Update action to only send ref when pr number is not included and vice versa

action.yml

@@ -73,6 +73,19 @@ runs:
         # coverage reports.
         gzip -c "$INPUT_FILE" | base64 -w 0 > __coverage_b64.txt
 
+        # The API requires either ref or pull_request_number (not both).
+        if [ -n "${PR_NUMBER:-}" ]; then
+          # pull-request-based upload: provide pull_request_number, omit ref
+          jq -n \
+            --arg commit_oid "$COMMIT_OID" \
+            --rawfile coverage_report __coverage_b64.txt \
+            --arg language_name "$INPUT_LANGUAGE" \
+            --arg label "$INPUT_LABEL" \
+            --argjson pr_number "$PR_NUMBER" \
+            '{commit_oid: $commit_oid, coverage_report: $coverage_report, language_name: $language_name, label: $label, pull_request_number: $pr_number}' \
+            > __body.json
+        else
+          # ref-based upload: provide ref, omit pull_request_number
           jq -n \
             --arg commit_oid "$COMMIT_OID" \
             --arg ref "$REF" \
@@ -81,11 +94,6 @@ runs:
             --arg label "$INPUT_LABEL" \
             '{commit_oid: $commit_oid, ref: $ref, coverage_report: $coverage_report, language_name: $language_name, label: $label}' \
             > __body.json
-
-        if [ -n "${PR_NUMBER:-}" ]; then
-          jq --argjson pr_number "$PR_NUMBER" \
-            '. + {pull_request_number: $pr_number}' __body.json > __body_tmp.json \
-            && mv __body_tmp.json __body.json
         fi
 
         UPLOAD_OUTPUT=$(gh api --method PUT "/repos/${{ github.repository }}/code-coverage/report" \