Upgrade to Swift 5.3

.swiftlint.yml

@@ -81,7 +81,6 @@ whitelist_rules:
   - operator_whitespace
   - orphaned_doc_comment
   - overridden_super_call
-  - pattern_matching_keywords
   - prefer_self_type_over_type_of_self
   - private_action
   - private_outlet
@@ -109,7 +108,6 @@ whitelist_rules:
   - switch_case_alignment
   - switch_case_on_newline
   - syntactic_sugar
-  - todo
   - toggle_bool
   - trailing_closure
   - trailing_comma
@@ -121,7 +119,6 @@ whitelist_rules:
   - unneeded_parentheses_in_closure_argument
   - unowned_variable_capture
   - untyped_error_in_catch
-  - unused_capture_list
   - unused_closure_parameter
   - unused_control_flow_label
   - unused_enumerated

DockProgress.podspec

@@ -8,6 +8,6 @@ Pod::Spec.new do |s|
 	s.authors = { 'Sindre Sorhus' => 'sindresorhus@gmail.com' }
 	s.source = { :git => 'https://github.com/sindresorhus/DockProgress.git', :tag => "v#{s.version}" }
 	s.source_files = 'Sources/**/*.swift'
-	s.swift_version = '5.2'
+	s.swift_version = '5.3'
 	s.platform = :macos, '10.12'
 end

DockProgress.xcodeproj/project.pbxproj

@@ -3,7 +3,7 @@
 	archiveVersion = 1;
 	classes = {
 	};
-	objectVersion = 52;
+	objectVersion = 54;
 	objects = {
 
 /* Begin PBXBuildFile section */
@@ -181,7 +181,7 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 0940;
-				LastUpgradeCheck = 1160;
+				LastUpgradeCheck = 1200;
 				TargetAttributes = {
 					"DockProgress::DockProgress" = {
 						LastSwiftMigration = 1020;
@@ -193,7 +193,7 @@
 				};
 			};
 			buildConfigurationList = OBJ_2 /* Build configuration list for PBXProject "DockProgress" */;
-			compatibilityVersion = "Xcode 11.0";
+			compatibilityVersion = "Xcode 12.0";
 			developmentRegion = en;
 			hasScannedForEncodings = 0;
 			knownRegions = (
@@ -463,6 +463,7 @@
 				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
 				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
+				CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
 				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
 				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;
@@ -512,6 +513,7 @@
 				CLANG_WARN_NON_LITERAL_NULL_CONVERSION = YES;
 				CLANG_WARN_OBJC_IMPLICIT_RETAIN_SELF = YES;
 				CLANG_WARN_OBJC_LITERAL_CONVERSION = YES;
+				CLANG_WARN_QUOTED_INCLUDE_IN_FRAMEWORK_HEADER = YES;
 				CLANG_WARN_RANGE_LOOP_ANALYSIS = YES;
 				CLANG_WARN_STRICT_PROTOTYPES = YES;
 				CLANG_WARN_SUSPICIOUS_MOVE = YES;

DockProgress.xcodeproj/xcshareddata/xcschemes/DockProgress-Package.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1160"
+   LastUpgradeVersion = "1200"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

DockProgress.xcodeproj/xcshareddata/xcschemes/DockProgressExample.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1160"
+   LastUpgradeVersion = "1200"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

Example/AppDelegate.swift

@@ -1,7 +1,7 @@
 import Cocoa
 import DockProgress
 
-@NSApplicationMain
+@main
 final class AppDelegate: NSObject, NSApplicationDelegate {
 	func borrowIconFromApp(_ app: String) {
 		let icon = NSWorkspace.shared.icon(forFile: NSWorkspace.shared.fullPath(forApplication: app)!)

Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version:5.2
+// swift-tools-version:5.3
 import PackageDescription
 
 let package = Package(

Sources/DockProgress/DockProgress.swift

@@ -1,6 +1,6 @@
 import Cocoa
 
-public final class DockProgress {
+public enum DockProgress {
 	private static var previousProgress: Double = 0
 	private static var progressObserver: NSKeyValueObservation?
 	private static var finishedObserver: NSKeyValueObservation?

readme.md

@@ -9,8 +9,8 @@ This package is used in production by the [Gifski app](https://github.com/sindre
 ## Requirements
 
 - macOS 10.12+
-- Xcode 11.4+
+- Xcode 12+
-- Swift 5.2+
+- Swift 5.3+
 
 ## Install