organize command template

Signed-off-by: Daijiro Fukuda <fukuda@clear-code.com>

Author: daipom

exe/tailcheck

@@ -3,4 +3,7 @@
 
 require 'fluent/tail_checker'
 
-Fluent::TailChecker.run
+puts Fluent::TailChecker::VERSION
+
+command = Fluent::TailChecker::TailCheck.new
+exit(command.run)

lib/fluent/tail_checker.rb

@@ -14,12 +14,5 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+require_relative "tail_checker/tail_check"
 require_relative "tail_checker/version"
-
-module Fluent
-  module TailChecker
-    def self.run
-      puts Fluent::TailChecker::VERSION
-    end
-  end
-end

lib/fluent/tail_checker/tail_check.rb

@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+
+# Copyright 2025 Daijiro Fukuda
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+module Fluent
+  module TailChecker
+    class TailCheck
+      def run
+        # TODO
+        puts "TailCheck command run."
+        true
+      end
+    end
+  end
+end