Fix version hash: use Path(__file__).parent as cwd, add fallback, remove unused hashlib import

news_mcp/mcp_server_fastmcp.py

@@ -1,7 +1,6 @@
 from __future__ import annotations
 
 import asyncio
-import hashlib
 import logging
 import subprocess
 
@@ -11,6 +10,7 @@ import time
 from collections import Counter
 from datetime import datetime, timezone
 from email.utils import parsedate_to_datetime
+from pathlib import Path
 
 from fastapi import FastAPI, Form
 from mcp.server.fastmcp import FastMCP
@@ -44,14 +44,19 @@ logging.basicConfig(
 
 _PROCESS_STARTED_AT = time.monotonic()
 
-_VERSION_HASH = (
-    subprocess.check_output(
-        ["git", "rev-parse", "--short=9", "HEAD"],
-        cwd=__file__,
+_REPO_ROOT = Path(__file__).resolve().parent
+try:
+    _VERSION_HASH = (
+        subprocess.check_output(
+            ["git", "rev-parse", "--short=9", "HEAD"],
+            cwd=str(_REPO_ROOT),
+            stderr=subprocess.DEVNULL,
+        )
+        .decode()
+        .strip()
     )
-    .decode()
-    .strip()
-)
+except Exception:
+    _VERSION_HASH = "unknown"
 
 mcp = FastMCP(
     "news-mcp",