feat: add support for excluding the top level directory (#967)

action.yml

@@ -75,6 +75,10 @@ inputs:
   dir_names_max_depth:
     description: "Maximum depth of directories to output. e.g `test/test1/test2` with max depth of `2` returns `test/test1`."
     required: false
+  dir_names_exclude_root:
+    description: "Exclude the root directory represented by `.` from the output when `dir_names`is set to `true`."
+    required: false
+    default: "false"
   json:
     description: "Output list of changed files in a JSON formatted string which can be used for matrix jobs."
     required: false
@@ -245,6 +249,7 @@ runs:
         INPUT_DIFF_RELATIVE: ${{ inputs.diff_relative }}
         INPUT_DIR_NAMES: ${{ inputs.dir_names }}
         INPUT_DIR_NAMES_MAX_DEPTH: ${{ inputs.dir_names_max_depth }}
+        INPUT_DIR_NAMES_EXCLUDE_ROOT: ${{ inputs.dir_names_exclude_root }}
         INPUT_JSON: ${{ inputs.json }}
         INPUT_HAS_CUSTOM_PATTERNS: ${{ steps.glob.outputs.has-custom-patterns }}
         INPUT_JSON_RAW_FORMAT: ${{ inputs.json_raw_format }}