# https://docs.github.com/en/code-security/code-scanning/automatically-scanning-your-code-for-vulnerabilities-and-errors/configuring-code-scanning
name: "CodeQL"

on:
  push:
    branches:
    - '**'
    tags-ignore:
    - '**'
    paths-ignore:
    - '**/*.md'
    - '.github/workflows/build.yml'
    - '.github/workflows/update-python-deps.yml'
  pull_request:
    paths-ignore:
    - '**/*.md'
  schedule:
    - cron: '10 10 * * 1'
  workflow_dispatch:
    # https://github.blog/changelog/2020-07-06-github-actions-manual-triggers-with-workflow_dispatch/

defaults:
  run:
    shell: bash

env:
  PYTHON_VERSION: "3.11" # TODO don't upgrade to 3.12 yet, see https://github.com/github/codeql-action/issues/1933

jobs:
  analyze:
    name: Analyze
    runs-on: ubuntu-latest
    permissions:
      security-events: write

    steps:
    - name: Git Checkout
      uses: actions/checkout@v4 #https://github.com/actions/checkout

    - uses: actions/setup-python@v4
      with:
        python-version: "${{ env.PYTHON_VERSION }}"

    - name: Install python dependencies
      run: |
        set -eux

        python --version

        python -m pip install --upgrade pip

        # pin packaging to 21.3 for now to prevent: packaging.specifiers.InvalidSpecifier: Invalid specifier: '>=3.4.*'
        # see https://github.com/pdm-project/pdm/issues/1556
        pip install --upgrade pdm packaging==21.3

        # don't install dependencies for now, as this makes CodeQL run forever
        # pdm install -v

        # Set the `CODEQL-PYTHON` environment variable to the Python executable
        # that includes the dependencies
        echo "CODEQL_PYTHON=$(which python)" >> $GITHUB_ENV

    - name: Initialize CodeQL
      uses: github/codeql-action/init@v2
      with:
        languages: python
        setup-python-dependencies: false

    - name: Perform CodeQL Analysis
      uses: github/codeql-action/analyze@v2 # https://github.com/github/codeql-action