name: Add new linter checklist

on:
  workflow_dispatch:
    inputs:
      pr:
        description: PR number
        required: true
        type: number

permissions:
  pull-requests: write

jobs:
  add-comment:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Add checklist
        run: |
          # Avoid adding multiple comments for the same PR.
          comment_exist=$(gh pr view "$NUMBER" \
            --json comments \
            --jq '.comments[].author | select(.login=="github-actions") | .login' \
            | wc -l)
          [ "$comment_exist" -gt 0 ] && edit_last="--edit-last"

          gh pr comment "$NUMBER" --body "$(cat .github/new-linter-checklist.md)" $edit_last
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          GH_REPO: ${{ github.repository }}
          NUMBER: ${{ inputs.pr }}