Gemini CLI GitHub

name: Auto Update Docs with Gemini CLI + MCP
on:
  push:
    branches: [main]
    paths:
      - 'src/**'
  workflow_dispatch:
    inputs:
      input_dir:
        description: 'Source directory'
        default: 'src/'
      output_dir:
        description: 'Output directory'
        default: 'docs/'
jobs:
  update-docs:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          token: ${{ secrets.PERSONAL_ACCESS_TOKEN }}
      - uses: actions/setup-node@v4
        with:
          node-version: '20'
      - name: Install Gemini CLI
        run: npm install -g @google/gemini-cli
      - name: Write MCP config
        run: |
          mkdir -p .gemini
          cat > .gemini/settings.json <<'EOF'
          {
            "mcpServers": {
              "github": {
                "command": "npx",
                "args": ["-y", "@modelcontextprotocol/server-github"],
                "env": {
                  "GITHUB_PERSONAL_ACCESS_TOKEN": "${{ secrets.PERSONAL_ACCESS_TOKEN }}"
                }
              }
            }
          }
          EOF
      - name: Generate docs
        run: gemini -p "Read all files in ${{ vars.INPUT_DIR || 'src/' }} and generate documentation to ${{ vars.OUTPUT_DIR || 'docs/' }}"
      - name: Commit and push
        run: |
          git config user.email "[email protected]"
          git config user.name "GitHub Actions"
          git add docs/
          git diff --staged --quiet || git commit -m "${{ vars.COMMIT_MESSAGE || 'docs: auto-update via Gemini CLI + MCP' }}"
          git push