SCANPY-171 Return code from the Scanner CLI is not propagated back through the Python process

pyproject.toml

@@ -54,7 +54,7 @@ from = 'src'
 include = 'pysonar_scanner'
 
 [tool.poetry.scripts]
-pysonar = 'pysonar_scanner.__main__:scan'
+pysonar = 'pysonar_scanner.__main__:main'
 
 [[tool.poetry.source]]
 name = 'jfrog-server'

src/pysonar_scanner/__main__.py

@@ -41,6 +41,10 @@
 from pysonar_scanner.scannerengine import ScannerEngine, ScannerEngineProvisioner
 
 
+def main():
+    exit(scan())
+
+
 def scan():
     try:
         return do_scan()

tests/unit/test_main.py

@@ -22,7 +22,7 @@
 
 from pyfakefs import fake_filesystem_unittest as pyfakefs
 
-from pysonar_scanner.__main__ import scan, check_version, create_jre
+from pysonar_scanner.__main__ import scan, main, check_version, create_jre
 from pysonar_scanner.api import SQVersion, SonarQubeApi
 from pysonar_scanner.cache import Cache
 from pysonar_scanner.configuration.configuration_loader import ConfigurationLoader
@@ -91,6 +91,12 @@ def test_scan_with_exception(self, load_mock):
         exitcode = scan()
         self.assertEqual(1, exitcode)
 
+    def test_main_with_exitcode_not_zero(self):
+        with patch("pysonar_scanner.__main__.scan", return_value=42):
+            with self.assertRaises(SystemExit) as main_exit:
+                main()
+            self.assertEqual(main_exit.exception.code, 42)
+
     def test_version_check_outdated_sonarqube(self):
         sq_cloud_api = sq_api_utils.get_sq_server()
         sq_cloud_api.get_analysis_version = Mock(return_value=SQVersion.from_str("9.9.9"))