review-comments-action

Usage

Use this action in order to auto post comments in pull requests based on the changes

Setup

Since posting comments on GitHub requires write permission you need two create 2 yaml configurations. One to collect PR changes and upload as artifacts and one to download them and apply the script (executes from the main branch).

In the first config you need to prepare some data to be uploaded as an artifact:

name: Auto-review Diff Prepare
on:
  pull_request:
    branches:
      - main
jobs:
  prepare:
    name: Prepare
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 2
      - name: Save PR number
        run: echo "${{ github.event.pull_request.number }}" > pr_number.txt
      - name: Generate Diff
        run: |
          git fetch origin ${{ github.event.pull_request.base.ref }}
          git diff origin/${{ github.event.pull_request.base.ref }}..${{ github.sha }} > pr_files_diff.txt
      - name: Create artifact folder
        run: mkdir -p pr_diff && mv pr_number.txt pr_files_diff.txt pr_diff/
      - name: Upload PR details as artifact
        uses: actions/upload-artifact@v4
        with:
          name: pr-diff
          path: pr_diff/

In the second config file you need to specify 2 params:

• token: your GitHub token
• data-path: a path to a yaml file with a config that contains prependMsg and checks props. prependMsg is a message that prepends to every message of the bot. Keep empty if not needed. By default it's 🗯️ [pull-request-auto-reviewer]: (as per screenshot). checks props consists of pairs of paths and message keys. paths dedicated to specify path(s) of changes that would trigger posting of followed message as a pull request comment. In case of multiple paths they should be separated by a comma. message could be a simple string or markdown. All messages will be combined into a single comment. An example of such a file:

- prependMsg: ""
- checks:
    - paths: "**/*.*"
      message: |
        ### Please tick the following checkboxes:

        - [ ] the code is tested
        - [ ] files are compressed
        - [ ] files contain no errors

There's also an optional artifact-path parameter if you want a different path to artifacts (make sure that you have updated the upload artifacts config as well). The default value is pr_diff/