feat: support skiping if no files found

Signed-off-by: Atkins Chang <atkinschang@gmail.com>

Author: AtkinsChang

action.yml

@@ -29,6 +29,10 @@ inputs:
     description: 'Just fix files (`clang-format -i`) instead of returning a diff'
     required: false
     default: False
+  skipIfNoFilesFound:
+    description: 'Skip if no files found'
+    required: false
+    default: False
 runs:
   using: 'docker'
   image: 'Dockerfile'
@@ -46,4 +50,6 @@ runs:
     - ${{ inputs.extensions }}
     - --exclude
     - ${{ inputs.exclude }}
+    - --skip-if-no-files-found
+    - ${{ inputs.skipIfNoFilesFound }}
     - ${{ inputs.source }}

run-clang-format.py

@@ -304,6 +304,14 @@ def main():
         type=lambda x: bool(strtobool(x)),
         default=False,
         help='Just fix files (`clang-format -i`) instead of returning a diff')
+    parser.add_argument(
+        '-s',
+        '--skip-if-no-files-found',
+        type=lambda x: bool(strtobool(x)),
+        default=False,
+        help='Skip if no files found')
+
+
 
     args = parser.parse_args()
 
@@ -356,7 +364,10 @@ def main():
 
     if not files:
         print_trouble(parser.prog, 'No files found', use_colors=colored_stderr)
-        return ExitStatus.TROUBLE
+        if args.skip_if_no_files_found:
+            return ExitStatus.SUCCESS
+        else:
+            return ExitStatus.TROUBLE
 
     if not args.quiet:
       print('Processing %s files: %s' % (len(files), ', '.join(files)))