Downgrade.yml

name: Downgrade
on:
  pull_request:
    paths-ignore:
      - 'CITATION.bib'
      - 'LICENSE.md'
      - 'README.md'
      - '.zenodo.json'
      - '.github/workflows/CompatHelper.yml'
      - '.github/workflows/SpellCheck.yml'
      - '.github/workflows/TagBot.yml'
      - 'docs/**'
  workflow_dispatch:

# Cancel redundant CI tests automatically
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  downgrade-test:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        version: ['1']
    steps:
      - uses: actions/checkout@v4
      - uses: julia-actions/setup-julia@v2
        with:
          version: ${{ matrix.version }}
      - run: julia -e 'using InteractiveUtils; versioninfo(verbose=true)'
      - uses: julia-actions/cache@v2
      - uses: julia-actions/julia-downgrade-compat@v1
        with:
          skip: Pkg,TOML
      - uses: julia-actions/julia-buildpkg@v1
      - uses: julia-actions/julia-runtest@v1
        with:
          coverage: false