workflow: fix oasdiff comparison with PR base branch

informatici · Oct 1, 2024 · ba5f32a · ba5f32a
1 parent 4d829e4
commit ba5f32a
Showing 1 changed file with 9 additions and 3 deletions.
diff --git a/.github/workflows/openapi.yml b/.github/workflows/openapi.yml
@@ -89,13 +89,19 @@ jobs:
             exit 1
           fi 
 
-      # Step 2: Check for breaking changes between committed oh.yaml and oh_rev.yaml
+      # Step 2: Check for breaking changes between destination branch oh.yaml and the generated oh_rev.yaml
+      - name: Checkout Base Branch
+        run: |
+          git fetch origin ${{ github.event.pull_request.base.ref }}:base_branch
+          git checkout base_branch
+
       - name: Run OpenAPI Spec breaking action
         id: oasdiff
         uses: oasdiff/oasdiff-action/breaking@main
         with:
-          base: openapi/oh.yaml # Committed version in the repository
-          revision: openapi/oh_rev.yaml # Generated version
+          base: openapi/oh.yaml # destination branch oh.yaml
+          revision: openapi/oh_rev.yaml # generated oh_rev.yaml
+          format: detailed
           # fail-on-diff: false
 
       - name: Show breaking changes output