From 2fe34b6444502079dc0b84365ce82dbc92de308e Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sat, 13 Apr 2024 14:06:49 +0200
Subject: Adding upstream version 6.17.2.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/ansiblelint/rules/avoid_implicit.py | 61 +++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 src/ansiblelint/rules/avoid_implicit.py

(limited to 'src/ansiblelint/rules/avoid_implicit.py')

diff --git a/src/ansiblelint/rules/avoid_implicit.py b/src/ansiblelint/rules/avoid_implicit.py
new file mode 100644
index 0000000..8d1fe26
--- /dev/null
+++ b/src/ansiblelint/rules/avoid_implicit.py
@@ -0,0 +1,61 @@
+"""Implementation of avoid-implicit rule."""
+# https://github.com/ansible/ansible-lint/issues/2501
+from __future__ import annotations
+
+import sys
+from typing import TYPE_CHECKING
+
+from ansiblelint.rules import AnsibleLintRule
+
+if TYPE_CHECKING:
+    from ansiblelint.file_utils import Lintable
+    from ansiblelint.utils import Task
+
+
+class AvoidImplicitRule(AnsibleLintRule):
+    """Rule that identifies use of undocumented or discouraged implicit behaviors."""
+
+    id = "avoid-implicit"
+    shortdesc = "Avoid implicit behaviors"
+    description = (
+        "Items which are templated should use ``template`` instead of "
+        "``copy`` with ``content`` to ensure correctness."
+    )
+    severity = "MEDIUM"
+    tags = ["unpredictability"]
+    version_added = "v6.8.0"
+
+    def matchtask(
+        self,
+        task: Task,
+        file: Lintable | None = None,
+    ) -> bool | str:
+        """Confirm if current rule is matching a specific task."""
+        if task["action"]["__ansible_module__"] == "copy":
+            content = task["action"].get("content", "")
+            if not isinstance(content, str):
+                return True
+        return False
+
+
+# testing code to be loaded only with pytest or when executed the rule file
+if "pytest" in sys.modules:
+    from ansiblelint.rules import RulesCollection  # pylint: disable=ungrouped-imports
+    from ansiblelint.runner import Runner  # pylint: disable=ungrouped-imports
+
+    def test_template_instead_of_copy_positive() -> None:
+        """Positive test for avoid-implicit."""
+        collection = RulesCollection()
+        collection.register(AvoidImplicitRule())
+        success = "examples/playbooks/rule-avoid-implicit-pass.yml"
+        good_runner = Runner(success, rules=collection)
+        assert [] == good_runner.run()
+
+    def test_template_instead_of_copy_negative() -> None:
+        """Negative test for avoid-implicit."""
+        collection = RulesCollection()
+        collection.register(AvoidImplicitRule())
+        failure = "examples/playbooks/rule-avoid-implicit-fail.yml"
+        bad_runner = Runner(failure, rules=collection)
+        errs = bad_runner.run()
+        assert len(errs) == 1
-- 
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