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.

(cherry picked from commit 0c7dcb65cf)

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