fix(check_updates): executing DRY_RUN branch when set to non-empty string

Author: IMXEren

src/manager/github.py

@@ -1,7 +1,6 @@
 """Github Manager."""
 
 import json
-import os
 import urllib.request
 from pathlib import Path
 from typing import Self
@@ -22,10 +21,11 @@ def __init__(self: Self, env: Env) -> None:
             branch_name=branch_name,
             updates_file=updates_file,
         )
+        self.is_dry_run = env.bool("DRY_RUN", False)
 
     def get_last_version(self: Self, app: APP, resource_name: str) -> str | list[str]:
         """Get last patched version."""
-        if os.getenv("DRY_RUN", default=None):
+        if self.is_dry_run:
             with Path(updates_file).open() as url:
                 data = json.load(url)
         else:
@@ -39,7 +39,7 @@ def get_last_version(self: Self, app: APP, resource_name: str) -> str | list[str
 
     def get_last_version_source(self: Self, app: APP, resource_name: str) -> str | list[str]:
         """Get last patched version."""
-        if os.getenv("DRY_RUN", default=None):
+        if self.is_dry_run:
             with Path(updates_file).open() as url:
                 data = json.load(url)
         else: