[clang-tools-extra] [clang-tidy] Export fixes from check_clang_tidy.py (PR #88186)

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``````````bash
darker --check --diff -r 2950283dddab03c183c1be2d7de9d4999cc86131...596037423faeebf01759158b5a93a3e933978941 clang-tools-extra/test/clang-tidy/check_clang_tidy.py
``````````

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View the diff from darker here.
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``````````diff
--- check_clang_tidy.py	2024-04-09 20:07:52.000000 +0000
+++ check_clang_tidy.py	2024-04-09 20:17:24.042204 +0000
@@ -112,19 +112,18 @@
 
         self.clang_extra_args = []
         self.clang_tidy_extra_args = extra_args
         if "--" in extra_args:
             i = self.clang_tidy_extra_args.index("--")
-            self.clang_extra_args = self.clang_tidy_extra_args[i + 1:]
+            self.clang_extra_args = self.clang_tidy_extra_args[i + 1 :]
             self.clang_tidy_extra_args = self.clang_tidy_extra_args[:i]
 
         # If the test does not specify a config style, force an empty one; otherwise
         # auto-detection logic can discover a ".clang-tidy" file that is not related to
         # the test.
         if not any(
-            [re.match("^-?-config(-file)?=", arg)
-             for arg in self.clang_tidy_extra_args]
+            [re.match("^-?-config(-file)?=", arg) for arg in self.clang_tidy_extra_args]
         ):
             self.clang_tidy_extra_args.append("--config={}")
 
         if extension in [".m", ".mm"]:
             self.clang_extra_args = [
@@ -139,12 +138,11 @@
         # Tests should not rely on STL being available, and instead provide mock
         # implementations of relevant APIs.
         self.clang_extra_args.append("-nostdinc++")
 
         if self.resource_dir is not None:
-            self.clang_extra_args.append(
-                "-resource-dir=%s" % self.resource_dir)
+            self.clang_extra_args.append("-resource-dir=%s" % self.resource_dir)
 
     def read_input(self):
         with open(self.input_file_name, "r", encoding="utf-8") as input_file:
             self.input_text = input_file.read()
 
@@ -156,20 +154,17 @@
                     + ' but "%s" was given' % suffix
                 )
 
             file_check_suffix = ("-" + suffix) if suffix else ""
 
-            has_check_fix = self.fixes.check(
-                file_check_suffix, self.input_text)
+            has_check_fix = self.fixes.check(file_check_suffix, self.input_text)
             self.has_check_fixes = self.has_check_fixes or has_check_fix
 
-            has_check_message = self.messages.check(
-                file_check_suffix, self.input_text)
+            has_check_message = self.messages.check(file_check_suffix, self.input_text)
             self.has_check_messages = self.has_check_messages or has_check_message
 
-            has_check_note = self.notes.check(
-                file_check_suffix, self.input_text)
+            has_check_note = self.notes.check(file_check_suffix, self.input_text)
             self.has_check_notes = self.has_check_notes or has_check_note
 
             if has_check_note and has_check_message:
                 sys.exit(
                     "Please use either %s or %s but not both"
@@ -187,22 +182,22 @@
     def prepare_test_inputs(self):
         # Remove the contents of the CHECK lines to avoid CHECKs matching on
         # themselves.  We need to keep the comments to preserve line numbers while
         # avoiding empty lines which could potentially trigger formatting-related
         # checks.
-        cleaned_test = re.sub(
-            "// *CHECK-[A-Z0-9\\-]*:[^\r\n]*", "//", self.input_text)
+        cleaned_test = re.sub("// *CHECK-[A-Z0-9\\-]*:[^\r\n]*", "//", self.input_text)
         write_file(self.temp_file_name, cleaned_test)
         write_file(self.original_file_name, cleaned_test)
 
     def run_clang_tidy(self):
         args = (
             [
                 "clang-tidy",
                 self.temp_file_name,
-            ] + ["-fix" if self.export is None else "--export-fixes=" + self.export] +
-            [
+            ]
+            + ["-fix" if self.export is None else "--export-fixes=" + self.export]
+            + [
                 "--checks=-*," + self.check_name,
             ]
             + self.clang_tidy_extra_args
             + ["--"]
             + self.clang_extra_args
@@ -328,12 +323,16 @@
         default=None,
         type=str,
         metavar="file",
         help="A file to export fixes into instead of fixing.",
     )
-    parser.add_argument("-std", type=csv, default=["c++11-or-later"],
-                        help="Passed to clang. Special -or-later values are expanded.")
+    parser.add_argument(
+        "-std",
+        type=csv,
+        default=["c++11-or-later"],
+        help="Passed to clang. Special -or-later values are expanded.",
+    )
     return parser.parse_known_args()
 
 
 def main():
     args, extra_args = parse_arguments()

``````````

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https://github.com/llvm/llvm-project/pull/88186