cron_update_bibliography.yml

# workflow to update the bibliograhy file if it has changed.

name: Check for updates of the bibliography and deploy if it changed

on:
  # push:
  #   branches:
  #     - main
  schedule:
    # every hour at minute 37
    - cron: "37 * * * *"
  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:

permissions:
  contents: write
  # The following permissions are needed by the pages call if a change occured.
  pages: write
  id-token: write

jobs:
  update_bibliography:
    runs-on: ubuntu-latest
    outputs:
      bibliography_changes: ${{ env.BIBLIOGRAPHY_CHANGES }}
    steps:
      - name: clone
        uses: actions/checkout@v1
      - name: setup python
        uses: actions/setup-python@v4
        with:
          python-version: "3.9"
      - name: run zotero python client script
        id: download_and_check
        env:
          ZOTERO_API_KEY: ${{ secrets.ZOTERO_API_KEY }}
        run: |
          pip install pyzotero==1.5.5 PyYAML==6.0
          python files/zotero.py
          echo "BIBLIOGRAPHY_CHANGES=$(git diff --name-only | wc -l)" >> $GITHUB_ENV
      - name: print_env
        run: |
          env
      - name: push_if_updated
        if: env.BIBLIOGRAPHY_CHANGES != '0'
        run: |
          git add _data/publications.yaml
          git config --local user.email "zotero_change@zotero.org"
          git config --local user.name "GitHub Action"
          git commit -m "Updated bibliography"
      - name: Push changes
        if: env.BIBLIOGRAPHY_CHANGES != '0'
        uses: ad-m/github-push-action@master
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
  update_pages:
    needs: [update_bibliography]
    if: needs.update_bibliography.outputs.bibliography_changes != '0'
    uses: ./.github/workflows/jekyll.yml