make get_git_commit_number work under systemd

bot.py

@@ -1,4 +1,5 @@
 import traceback
+import os
 
 from aiogram import Bot, Dispatcher
 from aiogram.client.default import DefaultBotProperties
@@ -21,23 +22,43 @@ dp = Dispatcher(bot=bot, storage=storage)
 
 def get_git_commit_number() -> str:
     repo_url = "https://github.com/Vladless/Solo_bot"
+    cwd = os.path.abspath(os.path.dirname(__file__))
+
+    if not os.path.isdir(os.path.join(cwd, ".git")):
+        cwd = "/root/Prod/Solo_bot"
+
+    env = os.environ.copy()
+    env["GIT_DIR"] = os.path.join(cwd, ".git")
+    env["GIT_WORK_TREE"] = cwd
 
     try:
         local_number = subprocess.check_output(
-            ["git", "rev-list", "--count", "HEAD"]
+            ["git", "rev-list", "--count", "HEAD"],
+            cwd=cwd,
+            env=env
         ).decode().strip()
 
         local_hash = subprocess.check_output(
-            ["git", "rev-parse", "HEAD"]
+            ["git", "rev-parse", "HEAD"],
+            cwd=cwd,
+            env=env
         ).decode().strip()
 
         try:
             branch = subprocess.check_output(
-                ["git", "rev-parse", "--abbrev-ref", "HEAD"]
+                ["git", "rev-parse", "--abbrev-ref", "HEAD"],
+                cwd=cwd,
+                env=env
             ).decode().strip()
 
             if branch == "HEAD":
-                describe = subprocess.check_output(["git", "describe", "--tags", "--exact-match"], stderr=subprocess.DEVNULL).decode().strip()
+                describe = subprocess.check_output(
+                    ["git", "describe", "--tags", "--exact-match"],
+                    cwd=cwd,
+                    env=env,
+                    stderr=subprocess.DEVNULL
+                ).decode().strip()
+
                 if describe.startswith("v") or "release" in describe.lower():
                     branch = "main"
                 else:
@@ -45,17 +66,21 @@ def get_git_commit_number() -> str:
         except Exception:
             branch = "dev"
 
-    except Exception:
-        return "\n(Требуется обновление через CLI)"
+    except Exception as e:
+        return f"\n(Требуется обновление через CLI: {e})"
 
     try:
         remote_commit = subprocess.check_output(
-            ["git", "ls-remote", "origin", f"refs/heads/{branch}"]
+            ["git", "ls-remote", "origin", f"refs/heads/{branch}"],
+            cwd=cwd,
+            env=env
         ).decode()
         remote_hash = remote_commit.split()[0]
 
         remote_number = subprocess.check_output(
-            ["git", "rev-list", "--count", remote_hash]
+            ["git", "rev-list", "--count", remote_hash],
+            cwd=cwd,
+            env=env
         ).decode().strip()
 
         if local_hash == remote_hash:
@@ -68,10 +93,7 @@ def get_git_commit_number() -> str:
         )
 
     except Exception:
-        return (
-            f"\n(commit <a href=\"{repo_url}/commit/{local_hash}\">"
-            f"#{local_number}</a> / actual commit unknown)"
-        )
+        return ""
 
 
 version = f"v4.4-b140642{get_git_commit_number()}"
@@ -181,4 +203,4 @@ async def errors_handler(event: ErrorEvent, bot: Bot) -> bool:
     except Exception as exception:
         logger.error(f"Неожиданная ошибка в error handler: {exception}")
 
-    return True
+    return True