version: degrade quietly if git_info() causes OSError

Co-authored-by: Florian Strzelecki <[email protected]>

sopel/builtins/version.py

@@ -9,12 +9,16 @@
 from __future__ import annotations
 
 import datetime
+import logging
 import os
 import platform
 
 from sopel import __version__ as release, plugin
 
 
+logger = logging.getLogger(__name__)
+
+
 PROJECT_DIR = os.path.dirname(os.path.dirname(os.path.dirname(__file__)))
 GIT_DIR = os.path.join(PROJECT_DIR, '.git')
 
@@ -102,7 +106,12 @@ def version(bot, trigger):
         'Sopel v%s' % release,
         'Python: %s' % platform.python_version()
     ]
-    sha = git_info()
+    try:
+        sha = git_info()
+    except OSError:
+        logger.warning("Failed to retrieve git commit hash", exc_info=True)
+        sha = None
+
     if sha:
         parts.append('Commit: %s' % sha)