Add basedir to ansible_search_path before running loops. Fixes #43302 (#43431)

lib/ansible/executor/task_executor.py

@@ -202,6 +202,10 @@ class TaskExecutor:
         # get search path for this task to pass to lookup plugins
         self._job_vars['ansible_search_path'] = self._task.get_search_path()
 
+        # ensure basedir is always in (dwim already searches here but we need to display it)
+        if self._loader.get_basedir() not in self._job_vars['ansible_search_path']:
+            self._job_vars['ansible_search_path'].append(self._loader.get_basedir())
+
         templar = Templar(loader=self._loader, shared_loader_obj=self._shared_loader_obj, variables=self._job_vars)
         items = None
         if self._task.loop_with:
@@ -253,10 +257,6 @@ class TaskExecutor:
                 if item is not None and not isinstance(item, UnsafeProxy):
                     items[idx] = UnsafeProxy(item)
 
-        # ensure basedir is always in (dwim already searches here but we need to display it)
-        if self._loader.get_basedir() not in self._job_vars['ansible_search_path']:
-            self._job_vars['ansible_search_path'].append(self._loader.get_basedir())
-
         return items
 
     def _run_loop(self, items):

test/integration/targets/loops/tasks/main.yml

@@ -223,3 +223,13 @@
 - assert:
     that:
       - with_list_passed_a_dict is failed
+
+- debug:
+    var: "item"
+  loop:
+    - "{{ ansible_search_path }}"
+  register: loop_search_path
+
+- assert:
+    that:
+      - ansible_search_path == loop_search_path.results.0.item