fetch - return file in result when changed is true (#85729)

Set the (source) file attribute in the return value if the file changed
(e.g. on initial fetch). The attribute is already set in all other
cases.

changelogs/fragments/fix-fetch-return-file.yml

@@ -0,0 +1,2 @@
+bugfixes:
+  - fetch - also return ``file`` in the result when changed is ``True`` (https://github.com/ansible/ansible/pull/85729).

lib/ansible/plugins/action/fetch.py

@@ -192,7 +192,7 @@ class ActionModule(ActionBase):
                                        msg="checksum mismatch", file=source, dest=dest, remote_md5sum=None,
                                        checksum=new_checksum, remote_checksum=remote_checksum))
                 else:
-                    result.update({'changed': True, 'md5sum': new_md5, 'dest': dest,
+                    result.update({'changed': True, 'md5sum': new_md5, 'file': source, 'dest': dest,
                                    'remote_md5sum': None, 'checksum': new_checksum,
                                    'remote_checksum': remote_checksum})
             else:

test/integration/targets/fetch/roles/fetch_tests/tasks/normal.yml

@@ -30,8 +30,10 @@
     that:
       - fetched is changed
       - fetched.checksum == "a94a8fe5ccb19ba61c4c0873d391e987982fbbd3"
+      - fetched.file == remote_tmp_dir ~ "/orig"
       - fetched_again is not changed
       - fetched_again.checksum == "a94a8fe5ccb19ba61c4c0873d391e987982fbbd3"
+      - fetched_again.file == remote_tmp_dir ~ "/orig"
       - fetched.remote_checksum == "a94a8fe5ccb19ba61c4c0873d391e987982fbbd3"
       - lookup("file", output_dir + "/fetched/" + inventory_hostname + remote_tmp_dir + "/orig") == "test"
       - fetch_check_mode is skipped