Change: Loosen the version regex for go projects

Verifying the version information should not be done via a regexp. If
the version information is valid depends on the versioning schema which
might by dynamic in the future. Therefore just parse the version string.

pontos/version/go.py

@@ -23,7 +23,7 @@
 from .helper import get_last_release_version
 from .version import Version, VersionCommand, VersionUpdate, parse_version
 
-VERSION_MATCH = r'var [Vv]ersion = "([abcderv0-9.+]+)"'
+VERSION_MATCH = r'var [Vv]ersion = "(.+)"'
 TEMPLATE = """package main
 
 // THIS IS AN AUTOGENERATED FILE. DO NOT TOUCH!

tests/version/test_go_version.py

@@ -86,6 +86,17 @@ def test_no_version_file(self):
         ):
             GoVersionCommand().get_current_version()
 
+    def test_invalid_version(self):
+        with temp_file(
+            name="go.mod",
+            change_into=True,
+        ), self.assertRaisesRegex(VersionError, "^Invalid version: 'abc'"):
+            version_file_path = Path(VERSION_FILE_PATH)
+            version_file_path.write_text(
+                TEMPLATE.format("main", "abc"), encoding="utf-8"
+            )
+            GoVersionCommand().get_current_version()
+
 
 class VerifyGoVersionCommandTestCase(unittest.TestCase):
     def test_verify_version(self):