Mach clippy & test-tidy github inline annotation (#37294)

When the --report-ci flag is passed to ./mach clippy or ./mach
test-tidy, the commands emit CI-friendly output to files in the tempy
directory. These files can later be used by [GitHub Workflow
Commands](https://docs.github.com/en/actions/writing-workflows/choosing-what-your-workflow-does/workflow-commands-for-github-actions#setting-an-error-message)
for annotations. If the flag is not provided, the default behavior
remains unchanged. Both clippy and test-tidy will limit have 10 limit
annotation

⚠️ Note: For ./mach clippy --report-ci to work correctly, the Clippy
command must use --message-format=json. If it's not specified, CI output
will not be generated, and no warning or error will be shown.

Example PR: https://github.com/jerensl/servo/pull/1/files

Fixes: #37231

---------

Signed-off-by: Jerens Lensun <jerensslensun@gmail.com>

python/tidy/tidy.py

@@ -21,10 +21,10 @@ from typing import Any, Dict, List
 
 import colorama
 import toml
-
 import wpt.manifestupdate
 
-from .licenseck import OLD_MPL, MPL, APACHE, COPYRIGHT, licenses_toml
+from .licenseck import APACHE, COPYRIGHT, MPL, OLD_MPL, licenses_toml
+from .linting_report import GitHubAnnotationManager
 
 TOPDIR = os.path.abspath(os.path.dirname(sys.argv[0]))
 WPT_PATH = os.path.join(".", "tests", "wpt")
@@ -982,7 +982,8 @@ def collect_errors_for_files(files_to_check, checking_functions, line_checking_f
                     yield (filename,) + error
 
 
-def scan(only_changed_files=False, progress=False):
+def scan(only_changed_files=False, progress=False, github_annotations=False):
+    github_annotation_manager = GitHubAnnotationManager("test-tidy")
     # check config file for errors
     config_errors = check_config_file(CONFIG_FILE_PATH)
     # check directories contain expected files
@@ -1018,6 +1019,9 @@ def scan(only_changed_files=False, progress=False):
             + f"{colorama.Fore.RED}{error[2]}{colorama.Style.RESET_ALL}"
         )
 
+        if github_annotations:
+            github_annotation_manager.emit_annotation(error[2], error[2], error[0], error[1])
+
     return int(error is not None)