GitHub action for comparing OpenAPI specs, based on oasdiff tool

Copy and paste the following snippet into your build .yml file:

- name: Running OpenAPI Spec diff action
  id: test_breaking_changes
  uses: Tufin/oasdiff-action@v2
  with:
    base: 'specs/base.yaml'
    revision: 'specs/revision-breaking-changes.yaml'
    format: 'text'
    breaking-only: true
    fail-on-diff: true

Required path of original OpenAPI spec in YAML or JSON format

Required path of revised OpenAPI spec in YAML or JSON format

Optional output format: yaml, text or html (default "yaml")

Optional display breaking changes only

Optional fail with exit code 1 if a difference is found