feat: add a bunch of safety logic to generate-demo-project.py to avoid something bad happening with shutil rmtree on accident

Author: 56kyle

scripts/generate-demo-project.py

@@ -19,7 +19,7 @@
 def generate_demo_project(repo_folder: Path, demos_cache_folder: Path, demo_name: str) -> Path:
     """Generates a demo project and returns its root path."""
     demos_cache_folder.mkdir(exist_ok=True)
-    shutil.rmtree(path=demos_cache_folder / demo_name)
+    _remove_existing_demo(demo_path=demos_cache_folder / demo_name)
     cookiecutter(
         template=str(repo_folder),
         no_input=True,
@@ -30,6 +30,23 @@ def generate_demo_project(repo_folder: Path, demos_cache_folder: Path, demo_name
     return demos_cache_folder / demo_name
 
 
+def _remove_existing_demo(demo_path: Path) -> None:
+    """Removes the existing demo if present."""
+    if demo_path.exists() and demo_path.is_dir():
+        previous_demo_pyproject: Path = Path(demo_path, "pyproject.toml")
+        if not previous_demo_pyproject.exists():
+            typer.secho(f"No pyproject.toml found at {previous_demo_pyproject=}.", fg="red")
+            typer.confirm(
+                "This folder may not be a demo, are you sure you would like to continue?",
+                default=False,
+                abort=True,
+                show_default=True
+            )
+
+        typer.secho(f"Removing existing demo project at {demo_path=}.", fg="yellow")
+        shutil.rmtree(demo_path)
+
+
 cli: typer.Typer = typer.Typer()