Update init template to follow the 'package init' changes

Author: kateinoigakukun

Sources/CartonKit/Model/Template.swift

@@ -92,7 +92,7 @@ extension Template {
   ) throws {
     try fileSystem.writeFileContents(project.path.appending(component: "Package.swift")) {
       var content = """
-        // swift-tools-version:5.6
+        // swift-tools-version:5.8
         import PackageDescription
         let package = Package(
             name: "\(project.name)",\n
@@ -110,12 +110,18 @@ extension Template {
             targets: [
                 .executableTarget(
                     name: "\(project.name)",
+                    dependencies: [
+                        "\(project.name)Library",
+                        \(targetDepencencies.map(\.description).joined(separator: ",\n"))
+                    ]),
+                .target(
+                    name: "\(project.name)Library",
                     dependencies: [
                         \(targetDepencencies.map(\.description).joined(separator: ",\n"))
                     ]),
                 .testTarget(
                     name: "\(project.name)Tests",
-                    dependencies: ["\(project.name)"]),
+                    dependencies: ["\(project.name)Library"]),
             ]
         )
         """
@@ -135,8 +141,15 @@ extension Templates {
       project: Project,
       _ terminal: InteractiveWriter
     ) async throws {
+      // FIXME: We now create an intermediate library target to work around
+      // an issue that prevents us from testing executable targets on Wasm.
+      // See https://github.com/swiftwasm/swift/issues/5375
       try fileSystem.changeCurrentWorkingDirectory(to: project.path)
-      try await createPackage(type: .executable, fileSystem: fileSystem, project: project, terminal)
+      try await createPackage(
+        type: .library, fileSystem: fileSystem,
+        project: Project(name: project.name + "Library", path: project.path, inPlace: true),
+        terminal
+      )
       try createManifest(
         fileSystem: fileSystem,
         project: project,
@@ -151,6 +164,17 @@ extension Templates {
         ],
         terminal
       )
+      let sources = project.path.appending(component: "Sources")
+      let executableTarget = sources.appending(component: project.name)
+      // Create the executable target
+      try fileSystem.createDirectory(executableTarget)
+      try fileSystem.writeFileContents(executableTarget.appending(component: "main.swift")) {
+        """
+        import \(project.name)Library
+        print("Hello, world!")
+        """
+        .write(to: $0)
+      }
     }
   }
 }
@@ -166,7 +190,7 @@ extension Templates {
     ) async throws {
       try fileSystem.changeCurrentWorkingDirectory(to: project.path)
       try await createPackage(
-        type: .executable,
+        type: .library,
         fileSystem: fileSystem,
         project: project,
         terminal)

Sources/SwiftToolchain/Toolchain.swift

@@ -390,13 +390,11 @@ public final class Toolchain {
   }
 
   public func runPackageInit(name: String, type: PackageType, inPlace: Bool) async throws {
-    var initArgs = [
+    let initArgs = [
       swiftPath.pathString, "package", "init",
       "--type", type.rawValue,
+      "--name", name
     ]
-    if !inPlace {
-      initArgs.append(contentsOf: ["--name", name])
-    }
     try await TSCBasic.Process.run(initArgs, terminal)
   }
 

Tests/CartonCommandTests/InitCommandTests.swift

@@ -32,25 +32,24 @@ final class InitCommandTests: XCTestCase {
 
       // Confirm that the files are actually in the folder
       XCTAssertTrue(packageDirectory.ls().contains("Package.swift"), "Package.swift does not exist")
-      XCTAssertTrue(packageDirectory.ls().contains("README.md"), "README.md does not exist")
       XCTAssertTrue(packageDirectory.ls().contains(".gitignore"), ".gitignore does not exist")
       XCTAssertTrue(packageDirectory.ls().contains("Sources"), "Sources does not exist")
       XCTAssertTrue(
         packageDirectory.ls().contains("Sources/\(package)"),
         "Sources/\(package) does not exist"
       )
       XCTAssertTrue(
-        packageDirectory.ls().contains("Sources/\(package)/\(package).swift"),
-        "Sources/\(package)/\(package).swift does not exist"
+        packageDirectory.ls().contains("Sources/\(package)/main.swift"),
+        "Sources/\(package)/main.swift does not exist"
       )
       XCTAssertTrue(packageDirectory.ls().contains("Tests"), "Tests does not exist")
       XCTAssertTrue(
-        packageDirectory.ls().contains("Tests/\(package)Tests"),
-        "Tests/\(package)Tests does not exist"
+        packageDirectory.ls().contains("Tests/\(package)LibraryTests"),
+        "Tests/\(package)LibraryTests does not exist"
       )
       XCTAssertTrue(
-        packageDirectory.ls().contains("Tests/\(package)Tests/\(package)Tests.swift"),
-        "Tests/\(package)Tests/\(package)Tests.swift does not exist"
+        packageDirectory.ls().contains("Tests/\(package)LibraryTests/\(package)LibraryTests.swift"),
+        "Tests/\(package)LibraryTests/\(package)LibraryTests.swift does not exist"
       )
     }
   }
@@ -67,7 +66,6 @@ final class InitCommandTests: XCTestCase {
 
       // Confirm that the files are actually in the folder
       XCTAssertTrue(packageDirectory.ls().contains("Package.swift"), "Package.swift does not exist")
-      XCTAssertTrue(packageDirectory.ls().contains("README.md"), "README.md does not exist")
       XCTAssertTrue(packageDirectory.ls().contains(".gitignore"), ".gitignore does not exist")
       XCTAssertTrue(packageDirectory.ls().contains("Sources"), "Sources does not exist")
       XCTAssertTrue(