name: "Backwards compatibility"

on:
    pull_request:

permissions:
  contents: read

jobs:
    bc-check:
        name: "Backwards compatibility check"

        runs-on: "ubuntu-latest"

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

            # User in the container seems to be different than the cloned repo's owner.
            # Git doesn't like that as the repo will then be unusable by the owner.
            # We don't care about this here since this is only  used for running one test.
            # See https://github.com/actions/runner/issues/2033
            - name: Workaround directory permissions
              run: mkdir -p /home/runner/work/_temp/_github_home && printf "[safe]\n\tdirectory = /github/workspace" > /home/runner/work/_temp/_github_home/.gitconfig

            - name: "BC Check"
              uses: docker://nyholm/roave-bc-check-ga
              with:
                  args: --from=${{ github.event.pull_request.base.sha }}