sync-from-reddit.yml

name: Sync from Reddit

on:
  workflow_dispatch:
  schedule:
    # run twice per hour at arbitrary minutes, avoiding busy top of hour
    - cron: 17,47 * * * *

jobs:
  sync-from-reddit:
    name: Sync from Reddit
    runs-on: ubuntu-22.04
    outputs:
      new-commit: ${{ steps.push.outputs.commit }}
    permissions:
      contents: write
    steps:
      - name: Extract branch name
        shell: bash
        run: echo "branch=${GITHUB_HEAD_REF:-${GITHUB_REF#refs/heads/}}" >> $GITHUB_OUTPUT
        id: extract_branch

      - uses: actions/checkout@v4
        with:
          ref: ${{ steps.extract_branch.outputs.branch }}

      - name: Configure git user
        run: |
          git config user.name 'github-actions[bot]'
          git config user.email 'github-actions[bot]@users.noreply.github.com'

      - name: Setup Python
        uses: actions/setup-python@v5

      - name: Setup python requirements
        run: pip install -r requirements.txt

      - name: Download wiki from Reddit
        run: python ./download-wiki.py
        env:
          REDDIT_CLIENT_ID: ${{ secrets.REDDIT_CLIENT_ID }}
          REDDIT_CLIENT_SECRET: ${{ secrets.REDDIT_CLIENT_SECRET }}
          REDDIT_USER_AGENT: ${{ secrets.REDDIT_USER_AGENT }}
          REDDIT_USER_NAME: ${{ secrets.REDDIT_USER_NAME }}
          REDDIT_PASSWORD: ${{ secrets.REDDIT_PASSWORD }}

      - name: Push changes (if any)
        id: push
        run: |
          git push
          if [ "$GITHUB_SHA" != "$(git rev-parse HEAD)" ]; then
            echo "commit=$(git rev-parse HEAD)" >> "$GITHUB_OUTPUT"
          fi

  # Pushes from GitHub Actions do not trigger further actions; manually call deploy
  deploy:
    name: Deploy site
    needs: sync-from-reddit
    if: "${{ needs.sync-from-reddit.outputs.new-commit != '' }}"
    permissions:
      contents: write
    uses: ./.github/workflows/deploy.yml
    with:
      new-commit: ${{ needs.sync-from-reddit.outputs.new-commit }}