Enable Swift 6 Language Mode

Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version:5.9
+// swift-tools-version:6.0
 
 //
 // This source file is part of the Stanford Spezi open-source project
@@ -8,6 +8,7 @@
 // SPDX-License-Identifier: MIT
 //
 
+import class Foundation.ProcessInfo
 import PackageDescription
 
 
@@ -21,8 +22,8 @@ let package = Package(
         .library(name: "SpeziMedication", targets: ["SpeziMedication"])
     ],
     dependencies: [
-        .package(url: "https://github.com/StanfordSpezi/SpeziViews", from: "1.2.0")
-    ],
+        .package(url: "https://github.com/StanfordSpezi/SpeziViews", from: "1.7.0")
+    ] + swiftLintPackage(),
     targets: [
         .target(
             name: "SpeziMedication",
@@ -31,13 +32,33 @@ let package = Package(
             ],
             resources: [
                 .process("Resources")
-            ]
+            ],
+            plugins: [] + swiftLintPlugin()
         ),
         .testTarget(
             name: "SpeziMedicationTests",
             dependencies: [
                 .target(name: "SpeziMedication")
-            ]
+            ],
+            plugins: [] + swiftLintPlugin()
         )
     ]
 )
+
+
+func swiftLintPlugin() -> [Target.PluginUsage] {
+    // Fully quit Xcode and open again with `open --env SPEZI_DEVELOPMENT_SWIFTLINT /Applications/Xcode.app`
+    if ProcessInfo.processInfo.environment["SPEZI_DEVELOPMENT_SWIFTLINT"] != nil {
+        [.plugin(name: "SwiftLintBuildToolPlugin", package: "SwiftLint")]
+    } else {
+        []
+    }
+}
+
+func swiftLintPackage() -> [PackageDescription.Package.Dependency] {
+    if ProcessInfo.processInfo.environment["SPEZI_DEVELOPMENT_SWIFTLINT"] != nil {
+        [.package(url: "https://github.com/realm/SwiftLint.git", from: "0.55.1")]
+    } else {
+        []
+    }
+}

Sources/SpeziMedication/Extensions/String+LocalizedError.swift

@@ -9,7 +9,7 @@
 import Foundation
 
 
-extension String: LocalizedError {
+extension String: @retroactive LocalizedError {
     public var errorDescription: String? {
         self
     }

Sources/SpeziMedication/Extensions/UIDatePicker+SwiftUI.swift

@@ -10,6 +10,7 @@ import SwiftUI
 
 
 struct ScheduledTimeDatePicker: UIViewRepresentable {
+    @MainActor
     class Coordinator: NSObject {
         private var lastDate: Date
         private let date: Binding<Date>

Sources/SpeziMedication/MedicationSettingsViewModel.swift

@@ -45,6 +45,7 @@ public protocol MedicationSettingsViewModel<Medications>: Observable {
     ///
     /// Be sure that the ``medicationInstances`` property is updated with the resulting set of medications.
     /// - Parameter medications: The set of medications to be persisted.
+    @MainActor
     func persist(medicationInstances: Set<Medications>) async throws
 }
 

Sources/SpeziMedication/Models/Weekdays.swift

@@ -9,8 +9,8 @@
 import Foundation
 
 
-public struct Weekdays: OptionSet, Codable, Hashable, CaseIterable, Identifiable {
-    public static var allCases: [Weekdays] = [.monday, .tuesday, .wednesday, .thursday, .friday, .saturday, .sunday]
+public struct Weekdays: OptionSet, Codable, Hashable, CaseIterable, Identifiable, Sendable {
+    public static let allCases: [Weekdays] = [.monday, .tuesday, .wednesday, .thursday, .friday, .saturday, .sunday]
 
     static let sunday = Weekdays(rawValue: 1 << 0)
     static let monday = Weekdays(rawValue: 1 << 1)

Sources/SpeziMedication/ModifyMedication/ScheduleFrequency.swift

@@ -155,8 +155,8 @@ struct ScheduleFrequencyView: View {
 }
 
 #Preview {
-    @State var frequency: Frequency = .specificDaysOfWeek(.all)
-    @State var startDate: Date = .now
+    @Previewable @State var frequency: Frequency = .specificDaysOfWeek(.all)
+    @Previewable @State var startDate: Date = .now
 
     return ScheduleFrequencyView(frequency: $frequency, startDate: $startDate)
 }

Tests/UITests/TestApp/ExampleMedicationSettingsViewModel.swift

@@ -15,7 +15,7 @@ import SwiftUI
 class ExampleMedicationSettingsViewModel: Module, MedicationSettingsViewModel, CustomStringConvertible {
     var medicationInstances: Set<ExampleMedicationInstance> = []
     let medicationOptions: Set<ExampleMedication>
-    
+
 
     var description: String {
         guard !medicationInstances.isEmpty else {

Tests/UITests/UITests.xcodeproj/project.pbxproj

@@ -3,7 +3,7 @@
 	archiveVersion = 1;
 	classes = {
 	};
-	objectVersion = 56;
+	objectVersion = 77;
 	objects = {
 
 /* Begin PBXBuildFile section */
@@ -141,7 +141,6 @@
 				2F6D138F28F5F384007C25D6 /* Frameworks */,
 				2F6D139028F5F384007C25D6 /* Resources */,
 				2F9CBECE2A76C412009818FF /* Embed Watch Content */,
-				2FA84E6A2B153BC900F59E0C /* ShellScript */,
 			);
 			buildRules = (
 			);
@@ -182,7 +181,7 @@
 			attributes = {
 				BuildIndependentTargetsInParallel = 1;
 				LastSwiftUpdateCheck = 1500;
-				LastUpgradeCheck = 1500;
+				LastUpgradeCheck = 1610;
 				TargetAttributes = {
 					2F6D139128F5F384007C25D6 = {
 						CreatedOnToolsVersion = 14.1;
@@ -194,7 +193,6 @@
 				};
 			};
 			buildConfigurationList = 2F6D138D28F5F384007C25D6 /* Build configuration list for PBXProject "UITests" */;
-			compatibilityVersion = "Xcode 14.0";
 			developmentRegion = en;
 			hasScannedForEncodings = 0;
 			knownRegions = (
@@ -205,6 +203,7 @@
 			packageReferences = (
 				97B786B82B717396004066DB /* XCRemoteSwiftPackageReference "Spezi" */,
 			);
+			preferredProjectObjectVersion = 77;
 			productRefGroup = 2F6D139328F5F384007C25D6 /* Products */;
 			projectDirPath = "";
 			projectRoot = "";
@@ -233,27 +232,6 @@
 		};
 /* End PBXResourcesBuildPhase section */
 
-/* Begin PBXShellScriptBuildPhase section */
-		2FA84E6A2B153BC900F59E0C /* ShellScript */ = {
-			isa = PBXShellScriptBuildPhase;
-			alwaysOutOfDate = 1;
-			buildActionMask = 2147483647;
-			files = (
-			);
-			inputFileListPaths = (
-			);
-			inputPaths = (
-			);
-			outputFileListPaths = (
-			);
-			outputPaths = (
-			);
-			runOnlyForDeploymentPostprocessing = 0;
-			shellPath = /bin/sh;
-			shellScript = "if [ \"${CONFIGURATION}\" = \"Debug\" ]; then\n  export PATH=\"$PATH:/opt/homebrew/bin\"\n  if which swiftlint > /dev/null; then\n    cd ../../ && swiftlint\n  else\n    echo \"warning: SwiftLint not installed, download from https://github.com/realm/SwiftLint\"\n  fi\nfi\n";
-		};
-/* End PBXShellScriptBuildPhase section */
-
 /* Begin PBXSourcesBuildPhase section */
 		2F6D138E28F5F384007C25D6 /* Sources */ = {
 			isa = PBXSourcesBuildPhase;
@@ -325,6 +303,7 @@
 				DEBUG_INFORMATION_FORMAT = dwarf;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				ENABLE_TESTABILITY = YES;
+				ENABLE_USER_SCRIPT_SANDBOXING = YES;
 				GCC_C_LANGUAGE_STANDARD = gnu11;
 				GCC_DYNAMIC_NO_PIC = NO;
 				GCC_NO_COMMON_BLOCKS = YES;
@@ -348,6 +327,7 @@
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
 				SWIFT_EMIT_LOC_STRINGS = YES;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+				SWIFT_VERSION = 6.0;
 			};
 			name = Debug;
 		};
@@ -388,6 +368,7 @@
 				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
 				ENABLE_NS_ASSERTIONS = NO;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
+				ENABLE_USER_SCRIPT_SANDBOXING = YES;
 				GCC_C_LANGUAGE_STANDARD = gnu11;
 				GCC_NO_COMMON_BLOCKS = YES;
 				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
@@ -404,14 +385,14 @@
 				SWIFT_COMPILATION_MODE = wholemodule;
 				SWIFT_EMIT_LOC_STRINGS = YES;
 				SWIFT_OPTIMIZATION_LEVEL = "-O";
+				SWIFT_VERSION = 6.0;
 				VALIDATE_PRODUCT = YES;
 			};
 			name = Release;
 		};
 		2F6D13B728F5F386007C25D6 /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
 				CODE_SIGN_STYLE = Automatic;
@@ -440,15 +421,13 @@
 				SUPPORTS_XR_DESIGNED_FOR_IPHONE_IPAD = NO;
 				SWIFT_EMIT_LOC_STRINGS = YES;
 				SWIFT_STRICT_CONCURRENCY = complete;
-				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2,7";
 			};
 			name = Debug;
 		};
 		2F6D13B828F5F386007C25D6 /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
 				CODE_SIGN_STYLE = Automatic;
@@ -477,15 +456,13 @@
 				SUPPORTS_XR_DESIGNED_FOR_IPHONE_IPAD = NO;
 				SWIFT_EMIT_LOC_STRINGS = YES;
 				SWIFT_STRICT_CONCURRENCY = complete;
-				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2,7";
 			};
 			name = Release;
 		};
 		2F6D13BD28F5F386007C25D6 /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
 				CODE_SIGN_STYLE = Automatic;
 				CURRENT_PROJECT_VERSION = 1;
 				DEVELOPMENT_TEAM = 637867499T;
@@ -500,7 +477,6 @@
 				SUPPORTS_MAC_DESIGNED_FOR_IPHONE_IPAD = NO;
 				SUPPORTS_XR_DESIGNED_FOR_IPHONE_IPAD = NO;
 				SWIFT_EMIT_LOC_STRINGS = NO;
-				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				TEST_TARGET_NAME = TestApp;
 			};
@@ -509,7 +485,6 @@
 		2F6D13BE28F5F386007C25D6 /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
 				CODE_SIGN_STYLE = Automatic;
 				CURRENT_PROJECT_VERSION = 1;
 				DEVELOPMENT_TEAM = 637867499T;
@@ -524,7 +499,6 @@
 				SUPPORTS_MAC_DESIGNED_FOR_IPHONE_IPAD = NO;
 				SUPPORTS_XR_DESIGNED_FOR_IPHONE_IPAD = NO;
 				SWIFT_EMIT_LOC_STRINGS = NO;
-				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				TEST_TARGET_NAME = TestApp;
 			};
@@ -567,6 +541,7 @@
 				DEBUG_INFORMATION_FORMAT = dwarf;
 				ENABLE_STRICT_OBJC_MSGSEND = YES;
 				ENABLE_TESTABILITY = YES;
+				ENABLE_USER_SCRIPT_SANDBOXING = YES;
 				GCC_C_LANGUAGE_STANDARD = gnu11;
 				GCC_DYNAMIC_NO_PIC = NO;
 				GCC_NO_COMMON_BLOCKS = YES;
@@ -590,13 +565,13 @@
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = TEST;
 				SWIFT_EMIT_LOC_STRINGS = YES;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+				SWIFT_VERSION = 6.0;
 			};
 			name = Test;
 		};
 		2FB07588299DDB6000C0B37F /* Test */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
 				CODE_SIGN_STYLE = Automatic;
@@ -625,15 +600,13 @@
 				SUPPORTS_XR_DESIGNED_FOR_IPHONE_IPAD = NO;
 				SWIFT_EMIT_LOC_STRINGS = YES;
 				SWIFT_STRICT_CONCURRENCY = complete;
-				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2,7";
 			};
 			name = Test;
 		};
 		2FB07589299DDB6000C0B37F /* Test */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
-				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
 				CODE_SIGN_STYLE = Automatic;
 				CURRENT_PROJECT_VERSION = 1;
 				DEVELOPMENT_TEAM = 637867499T;
@@ -648,7 +621,6 @@
 				SUPPORTS_MAC_DESIGNED_FOR_IPHONE_IPAD = NO;
 				SUPPORTS_XR_DESIGNED_FOR_IPHONE_IPAD = NO;
 				SWIFT_EMIT_LOC_STRINGS = NO;
-				SWIFT_VERSION = 5.0;
 				TARGETED_DEVICE_FAMILY = "1,2";
 				TEST_TARGET_NAME = TestApp;
 			};

Tests/UITests/UITests.xcodeproj/xcshareddata/xcschemes/TestApp.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1500"
+   LastUpgradeVersion = "1610"
    version = "1.7">
    <BuildAction
       parallelizeBuildables = "YES"