warn when overwriting file at installation (#8386)

src/poetry/installation/wheel_installer.py

@@ -1,5 +1,6 @@
 from __future__ import annotations
 
+import logging
 import platform
 import sys
 
@@ -15,6 +16,8 @@
 from poetry.utils._compat import WINDOWS
 
 
+logger = logging.getLogger(__name__)
+
 if TYPE_CHECKING:
     from collections.abc import Collection
     from typing import BinaryIO
@@ -45,7 +48,7 @@ def write_to_fs(
         if target_path.exists():
             # Contrary to the base library we don't raise an error here since it can
             # break pkgutil-style and pkg_resource-style namespace packages.
-            pass
+            logger.warning(f"Installing {target_path} over existing file")
 
         parent_folder = target_path.parent
         if not parent_folder.exists():