Avoid reformatting hexadecimal integers (#4145)

.github/release-drafter.yml

@@ -1,3 +1,3 @@
 ---
-# see https://github.com/ansible/devtools
-_extends: ansible/devtools
+# see https://github.com/ansible/team-devtools
+_extends: ansible/team-devtools

.github/workflows/tox.yml

@@ -73,7 +73,7 @@ jobs:
     env:
       # Number of expected test passes, safety measure for accidental skip of
       # tests. Update value if you add/remove tests.
-      PYTEST_REQPASS: 859
+      PYTEST_REQPASS: 860
     steps:
       - uses: actions/checkout@v4
         with:

src/ansiblelint/yaml_utils.py

@@ -24,7 +24,7 @@
 # To make the type checkers happy, we import from ruamel.yaml.main instead.
 from ruamel.yaml.main import YAML
 from ruamel.yaml.parser import ParserError
-from ruamel.yaml.scalarint import ScalarInt
+from ruamel.yaml.scalarint import HexInt, ScalarInt
 from yamllint.config import YamlLintConfig
 
 from ansiblelint.constants import (
@@ -541,7 +541,9 @@ def construct_yaml_int(self, node: ScalarNode) -> Any:
             value_s = value_su.replace("_", "")
             if value_s[0] in "+-":
                 value_s = value_s[1:]
-            if value_s[0] == "0":
+            if value_s[0:2] == "0x":
+                ret = HexInt(ret, width=len(value_s) - 2)
+            elif value_s[0] == "0":
                 # got an octal in YAML 1.1
                 ret = OctalIntYAML11(
                     ret,
@@ -630,6 +632,9 @@ def choose_scalar_style(self) -> Any:
             and len(self.event.value) > 1
         ):
             if self.event.tag == "tag:yaml.org,2002:int" and self.event.implicit[0]:
+                if self.event.value.startswith("0x"):
+                    self.event.tag = "tag:yaml.org,2002:str"
+                    return ""
                 # ensures that "0123" string does not lose its quoting
                 self.event.tag = "tag:yaml.org,2002:str"
                 self.event.implicit = (True, True, True)

test/fixtures/formatting-after/fmt-hex.yml

@@ -0,0 +1,3 @@
+---
+d: 0x123 # <-- hex
+e: 0x0123

test/fixtures/formatting-before/fmt-hex.yml

@@ -0,0 +1,3 @@
+---
+d: 0x123  # <-- hex
+e: 0x0123

test/fixtures/formatting-prettier/fmt-hex.yml

@@ -0,0 +1,3 @@
+---
+d: 0x123 # <-- hex
+e: 0x0123

test/test_yaml_utils.py

@@ -262,6 +262,7 @@ def test_fmt(before: str, after: str, version: tuple[int, int] | None) -> None:
         pytest.param("fmt-3.yml", (1, 1), id="3"),
         pytest.param("fmt-4.yml", (1, 1), id="4"),
         pytest.param("fmt-5.yml", (1, 1), id="5"),
+        pytest.param("fmt-hex.yml", (1, 1), id="hex"),
     ),
 )
 def test_formatted_yaml_loader_dumper(