version_checks.yml

name: Run versioning checks

on:
  pull_request:
    types: [opened, synchronize, edited, reopened]
    branches: [ main, develop ]

jobs:
  version_checks:
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v2
      with:
        fetch-depth: "0"
        path: "pr"
    - uses: actions/checkout@v2
      with:
        ref: ${{ github.base_ref }}
        path: "base"
    - uses: actions/setup-python@v2
      with:
        python-version: '3.9.x'
    - name: Install Dependencies
      run: pip install pyyaml
    - name: Verify Package Version
      working-directory: "pr"
      run: |
        pkg_ver="$(python setup.py -V)"
        echo "Package version is $pkg_ver"
        if ! git rev-parse --verify "refs/tags/v$pkg_ver" &>/dev/null; then
          echo "[OK] Package version was not yet tagged"
        else
          echo "[ERR] The current package version has been tagged previously. The first merge after a release must bump the package version." >&2
          exit 1
        fi
    - name: Verify OpenAPI version
      run: |
        if ! diff -wB pr/datameta/api/openapi.yaml base/datameta/api/openapi.yaml; then
          echo "[INFO] OpenAPI specification has changes"
          if [ "$(./pr/utils/openapi_version.py < pr/datameta/api/openapi.yaml)" == "$(./pr/utils/openapi_version.py < base/datameta/api/openapi.yaml)" ]; then
            echo "[ERR] OpenAPI specification needs API version bump" >&2
            exit 1
          else
            echo "[OK] OpenAPI specification contains new API version"
          fi
        else
          echo "[OK] OpenAPI specification unchanged"
        fi