name: update-readable-css

on:
  schedule:
    # Every day at 3:28.
    - cron: '28 3 * * *'

jobs:
  update-readable-css:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Download CSS files for latest tag
        run: .github/scripts/update-readable-css.sh
      - name: Create pull request if files have changed
        # https://github.com/marketplace/actions/create-pull-request
        uses: peter-evans/create-pull-request@v5
        with:
          # First line is the commit subject as always. The rest goes
          # into the body.
          commit-message: |
            Update readable.css to ${{ env.READABLE_CSS_TAG }}

            See the changelog here:

            https://codeberg.org/Freedom-to-Write/readable.css/src/tag/${{ env.READABLE_CSS_TAG }}/CHANGELOG.md
          branch: update-readable-css
          delete-branch: true
          # Use 'GitHub' both times.
          # This is already the default for committer, but the author defaults
          # to the user who triggered the workflow run, which is the owner of
          # the repository.
          # We use the same value for the author to indicate that the
          # commit was created by a bot.
          committer: GitHub <noreply@github.com>
          author: GitHub <noreply@github.com>
          title: Update readable.css to ${{ env.READABLE_CSS_TAG }}
          body: |
            See the changelog here:

            https://codeberg.org/Freedom-to-Write/readable.css/src/tag/${{ env.READABLE_CSS_TAG }}/CHANGELOG.md
          labels: update-readable-css