feat: add autoware_version package

system/autoware_version/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.5)
+project(autoware_version)
+
+find_package(ament_cmake_auto REQUIRED)
+ament_auto_find_build_dependencies()
+
+install(PROGRAMS
+  script/print
+  DESTINATION lib/${PROJECT_NAME}
+)
+
+if(BUILD_TESTING)
+  find_package(ament_lint_auto REQUIRED)
+  ament_lint_auto_find_test_dependencies()
+endif()
+
+ament_auto_package()

system/autoware_version/README.md

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+# autoware_version
+
+This package provides a command line tool to know the architecture version. This feature is temporary and will be removed when the interface is unified in the future.
+
+## How to use
+
+```sh
+ros2 run autoware_version print arch {full,type,version}
+```

system/autoware_version/package.xml

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+<?xml version="1.0"?>
+<?xml-model href="http://download.ros.org/schema/package_format3.xsd" schematypens="http://www.w3.org/2001/XMLSchema"?>
+<package format="3">
+
+  <name>autoware_version</name>
+  <version>0.0.0</version>
+  <description>The autoware_version package</description>
+  <maintainer email="isamu.takagi@tier4.jp">Takagi, Isamu</maintainer>
+  <license>Apache License 2.0</license>
+
+  <buildtool_depend>ament_cmake_auto</buildtool_depend>
+
+  <test_depend>ament_lint_auto</test_depend>
+  <test_depend>autoware_lint_common</test_depend>
+
+  <export>
+    <build_type>ament_cmake</build_type>
+  </export>
+
+</package>

system/autoware_version/script/print

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+#!/usr/bin/env python3
+# TODO(Takagi, Isamu): this is a temporary script and may change in the future
+import argparse
+
+parser = argparse.ArgumentParser()
+parser.add_argument("target", choices=["arch"])
+parser.add_argument("format", choices=["full", "type", "version"], default="full", nargs="?")
+args = parser.parse_args()
+data = {"arch": {"type": "universe", "version": "1.0.0"}}
+
+if args.format == "full":
+    print("{type} {version}".format(**data[args.target]))
+else:
+    print(data[args.target][args.format])