name: CI Workflow Lint

on:
  pull_request:
    branches: [ main ]
    paths:
      - ".gitea/workflows/ci.yml"
      - "tools/validate_gitea_ci_workflow_lint_v1.py"
  push:
    branches: [ main ]
    paths:
      - ".gitea/workflows/ci.yml"
      - "tools/validate_gitea_ci_workflow_lint_v1.py"
  workflow_dispatch:

jobs:
  validate-ci-workflow-lint:
    runs-on: ubuntu-latest

    steps:
    - name: Checkout Code
      uses: actions/checkout@v3
      with:
        fetch-depth: 0

    - name: Setup Python Environment
      run: |
        /usr/bin/python3 --version
        /usr/bin/python3 -m pip --version
        PYTHON_DEPS="$HOME/python_deps/$(md5sum tools/validate_gitea_ci_workflow_lint_v1.py | cut -d' ' -f1)"
        mkdir -p "$PYTHON_DEPS"
        /usr/bin/python3 -m pip install --disable-pip-version-check --quiet \
          --target "$PYTHON_DEPS" pyyaml
        export PYTHONPATH="$PYTHON_DEPS:${PYTHONPATH:-}"
        echo "PYTHONPATH=$PYTHON_DEPS:${PYTHONPATH:-}" >> "$GITHUB_ENV"

    - name: Lint CI Workflow Contract
      run: python3 tools/validate_gitea_ci_workflow_lint_v1.py --workflow .gitea/workflows/ci.yml