From 21a671a8e28b94f4a0bb5d42869ebdad6b349e7a Mon Sep 17 00:00:00 2001
From: Shlomi Fish <shlomif@shlomifish.org>
Date: Wed, 12 Oct 2022 16:25:20 +0300
Subject: [PATCH] add dash-dash-version-cli-flag

"--version"
---
 pysollib/init.py                           |  4 ++++
 tests/lib/pysol_tests/test_version_flag.py | 22 ++++++++++++++++++++++
 2 files changed, 26 insertions(+)
 create mode 100644 tests/lib/pysol_tests/test_version_flag.py

diff --git a/pysollib/init.py b/pysollib/init.py
index 1fbaeccd..0621c366 100644
--- a/pysollib/init.py
+++ b/pysollib/init.py
@@ -79,6 +79,10 @@ def init():
             pysollib.settings.DEBUG = 1
         print(('PySol debugging: set DEBUG to', pysollib.settings.DEBUG))
 
+    if '--version' in sys.argv:
+        print("PySol FC version {}".format(pysollib.settings.VERSION))
+        sys.exit(0)
+
     # init toolkit
     if '--gtk' in sys.argv:
         pysollib.settings.TOOLKIT = 'gtk'
diff --git a/tests/lib/pysol_tests/test_version_flag.py b/tests/lib/pysol_tests/test_version_flag.py
new file mode 100644
index 00000000..b451b29a
--- /dev/null
+++ b/tests/lib/pysol_tests/test_version_flag.py
@@ -0,0 +1,22 @@
+# -*- coding: utf-8 -*-
+# vim:fenc=utf-8
+#
+# Copyright © 2022 Shlomi Fish <shlomif@cpan.org>
+#
+# Written by Shlomi Fish, under the MIT Expat License.
+
+import os
+import re
+import subprocess
+import unittest
+
+
+class CliFlagsTests(unittest.TestCase):
+    def test_main(self):
+        if os.name == 'nt':
+            self.assertTrue(True)
+            return
+        o = subprocess.check_output(["./pysol.py", "--version", ])
+        assert o
+        string = o.decode('utf-8')
+        self.assertTrue(re.match("\\APySol FC version [0-9]+\\.", string))