Don't copy the replay file if it already exists

When updating projects, we might end up copying a previous replay file,
as it won't be generated again when using `--replay`.

Signed-off-by: Leandro Lucarella <[email protected]>

Author: llucax

cookiecutter/hooks/post_gen_project.py

@@ -116,6 +116,11 @@ def copy_replay_file() -> None:
     """Copy the replay file to the project root."""
     src = _pathlib.Path("~/.cookiecutter_replay/cookiecutter.json").expanduser()
     dst = _pathlib.Path(".cookiecutter-replay.json")
+
+    if dst.exists():
+        print(f"Replay file {dst} already exists. Skipping...")
+        return
+
     if not src.exists():
         print(f"WARNING: No replay file found in {src}. Skipping...")