name: Set Repository Topics

on:
  push:
    branches:
      - main
    paths:
      - '.github/TOPICS'

jobs:
  set-topics:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Read topics file
        id: topics
        run: |
          TOPICS=$(cat .github/TOPICS | tr '\n' ',')
          echo "list=${TOPICS%,}" >> $GITHUB_OUTPUT

      - name: Set repository topics
        uses: genneko/github-repo-topics-action@v1
        with:
          topics: ${{ steps.topics.outputs.list }}
          github_token: ${{ secrets.GITHUB_TOKEN }}