Fix.

src/pytask_stata/collect.py

@@ -35,7 +35,7 @@ def run_stata_script(
     _cwd: Path,
 ) -> None:
     """Run an R script."""
-    cmd = [_executable, "-e", "do", _script.as_posix(), *_options, _log_name]
+    cmd = [_executable, "-e", "do", _script.as_posix(), *_options, f"-{_log_name}"]
     print("Executing " + " ".join(cmd) + ".")  # noqa: T201
     subprocess.run(cmd, cwd=_cwd, check=True)  # noqa: S603
 
@@ -165,17 +165,16 @@ def pytask_collect_task(
         # Add log_name node that depends on the task id.
         if session.config["platform"] == "win32":
             log_name = convert_task_id_to_name_of_log_file(task)
-            log_name_arg = f"-{log_name}"
         else:
-            log_name_arg = ""
+            log_name = ""
 
         log_name_node = session.hook.pytask_collect_node(
             session=session,
             path=path_nodes,
             node_info=NodeInfo(
                 arg_name="_log_name",
                 path=(),
-                value=PythonNode(value=log_name_arg),
+                value=PythonNode(value=log_name),
                 task_path=path,
                 task_name=name,
             ),

src/pytask_stata/execute.py

@@ -40,7 +40,7 @@ def pytask_execute_task_teardown(session: Session, task: PTask) -> None:
     """
     if has_mark(task, "stata"):
         if session.config["platform"] == "win32":
-            log_name = task.depends_on["_log_name"]
+            log_name = task.depends_on["_log_name"].load()
             if isinstance(task, PTaskWithPath):
                 path_to_log = task.path.with_name(log_name).with_suffix(".log")
             else:

tests/test_execute.py

@@ -225,6 +225,6 @@ def test_with_task_without_path(runner, tmp_path):
     assert tmp_path.joinpath("auto.dta").exists()
 
     if sys.platform == "win32":
-        assert tmp_path.joinpath("lambda.log").exists()
+        assert tmp_path.joinpath("task_example_py_lambda.log").exists()
     else:
-        assert tmp_path.joinpath("lambda.log").exists()
+        assert not tmp_path.joinpath("task_example_py_lambda.log").exists()