Add pushing back into _docs.yml conditional on needs.test.result

Author: dan-fernandes

.github/workflows/_docs.yml

@@ -33,3 +33,22 @@ jobs:
         with:
           name: docs
           path: build
+
+      - name: Sanitize ref name for docs version
+        run: echo "DOCS_VERSION=${GITHUB_REF_NAME//[^A-Za-z0-9._-]/_}" >> $GITHUB_ENV
+
+      - name: Move to versioned directory
+        run: mv build/html .github/pages/$DOCS_VERSION
+
+      - name: Write switcher.json
+        run: python .github/pages/make_switcher.py --add $DOCS_VERSION ${{ github.repository }} .github/pages/switcher.json
+
+      - name: Publish Docs to gh-pages
+        if: needs.test.result && (github.ref_type == 'tag' || github.ref_name == 'main')
+        # We pin to the SHA, not the tag, for security reasons.
+        # https://docs.github.com/en/actions/learn-github-actions/security-hardening-for-github-actions#using-third-party-actions
+        uses: peaceiris/actions-gh-pages@4f9cc6602d3f66b9c108549d475ec49e8ef4d45e # v4.0.0
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: .github/pages
+          keep_files: true