name: "CodeQL for PR / python"

on:
  workflow_dispatch:
  pull_request:
    branches: [main]
    paths:
      - '**/*.py'

permissions:
  security-events: write

jobs:
  analyze:
    name: Analyze
    runs-on: ubuntu-latest
    if: github.repository == 'grafana/grafana'

    steps:
    - name: Checkout repository
      uses: actions/checkout@v5
      with:
        # We must fetch at least the immediate parents so that if this is
        # a pull request then we can checkout the head.
        fetch-depth: 2
        persist-credentials: false

    - name: Check for Python files
      id: check-python
      run: |
        if [ -z "$(find . -name '*.py' -type f)" ]; then
          echo "No Python files found, skipping analysis"
          echo "skip=true" >> "$GITHUB_OUTPUT"
        else
          echo "Python files found, proceeding with analysis"
          echo "skip=false" >> "$GITHUB_OUTPUT"
        fi

    # Initializes the CodeQL tools for scanning.
    - name: Initialize CodeQL
      if: steps.check-python.outputs.skip != 'true'
      uses: github/codeql-action/init@v4
      with:
        languages: "python"

    - name: Perform CodeQL Analysis
      if: steps.check-python.outputs.skip != 'true'
      uses: github/codeql-action/analyze@v4