support new extra-args option (#104)

* Support new extra-args option

* Update action.yml

Co-authored-by: Brendan <2bndy5@gmail.com>

* Update action.yml

Co-authored-by: Brendan <2bndy5@gmail.com>

* Update action.yml and README.md

Co-authored-by: Brendan <2bndy5@gmail.com>

README.md

@@ -139,6 +139,11 @@ jobs:
 - **Description**: The directory containing compilation database (like compile_commands.json) file.
 - Default: ''
 
+#### `extra-args`
+
+- **Description**: A string of extra arguments passed to clang-tidy for use as compiler arguments (like `-std=c++14 -Wall`).
+- Default: ''
+
 ### Outputs
 
 This action creates 1 output variable named `checks-failed`. Even if the linting checks fail for source files this action will still pass, but users' CI workflows can use this action's output to exit the workflow early if that is desired.

action.yml

@@ -41,15 +41,15 @@ inputs:
     required: false
     default: "12"
   verbosity:
-    description: A hidden option to control the action's log verbosity. This is the `logging` level (degaults to DEBUG)
+    description: A hidden option to control the action's log verbosity. This is the `logging` level (defaults to DEBUG).
     required: false
     default: "10"
   lines-changed-only:
-    description: Set this option to 'true' to only analyse changes in the event's diff. Defaults to 'false'.
+    description: Set this option to 'true' to only analyze changes in the event's diff. Defaults to 'false'.
     required: false
     default: false
   files-changed-only:
-    description: Set this option to 'false' to analyse any source files in the repo. Defaults to 'true'.
+    description: Set this option to 'false' to analyze any source files in the repo. Defaults to 'true'.
     required: false
     default: true
   ignore:
@@ -74,6 +74,10 @@ inputs:
     description: The directory containing compile_commands.json file.
     required: false
     default: ""
+  extra-args:
+    description: A string of extra arguments passed to clang-tidy for use as compiler arguments. Multiple arguments are separated by spaces so the argument name and value should use an '=' sign instead of a space.
+    required: false
+    default: ""
 outputs:
   checks-failed:
     description: An integer that can be used as a boolean value to indicate if all checks failed.
@@ -83,7 +87,7 @@ runs:
   steps:
     - name: Install action dependencies
       shell: bash
-      run: python3 -m pip install clang-tools cpp-linter
+      run: python3 -m pip install clang-tools cpp-linter==1.4.7
     - name: Install clang-tools binary executables
       shell: bash
       run: clang-tools -i ${{ inputs.version }} -b
@@ -103,4 +107,5 @@ runs:
           --thread-comments=${{ inputs.thread-comments }} \
           --ignore="${{ inputs.ignore }}" \
           --database=${{ inputs.database }} \
-          --file-annotations=${{ inputs.file-annotations }}
+          --file-annotations=${{ inputs.file-annotations }} \
+          --extra-arg="${{ inputs.extra-args }}"