Temporary avoid auto-fixing YAML files not owned by ansible

.github/workflows/tox.yml

@@ -70,7 +70,7 @@ jobs:
     env:
       # Number of expected test passes, safety measure for accidental skip of
       # tests. Update value if you add/remove tests.
-      PYTEST_REQPASS: 831
+      PYTEST_REQPASS: 832
     steps:
       - uses: actions/checkout@v4
         with:

examples/.github/workflows/sample.yml

@@ -0,0 +1,9 @@
+---
+name: ack
+on: # <-- ansible-lint should not complain or touch about this 'on'
+  pull_request_target:
+    types: [opened]
+
+jobs:
+  ack:
+    uses: ansible/devtools/.github/workflows/ack.yml@main

src/ansiblelint/config.py

@@ -98,6 +98,21 @@
     {"text/python": "**/*.py"},
 ]
 
+# File kinds that are recognized by ansible, used internally to force use of
+# YAML 1.1 instead of 1.2 due to ansible-core dependency on pyyaml.
+ANSIBLE_OWNED_KINDS = {
+    "handlers",
+    "galaxy",
+    "meta",
+    "meta-runtime",
+    "playbook",
+    "requirements",
+    "role-arg-spec",
+    "rulebook",
+    "tasks",
+    "vars",
+}
+
 PROFILES = yaml_from_file(Path(__file__).parent / "data" / "profiles.yml")
 
 LOOP_VAR_PREFIX = "^(__|{role}_)"

src/ansiblelint/file_utils.py

@@ -16,7 +16,7 @@
 import wcmatch.wcmatch
 from yaml.error import YAMLError
 
-from ansiblelint.config import BASE_KINDS, Options, options
+from ansiblelint.config import ANSIBLE_OWNED_KINDS, BASE_KINDS, Options, options
 from ansiblelint.constants import CONFIG_FILENAMES, FileType, States
 
 if TYPE_CHECKING:
@@ -386,6 +386,10 @@ def __repr__(self) -> str:
         """Return user friendly representation of a lintable."""
         return f"{self.name} ({self.kind})"
 
+    def is_owned_by_ansible(self) -> bool:
+        """Return true for YAML files that are managed by Ansible."""
+        return self.kind in ANSIBLE_OWNED_KINDS
+
     @property
     def data(self) -> Any:
         """Return loaded data representation for current file, if possible."""

src/ansiblelint/transformer.py

@@ -108,6 +108,9 @@ def run(self) -> None:
             if self.write_set != {"none"}:
                 self._do_transforms(file, ruamel_data or data, file_is_yaml, matches)
 
+            if not file.is_owned_by_ansible():
+                return
+
             if file_is_yaml:
                 # noinspection PyUnboundLocalVariable
                 file.content = yaml.dumps(ruamel_data)

test/test_transformer.py

@@ -11,6 +11,7 @@
 
 import ansiblelint.__main__ as main
 from ansiblelint.app import App
+from ansiblelint.file_utils import Lintable
 
 # noinspection PyProtectedMember
 from ansiblelint.runner import LintResult, get_matches
@@ -34,119 +35,150 @@ def fixture_runner_result(
 
 
 @pytest.mark.parametrize(
-    ("playbook_str", "matches_count", "transformed"),
+    ("playbook_str", "matches_count", "transformed", "is_owned_by_ansible"),
     (
         # reuse TestRunner::test_runner test cases to ensure transformer does not mangle matches
         pytest.param(
             "examples/playbooks/nomatchestest.yml",
             0,
             False,
+            True,
             id="nomatchestest",
         ),
-        pytest.param("examples/playbooks/unicode.yml", 1, False, id="unicode"),
+        pytest.param("examples/playbooks/unicode.yml", 1, False, True, id="unicode"),
         pytest.param(
             "examples/playbooks/lots_of_warnings.yml",
             993,
             False,
+            True,
             id="lots_of_warnings",
         ),
-        pytest.param("examples/playbooks/become.yml", 0, False, id="become"),
+        pytest.param("examples/playbooks/become.yml", 0, False, True, id="become"),
         pytest.param(
             "examples/playbooks/contains_secrets.yml",
             0,
             False,
+            True,
             id="contains_secrets",
         ),
         pytest.param(
             "examples/playbooks/vars/empty_vars.yml",
             0,
             False,
+            True,
             id="empty_vars",
         ),
-        pytest.param("examples/playbooks/vars/strings.yml", 0, True, id="strings"),
-        pytest.param("examples/playbooks/vars/empty.yml", 1, False, id="empty"),
-        pytest.param("examples/playbooks/name-case.yml", 1, True, id="name_case"),
-        pytest.param("examples/playbooks/fqcn.yml", 3, True, id="fqcn"),
+        pytest.param(
+            "examples/playbooks/vars/strings.yml",
+            0,
+            True,
+            True,
+            id="strings",
+        ),
+        pytest.param("examples/playbooks/vars/empty.yml", 1, False, True, id="empty"),
+        pytest.param("examples/playbooks/name-case.yml", 1, True, True, id="name_case"),
+        pytest.param("examples/playbooks/fqcn.yml", 3, True, True, id="fqcn"),
         pytest.param(
             "examples/playbooks/multi_yaml_doc.yml",
             1,
             False,
+            True,
             id="multi_yaml_doc",
         ),
         pytest.param(
             "examples/playbooks/transform_command_instead_of_shell.yml",
             3,
             True,
+            True,
             id="cmd_instead_of_shell",
         ),
         pytest.param(
             "examples/playbooks/transform-deprecated-local-action.yml",
             1,
             True,
+            True,
             id="dep_local_action",
         ),
         pytest.param(
             "examples/playbooks/transform-block-indentation-indicator.yml",
             0,
             True,
+            True,
             id="multiline_msg_with_indent_indicator",
         ),
         pytest.param(
             "examples/playbooks/transform-jinja.yml",
             7,
             True,
+            True,
             id="jinja_spacing",
         ),
         pytest.param(
             "examples/playbooks/transform-no-jinja-when.yml",
             3,
             True,
+            True,
             id="no_jinja_when",
         ),
         pytest.param(
             "examples/playbooks/vars/transform_nested_data.yml",
             3,
             True,
+            True,
             id="nested",
         ),
         pytest.param(
             "examples/playbooks/transform-key-order.yml",
             6,
             True,
+            True,
             id="key_order_transform",
         ),
         pytest.param(
             "examples/playbooks/transform-no-free-form.yml",
             2,
             True,
+            True,
             id="no_free_form_transform",
         ),
         pytest.param(
             "examples/playbooks/transform-partial-become.yml",
             4,
             True,
+            True,
             id="partial_become",
         ),
         pytest.param(
             "examples/playbooks/transform-key-order-play.yml",
             1,
             True,
+            True,
             id="key_order_play_transform",
         ),
+        pytest.param(
+            "examples/.github/workflows/sample.yml",
+            0,
+            False,
+            False,
+            id="github-workflow",
+        ),
     ),
 )
 @mock.patch.dict(os.environ, {"ANSIBLE_LINT_WRITE_TMP": "1"}, clear=True)
-def test_transformer(
+def test_transformer(  # pylint: disable=too-many-arguments
     config_options: Options,
     playbook_str: str,
     runner_result: LintResult,
     transformed: bool,
+    is_owned_by_ansible: bool,
     matches_count: int,
 ) -> None:
     """Test that transformer can go through any corner cases.
 
     Based on TestRunner::test_runner
     """
+    # test ability to detect is_owned_by_ansible
+    assert Lintable(playbook_str).is_owned_by_ansible() == is_owned_by_ansible
     playbook = Path(playbook_str)
     config_options.write_list = ["all"]
     transformer = Transformer(result=runner_result, options=config_options)