update_readme.yml

name: Update README.md

on:
  workflow_dispatch:
    workflow: "*"
  schedule:
    # Run at midnight on each Saturday
    - cron:  '0 0 * * 6'
  # Don't run on pull_request because it is not easy to make it secure
  push:
    paths:
      - 'extension_list.txt'
      - 'readme_source/**'
      - 'make_README.py'
    branches:
      - '*'

jobs:
  update_readme:
    runs-on: ubuntu-latest
    permissions:
      contents: write
    defaults:
      run:
        shell: bash -l {0}

    steps:
      - uses: actions/checkout@v4

      - uses: conda-incubator/setup-miniconda@v3
        with:
          miniforge-version: latest
          # use base environment, so that when using pip, this is from the
          # miniforge distribution
          auto-activate-base: true
          activate-environment: ""

      - name: Conda info
        run: |
          conda info
          conda list

      - name: Install extensions
        run: |
          mamba install --file extension_list.txt

      - name: Conda list
        run: |
          conda list

      - name: Update README.md
        run: |
          python make_README.py

      - name: Git status
        run: |
          git status
          # Get the exit code of the last command and save it to the COMMIT_REQUIRED variable
          echo "COMMIT_REQUIRED=$(git diff --quiet --exit-code || echo $?)" >> $GITHUB_ENV

      - name: Push changes to Github
        if: ${{ env.COMMIT_REQUIRED == 1 }}
        run: |
          git config --global user.name "Automatic README update"
          git config --global user.email "actions@github.com"
          git add .
          git commit -m "Update README.md"
          git push