Swift 5

Package.swift

@@ -1,23 +1,20 @@
-// swift-tools-version:4.2
-// The swift-tools-version declares the minimum version of Swift required to build this package.
+// swift-tools-version:5.0
 
 import PackageDescription
 
 let package = Package(
     name: "XcodeProject",
+	platforms: [
+		.macOS(.v10_14)
+	],
     products: [
-        // Products define the executables and libraries produced by a package, and make them visible to other packages.
         .library(
             name: "XcodeProject",
             targets: ["XcodeProject"]),
     ],
     dependencies: [
-        // Dependencies declare other packages that this package depends on.
-        // .package(url: /* package url */, from: "1.0.0"),
     ],
     targets: [
-        // Targets are the basic building blocks of a package. A target can define a module or a test suite.
-        // Targets can depend on other targets in this package, and on products in packages which this package depends on.
         .target(
             name: "XcodeProject",
             dependencies: []),

Sources/XcodeProject/Objects/Build Phases/PBXBuildPhase.swift

@@ -29,7 +29,7 @@ public class PBXBuildPhase: PBXObject {
 	}
 
 	public func remove(file: PBXBuildFile) {
-		guard let index = files.index(of: file) else { return }
+		guard let index = files.firstIndex(of: file) else { return }
 		files.remove(at: index)
 	}
 

Sources/XcodeProject/Objects/References/PBXGroup.swift

@@ -54,7 +54,7 @@ public class PBXGroup: PBXReference {
 
 	public func remove(child: PBXReference) {
 		guard child.parent == self else { return }
-		guard let index = children.index(of: child) else { return }
+		guard let index = children.firstIndex(of: child) else { return }
 		children.remove(at: index)
 		self.child(child, didMoveTo: nil)
 	}

Sources/XcodeProject/Workspace.swift

@@ -26,7 +26,7 @@ extension WorkspaceItem {
 		print(location)
 		var scheme: String = ""
 		var path: String = location
-		if let index = location.index(of: ":") {
+		if let index = location.firstIndex(of: ":") {
 			scheme = String(location[..<index])
 			path = String(location[location.index(after: index)...])
 		}

XcodeProject.xcodeproj/project.pbxproj

@@ -330,7 +330,7 @@
 			isa = PBXProject;
 			attributes = {
 				LastSwiftUpdateCheck = 0810;
-				LastUpgradeCheck = 0930;
+				LastUpgradeCheck = 1020;
 				ORGANIZATIONNAME = "Geoffrey Foster";
 				TargetAttributes = {
 					6CD222821DDD5C170058C7CD = {
@@ -347,10 +347,11 @@
 			};
 			buildConfigurationList = 6CD2227D1DDD5C170058C7CD /* Build configuration list for PBXProject "XcodeProject" */;
 			compatibilityVersion = "Xcode 3.2";
-			developmentRegion = English;
+			developmentRegion = en;
 			hasScannedForEncodings = 0;
 			knownRegions = (
 				en,
+				Base,
 			);
 			mainGroup = 6CD222791DDD5C170058C7CD;
 			productRefGroup = 6CD222841DDD5C180058C7CD /* Products */;
@@ -451,6 +452,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
+				CLANG_ANALYZER_LOCALIZABILITY_NONLOCALIZED = YES;
 				CLANG_ANALYZER_NONNULL = YES;
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
 				CLANG_CXX_LIBRARY = "libc++";
@@ -503,6 +505,7 @@
 				SDKROOT = macosx;
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = DEBUG;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
+				SWIFT_VERSION = 5.0;
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
 			};
@@ -512,6 +515,7 @@
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
+				CLANG_ANALYZER_LOCALIZABILITY_NONLOCALIZED = YES;
 				CLANG_ANALYZER_NONNULL = YES;
 				CLANG_CXX_LANGUAGE_STANDARD = "gnu++0x";
 				CLANG_CXX_LIBRARY = "libc++";
@@ -556,6 +560,7 @@
 				MTL_ENABLE_DEBUG_INFO = NO;
 				SDKROOT = macosx;
 				SWIFT_OPTIMIZATION_LEVEL = "-Owholemodule";
+				SWIFT_VERSION = 5.0;
 				VERSIONING_SYSTEM = "apple-generic";
 				VERSION_INFO_PREFIX = "";
 			};
@@ -579,7 +584,6 @@
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
-				SWIFT_VERSION = 4.2;
 			};
 			name = Debug;
 		};
@@ -600,7 +604,6 @@
 				PRODUCT_BUNDLE_IDENTIFIER = "net.g-Off.XcodeProject";
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				SKIP_INSTALL = YES;
-				SWIFT_VERSION = 4.2;
 			};
 			name = Release;
 		};
@@ -612,7 +615,6 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks @loader_path/../Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "net.g-Off.XcodeProjectTests";
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 4.2;
 			};
 			name = Debug;
 		};
@@ -624,7 +626,6 @@
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/../Frameworks @loader_path/../Frameworks";
 				PRODUCT_BUNDLE_IDENTIFIER = "net.g-Off.XcodeProjectTests";
 				PRODUCT_NAME = "$(TARGET_NAME)";
-				SWIFT_VERSION = 4.2;
 			};
 			name = Release;
 		};

XcodeProject.xcodeproj/xcshareddata/xcschemes/XcodeProject.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0930"
+   LastUpgradeVersion = "1020"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"