Respect ignore configuration options when --recursive=y.

ChangeLog

@@ -317,6 +317,11 @@ What's New in Pylint 2.13.9?
 ============================
 Release date: TBA
 
+
+* Respect ignore configuration options when --recursive=y.
+
+  Closes #6471
+
 * Fix ``IndexError`` crash in ``uninferable_final_decorators`` method.
 
  Relates to #6531

pylint/lint/pylinter.py

@@ -697,8 +697,7 @@ def initialize(self) -> None:
             if not msg.may_be_emitted():
                 self._msgs_state[msg.msgid] = False
 
-    @staticmethod
-    def _discover_files(files_or_modules: Sequence[str]) -> Iterator[str]:
+    def _discover_files(self, files_or_modules: Sequence[str]) -> Iterator[str]:
         """Discover python modules and packages in sub-directory.
 
         Returns iterator of paths to discovered modules and packages.
@@ -707,11 +706,27 @@ def _discover_files(files_or_modules: Sequence[str]) -> Iterator[str]:
             if os.path.isdir(something) and not os.path.isfile(
                 os.path.join(something, "__init__.py")
             ):
+
                 skip_subtrees: list[str] = []
                 for root, _, files in os.walk(something):
                     if any(root.startswith(s) for s in skip_subtrees):
                         # Skip subtree of already discovered package.
                         continue
+                    if any(
+                        pattern.match(os.path.basename(root))
+                        for pattern in self.config.ignore_patterns
+                    ):
+                        # Skip if matches ignore-patterns list
+                        skip_subtrees.append(root)
+                        continue
+                    if any(pattern.match(root) for pattern in self.config.ignore_paths):
+                        # Skip if matches ignore-paths list
+                        skip_subtrees.append(root)
+                        continue
+                    if os.path.basename(root) in self.config.ignore:
+                        # Skip if in ignore list
+                        skip_subtrees.append(root)
+                        continue
                     if "__init__.py" in files:
                         skip_subtrees.append(root)
                         yield root

tests/regrtest_data/directory/ignored_subdirectory/failing.py

@@ -0,0 +1 @@
+import re

tests/test_self.py

@@ -1239,6 +1239,63 @@ def test_recursive(self):
             code=0,
         )
 
+    def test_ignore_recursive(self):
+        self._runtest(
+            [
+                join(HERE, "regrtest_data", "directory"),
+                "--recursive=y",
+                "--ignore=ignored_subdirectory",
+            ],
+            code=0,
+        )
+
+        self._runtest(
+            [
+                join(HERE, "regrtest_data", "directory"),
+                "--recursive=y",
+                "--ignore=failing.py",
+            ],
+            code=0,
+        )
+
+    def test_ignore_pattern_recursive(self):
+        self._runtest(
+            [
+                join(HERE, "regrtest_data", "directory"),
+                "--recursive=y",
+                "--ignore-pattern=ignored_.*",
+            ],
+            code=0,
+        )
+
+        self._runtest(
+            [
+                join(HERE, "regrtest_data", "directory"),
+                "--recursive=y",
+                "--ignore-pattern=failing.*",
+            ],
+            code=0,
+        )
+
+    def test_ignore_path_recursive(self):
+        self._runtest(
+            [
+                join(HERE, "regrtest_data", "directory"),
+                "--recursive=y",
+                "--ignore-path=.*ignored.*",
+            ],
+            code=0,
+        )
+
+        self._runtest(
+            [
+                join(HERE, "regrtest_data", "directory"),
+                "--recursive=y",
+                "--ignore-path=.*failing.*",
+            ],
+            code=0,
+        )
+
     def test_recursive_current_dir(self):
         with _test_sys_path():
             # pytest is including directory HERE/regrtest_data to sys.path which causes
@@ -1249,7 +1306,7 @@ def test_recursive_current_dir(self):
                 if not os.path.basename(path) == "regrtest_data"
             ]
             with _test_cwd():
-                os.chdir(join(HERE, "regrtest_data", "directory"))
+                os.chdir(join(HERE, "regrtest_data", "directory", "subdirectory"))
                 self._runtest(
                     [".", "--recursive=y"],
                     code=0,