Package.swift, containertool: Make multi-line definitions clearer

Commit 9a3e7af configured Swift Format
to retain existing line breaks to make complex test case definitions easier
to read.   This commit reformats complex definitions in Package.swift and
containertool to make more readable.

Author: euanh

Package.swift

@@ -40,7 +40,9 @@ let package = Package(
         .executableTarget(
             name: "containertool",
             dependencies: [
-                .target(name: "ContainerRegistry"), .target(name: "VendorCNIOExtrasZlib"), .target(name: "Tar"),
+                .target(name: "ContainerRegistry"),
+                .target(name: "VendorCNIOExtrasZlib"),
+                .target(name: "Tar"),
                 .product(name: "ArgumentParser", package: "swift-argument-parser"),
             ],
             swiftSettings: [.swiftLanguageMode(.v5)]
@@ -51,7 +53,8 @@ let package = Package(
             dependencies: [],
             path: "Vendor/github.com/apple/swift-nio-extras/Sources/CNIOExtrasZlib",
             linkerSettings: [.linkedLibrary("z")]
-        ), .target(name: "Tar"),
+        ),
+        .target(name: "Tar"),
         .target(
             // Vendored from https://github.com/apple/swift-package-manager with modifications
             name: "Basics",
@@ -86,7 +89,8 @@ let package = Package(
             name: "ContainerRegistryTests",
             dependencies: [.target(name: "ContainerRegistry")],
             resources: [.process("Resources")]
-        ), .testTarget(name: "containertoolTests", dependencies: [.target(name: "containertool")]),
+        ),
+        .testTarget(name: "containertoolTests", dependencies: [.target(name: "containertool")]),
         .testTarget(name: "TarTests", dependencies: [.target(name: "Tar")]),
     ],
     swiftLanguageModes: [.v6]

Sources/containertool/containertool.swift

@@ -28,36 +28,45 @@ enum AllowHTTP: String, ExpressibleByArgument, CaseIterable { case source, desti
         abstract: "Build and upload a container image"
     )
 
-    @Option(help: "Default registry for references which do not specify a registry") private var defaultRegistry:
-        String = ProcessInfo.processInfo.environment["CONTAINERTOOL_DEFAULT_REGISTRY"] ?? "docker.io"
+    @Option(help: "Default registry for references which do not specify a registry")
+    private var defaultRegistry: String =
+        ProcessInfo.processInfo.environment["CONTAINERTOOL_DEFAULT_REGISTRY"] ?? "docker.io"
 
-    @Option(help: "Repository path") private var repository: String
+    @Option(help: "Repository path")
+    private var repository: String
 
-    @Argument(help: "Executable to package") private var executable: String
+    @Argument(help: "Executable to package")
+    private var executable: String
 
-    @Option(help: "Username") private var username: String?
+    @Option(help: "Username")
+    private var username: String?
 
-    @Option(help: "Password") private var password: String?
+    @Option(help: "Password")
+    private var password: String?
 
-    @Flag(name: .shortAndLong, help: "Verbose output") private var verbose: Bool = false
+    @Flag(name: .shortAndLong, help: "Verbose output")
+    private var verbose: Bool = false
 
-    @Option(help: "Connect to the container registry using plaintext HTTP") var allowInsecureHttp: AllowHTTP?
+    @Option(help: "Connect to the container registry using plaintext HTTP")
+    var allowInsecureHttp: AllowHTTP?
 
-    @Option(help: "CPU architecture") private var architecture: String =
-        ProcessInfo.processInfo.environment["CONTAINERTOOL_ARCHITECTURE"] ?? "amd64"
+    @Option(help: "CPU architecture")
+    private var architecture: String = ProcessInfo.processInfo.environment["CONTAINERTOOL_ARCHITECTURE"] ?? "amd64"
 
-    @Option(help: "Base image reference") private var from: String =
-        ProcessInfo.processInfo.environment["CONTAINERTOOL_BASE_IMAGE"] ?? "swift:slim"
+    @Option(help: "Base image reference")
+    private var from: String = ProcessInfo.processInfo.environment["CONTAINERTOOL_BASE_IMAGE"] ?? "swift:slim"
 
-    @Option(help: "Operating system") private var os: String =
-        ProcessInfo.processInfo.environment["CONTAINERTOOL_OS"] ?? "linux"
+    @Option(help: "Operating system")
+    private var os: String = ProcessInfo.processInfo.environment["CONTAINERTOOL_OS"] ?? "linux"
 
-    @Option(help: "Tag for this manifest") private var tag: String?
+    @Option(help: "Tag for this manifest")
+    private var tag: String?
 
     @Flag(inversion: .prefixedEnableDisable, exclusivity: .exclusive, help: "Load credentials from a netrc file")
     private var netrc: Bool = true
 
-    @Option(help: "Specify the netrc file path") private var netrcFile: String?
+    @Option(help: "Specify the netrc file path")
+    private var netrcFile: String?
 
     func run() async throws {
         let baseimage = try ImageReference(fromString: from, defaultRegistry: defaultRegistry)