Do not exclude files that given as arguments

If a file or folder is given as an argument to the linter, it will
be treated as explicit and exclude rules will not apply to it.

This will allow linting of files outside current project too.

Fixes: #2628

examples/playbooks/deep/empty.yml

@@ -0,0 +1,4 @@
+---
+- name: some playbook with incorrect name # <- should raise name[casing]
+  hosts: localhost
+  tasks: []

src/ansiblelint/file_utils.py

@@ -197,6 +197,7 @@ def __init__(  # noqa: C901
         self.line_skips: dict[int, set[str]] = defaultdict(set)
         self.exc: Exception | None = None  # Stores data loading exceptions
         self.parent = parent
+        self.explicit = False  # Indicates if the file was explicitly provided or was indirectly included.
 
         if isinstance(name, str):
             name = Path(name)

src/ansiblelint/runner.py

@@ -63,10 +63,12 @@ def __init__(
         if exclude_paths is None:
             exclude_paths = []
 
-        # Assure consistent type
+        # Assure consistent type and configure given lintables as explicit (so
+        # excludes paths would not apply on them).
         for item in lintables:
             if not isinstance(item, Lintable):
                 item = Lintable(item)
+            item.explicit = True
             self.lintables.add(item)
 
         # Expand folders (roles) to their components
@@ -99,6 +101,11 @@ def is_excluded(self, lintable: Lintable) -> bool:
 
         # Exclusions should be evaluated only using absolute paths in order
         # to work correctly.
+
+        # Explicit lintables are never excluded
+        if lintable.explicit:
+            return False
+
         abs_path = str(lintable.abspath)
         if self.project_dir and not abs_path.startswith(self.project_dir):
             _logger.debug(
@@ -251,7 +258,7 @@ def worker(lintable: Lintable) -> list[MatchError]:
         # remove any matches made inside excluded files
         matches = list(
             filter(
-                lambda match: not self.is_excluded(Lintable(match.filename))
+                lambda match: not self.is_excluded(match.lintable)
                 and hasattr(match, "lintable")
                 and match.tag not in match.lintable.line_skips[match.lineno],
                 matches,

src/ansiblelint/schemas/__store__.json

@@ -1,6 +1,6 @@
 {
   "ansible-lint-config": {
-    "etag": "0c180fc60da7bfbbf70d0ffa6dd4871aefce5e6f987f9c8073cb203dacd991b2",
+    "etag": "b5caa5405047dad89bb9fb419a17d8a67750f3a7ecdbabe16e0eb1897d316c5a",
     "url": "https://raw.githubusercontent.com/ansible/ansible-lint/main/src/ansiblelint/schemas/ansible-lint-config.json"
   },
   "ansible-navigator-config": {

test/test_runner.py

@@ -48,7 +48,7 @@
         pytest.param(
             LOTS_OF_WARNINGS_PLAYBOOK,
             [LOTS_OF_WARNINGS_PLAYBOOK],
-            0,
+            992,
             id="lots_of_warnings",
         ),
         pytest.param(Path("examples/playbooks/become.yml"), [], 0, id="become"),
@@ -77,9 +77,9 @@ def test_runner(
 def test_runner_exclude_paths(default_rules_collection: RulesCollection) -> None:
     """Test that exclude paths do work."""
     runner = Runner(
-        "examples/playbooks/example.yml",
+        "examples/playbooks/deep/",
         rules=default_rules_collection,
-        exclude_paths=["examples/"],
+        exclude_paths=["examples/playbooks/deep/empty.yml"],
     )
 
     matches = runner.run()
@@ -190,3 +190,21 @@ def test_runner_not_found(default_rules_collection: RulesCollection) -> None:
     assert len(runner.checked_files) == 1
     assert len(result) == 1
     assert result[0].tag == "load-failure[not-found]"
+
+
+def test_runner_tmp_file(
+    tmp_path: Path,
+    default_rules_collection: RulesCollection,
+) -> None:
+    """Ensure we do not ignore an explicit temporary file from linting."""
+    # https://github.com/ansible/ansible-lint/issues/2628
+    filename = tmp_path / "playbook.yml"
+    filename.write_text("---\n")
+    runner = Runner(
+        filename,
+        rules=default_rules_collection,
+        verbosity=0,
+    )
+    result = runner.run()
+    assert len(result) == 1
+    assert result[0].tag == "syntax-check[empty-playbook]"