fix: Make sure to delete local temporary clones

copier/main.py

@@ -28,7 +28,7 @@
 from .errors import CopierAnswersInterrupt, ExtensionNotFoundError, UserMessageError
 from .subproject import Subproject
 from .template import Task, Template
-from .tools import Style, TemporaryDirectory, printf
+from .tools import Style, TemporaryDirectory, printf, handle_remove_readonly
 from .types import (
     AnyByStrDict,
     JSONSerializable,
@@ -147,6 +147,20 @@ class Worker:
     pretend: bool = False
     quiet: bool = False
 
+    def __enter__(self):
+        return self
+
+    def __exit__(self, type, value, traceback):
+        self._cleanup()
+
+    def _cleanup(self) -> None:
+        if self.template.is_temp_clone:
+            rmtree(
+                self.template.local_abspath,
+                ignore_errors=False,
+                onerror=handle_remove_readonly,
+            )
+
     def _answers_to_remember(self) -> Mapping:
         """Get only answers that will be remembered in the copier answers file."""
         # All internal values must appear first
@@ -754,8 +768,8 @@ def run_copy(
     """
     if data is not None:
         kwargs["data"] = data
-    worker = Worker(src_path=src_path, dst_path=Path(dst_path), **kwargs)
-    worker.run_copy()
+    with Worker(src_path=src_path, dst_path=Path(dst_path), **kwargs) as worker:
+        worker.run_copy()
     return worker
 
 
@@ -772,8 +786,8 @@ def run_update(
     """
     if data is not None:
         kwargs["data"] = data
-    worker = Worker(dst_path=Path(dst_path), **kwargs)
-    worker.run_update()
+    with Worker(dst_path=Path(dst_path), **kwargs) as worker:
+        worker.run_update()
     return worker
 
 

copier/template.py

@@ -461,6 +461,10 @@ def local_abspath(self) -> Path:
             raise ValueError("Local template must be a directory.")
         return result.absolute()
 
+    @cached_property
+    def is_temp_clone(self) -> bool:
+        return self.local_abspath != Path(self.url).absolute()
+
     @cached_property
     def url_expanded(self) -> str:
         """Get usable URL.