fix: Add files to be created by create.

packages/katana_cli/lib/code/katana.dart

@@ -47,7 +47,23 @@ app:
     url:
     email:
 
+  # Create a `CertificateSigningRequest.certSigningRequest` for iOS.
+  # Please include your support email address in [email].
+  # iOS用の`CertificateSigningRequest.certSigningRequest`を作成します。
+  # [email]にサポート用のEmailアドレスを記載してください。
+  csr: 
+    email:
 
+  # Create a keystore for Android.
+  # Enter the alias of the keystore in [alias], the common name in [name], the organization name in [organization], the state or province in [state], and the country in [country].
+  # Android用のkeystoreを作成します。
+  # [alias]にkeystoreのエイリアス、[name]に共通名、[organization]に組織名、[state]に州や都道府県、[country]に国名を入力してください。
+  keystore: 
+    alias: 
+    name: 
+    organization: 
+    state: Tokyo
+    country: Japan
 """;
   }
 }

packages/katana_cli/lib/code/katana_secrets.dart

@@ -0,0 +1,46 @@
+part of katana_cli;
+
+/// Contents of katana.yaml.
+///
+/// katana_secrets.yamlの中身。
+class KatanaSecretsCliCode extends CliCode {
+  /// Contents of katana.yaml.
+  ///
+  /// katana_secrets.yamlの中身。
+  const KatanaSecretsCliCode();
+
+  @override
+  String get name => "katana_secrets";
+
+  @override
+  String get prefix => "katana_secrets";
+
+  @override
+  String get directory => "";
+
+  @override
+  String get description =>
+      "Create katana_secrets.yaml for katana_cli. katana_cli用のkatana_secrets.yamlを作成します。";
+
+  @override
+  String import(String path, String baseName, String className) {
+    return "";
+  }
+
+  @override
+  String header(String path, String baseName, String className) {
+    return "";
+  }
+
+  @override
+  String body(String path, String baseName, String className) {
+    return r"""
+# Describe Github secret information.
+# Githubのシークレット情報を記述します。
+github:
+  # Please describe the Github token.
+  # Githubのトークンを記載してください。
+  token:
+""";
+  }
+}

packages/katana_cli/lib/code/pubspec_overrides.dart

@@ -0,0 +1,41 @@
+part of katana_cli;
+
+/// Contents of katana.yaml.
+///
+/// pubspec_overrides.yamlの中身。
+class PubspecOverridesCliCode extends CliCode {
+  /// Contents of katana.yaml.
+  ///
+  /// pubspec_overrides.yamlの中身。
+  const PubspecOverridesCliCode();
+
+  @override
+  String get name => "pubspec_overrides";
+
+  @override
+  String get prefix => "kapubspec_overridestana";
+
+  @override
+  String get directory => "";
+
+  @override
+  String get description =>
+      "Create pubspec_overrides.yaml for katana_cli. katana_cli用のpubspec_overrides.yamlを作成します。";
+
+  @override
+  String import(String path, String baseName, String className) {
+    return "";
+  }
+
+  @override
+  String header(String path, String baseName, String className) {
+    return "";
+  }
+
+  @override
+  String body(String path, String baseName, String className) {
+    return r"""
+dependency_overrides:
+""";
+  }
+}

packages/katana_cli/lib/command/create.dart

@@ -1,3 +1,5 @@
+import 'dart:io';
+
 import 'package:katana_cli/katana_cli.dart';
 
 /// Package to import.
@@ -56,7 +58,7 @@ class CreateCliCommand extends CliCommand {
   Future<void> exec(ExecContext context) async {
     final bin = context.yaml.getAsMap("bin");
     final flutter = bin.get("flutter", "flutter");
-    final packageName = context.args.get(2, "");
+    final packageName = context.args.get(1, "");
     if (packageName.isEmpty) {
       print(
         "Please provide the name of the package.\r\nパッケージ名を記載してください。\r\n\r\nkatana create [package name]",
@@ -116,6 +118,25 @@ class CreateCliCommand extends CliCommand {
     }
     label("Create a katana.yaml");
     await const KatanaCliCode().generateFile("katana.yaml");
+    label("Create a katana_secrets.yaml");
+    await const KatanaSecretsCliCode().generateFile("katana_secrets.yaml");
+    label("Create a pubspec_overrides.yaml");
+    await const PubspecOverridesCliCode()
+        .generateFile("pubspec_overrides.yaml");
+    label("Rewrite `.gitignore`.");
+    final gitignore = File(".gitignore");
+    if (!gitignore.existsSync()) {
+      print("Cannot find `.gitignore`. Project is broken.");
+      return;
+    }
+    final gitignores = await gitignore.readAsLines();
+    if (!gitignores.any((e) => e.startsWith("pubspec_overrides.yaml"))) {
+      gitignores.add("pubspec_overrides.yaml");
+    }
+    if (!gitignores.any((e) => e.startsWith("katana_secrets.yaml"))) {
+      gitignores.add("katana_secrets.yaml");
+    }
+    await gitignore.writeAsString(gitignores.join("\n"));
     await command(
       "Run the project's build_runner to generate code.",
       [

packages/katana_cli/lib/katana_cli.dart

@@ -26,6 +26,8 @@ part 'code/controller.dart';
 part 'code/controller_group.dart';
 part 'code/document_model.dart';
 part 'code/katana.dart';
+part 'code/katana_secrets.dart';
+part 'code/pubspec_overrides.dart';
 part 'code/launch.dart';
 part 'code/main.dart';
 part 'code/page.dart';

packages/katana_cli/lib/src/framework.dart

@@ -206,9 +206,11 @@ abstract class CliCode {
   ///
   /// [directory]/[name].code-snippetsにVSCode用のコードスニペットファイルを作成します。
   Future<void> generateCodeSnippet(String directory) async {
-    final dir = Directory(directory);
-    if (!dir.existsSync()) {
-      await dir.create(recursive: true);
+    if (directory.isNotEmpty) {
+      final dir = Directory(directory);
+      if (!dir.existsSync()) {
+        await dir.create(recursive: true);
+      }
     }
     final fileName = name.toSnakeCase();
     final json = {
@@ -246,7 +248,9 @@ abstract class CliCode {
             .split("\n")
       }
     };
-    await File("$directory/$fileName.code-snippets").writeAsString(
+    await File(
+            "${directory.isNotEmpty ? "$directory/" : ""}$fileName.code-snippets")
+        .writeAsString(
       jsonEncode(json),
     );
   }
@@ -255,11 +259,14 @@ abstract class CliCode {
   ///
   /// [directory]/[fileName]に特定のファイルを作成します。
   Future<void> generateFile(String fileName) async {
-    final dir = Directory(directory);
-    if (!dir.existsSync()) {
-      await dir.create(recursive: true);
+    if (directory.isNotEmpty) {
+      final dir = Directory(directory);
+      if (!dir.existsSync()) {
+        await dir.create(recursive: true);
+      }
     }
-    await File("$directory/$fileName").writeAsString(
+    await File("${directory.isNotEmpty ? "$directory/" : ""}$fileName")
+        .writeAsString(
       "${import("", "", "")}${header("", "", "")}${body("", "", "")}",
     );
   }