello")
 			}
 

Tests/InotifyIntegrationTests/Utilities/getEventsForTrigger.swift

@@ -10,9 +10,11 @@ func getEventsForTrigger(
 	in dir: String,
 	mask: InotifyEventMask,
 	recursive: RecursivKind = .nonrecursive,
+	exclude: [String] = [],
 	trigger: @escaping (String) async throws -> Void,
 ) async throws -> [InotifyEvent] {
 	let watcher = try Inotify()
+	await watcher.exclude(names: exclude)
 	switch recursive {
 	case .nonrecursive:
 		try await watcher.addWatch(path: dir, mask: mask)