add -v and --version for showing hb version

hb/__init__.py

@@ -40,4 +40,5 @@ CONFIG_STRUCT = {
     "product": None,
     "product_path": None,
     "device_path": None
-}
\ No newline at end of file
+}
+VERSION = '0.3.5'

hb/__main__.py

@@ -24,6 +24,7 @@ sys.path.insert(0, os.path.abspath(os.path.join(__file__,
 import argparse
 import importlib
 
+from hb import VERSION
 from hb.common.utils import hb_warning
 from hb.common.utils import hb_error
 
@@ -31,6 +32,10 @@ from hb.common.utils import hb_error
 def main():
     parser = argparse.ArgumentParser(usage="hb",
                                      description='OHOS build system')
+    parser.add_argument('-v', '--version',
+                        action='version',
+                        version=f'[OHOS INFO] hb version {VERSION}')
+
     subparsers = parser.add_subparsers()
     parser_list = []
     parser_list.append({

setup.py

@@ -19,13 +19,15 @@
 import os
 from setuptools import setup
 
+from hb import VERSION
+
 WORK_PATH = os.path.abspath(os.path.dirname('__file__'))
 README_PATH = os.path.join(WORK_PATH, 'README.md')
 LONG_DESCRIPTION = open(README_PATH, 'r', encoding='utf-8').read()
 
 setup(
     name='ohos-build',
-    version='0.3.2',
+    version=VERSION,
     author='Huawei',
     author_email='contact@openharmony.io',
     description='OHOS build command line tool',