Use single artifact for PR number and merge test results

Author: giggio

.github/workflows/build.yml

@@ -70,19 +70,6 @@ jobs:
           path: junit.xml
           if-no-files-found: error
           retention-days: 1
-      - name: Get PR number
-        id: get-pr-data
-        if: github.event_name == 'pull_request'
-        run: |
-          echo "${{ github.event.number }}" > "pr-number.txt"
-          echo "${{ matrix.runner }}" > "pr-runner.txt"
-          echo "${{ matrix.node }}" > "pr-node.txt"
-      - name: Upload PR number
-        uses: actions/upload-artifact@v4
-        if: github.event_name == 'pull_request'
-        with:
-          name: pr-data-${{ matrix.runner }}-${{ matrix.node }}
-          path: "pr-*.txt"
 
   build_s390x:
     name: Build s390x
@@ -207,6 +194,22 @@ jobs:
       - run: ./test-driver.sh
         name: Verify install
 
+  upload_pr_number:
+    name: Upload PR number
+    runs-on: ubuntu-latest
+    steps:
+      - name: Get PR number
+        id: get-pr-number
+        if: github.event_name == 'pull_request'
+        run: |
+          echo "${{ github.event.number }}" > "pr-number.txt"
+      - name: Upload PR number
+        uses: actions/upload-artifact@v4
+        if: github.event_name == 'pull_request'
+        with:
+          name: pr-number
+          path: "pr-number.txt"
+
   publish:
     permissions:
       contents: read

.github/workflows/pr-update-comment.yml

@@ -23,21 +23,21 @@ jobs:
       - name: Download PR number
         uses: actions/download-artifact@v4
         with:
+          name: pr-number
           github-token: ${{ github.token }}
           run-id: ${{ github.event.workflow_run.id }}
       - name: Display downloaded files
         run: ls -R
       - name: Set PR number
-        id: get-pr-data
+        id: get-pr-number
         run: |
           echo "pr-number=$(cat pr-number.txt)" >> "${GITHUB_OUTPUT}"
-          echo "pr-runner=$(cat pr-runner.txt)" >> "${GITHUB_OUTPUT}"
-          echo "pr-node=$(cat pr-node.txt)" >> "${GITHUB_OUTPUT}"
       - name: Publish reports
         uses: turing85/publish-report@v2
         with:
-          comment-message-pr-number: ${{ steps.get-pr-data.outputs.pr-number }}
-          download-artifact-name: test-report-${{ steps.get-pr-data.outputs.pr-runner }}-${{ steps.get-pr-data.outputs.pr-node }}
+          comment-message-pr-number: ${{ steps.get-pr-number.outputs.pr-number }}
+          download-artifact-pattern: test-report-*
+          download-artifact-merge-multiple: true
           download-artifact-run-id: ${{ github.event.workflow_run.id }}
           comment-header: my-comment-header
           comment-message-success: |
@@ -54,6 +54,6 @@ jobs:
 
             The report can be found [here]({4}).
           report-fail-on-error: true
-          report-name: Tests ${{ steps.get-pr-data.outputs.pr-runner-node }}
+          report-name: Tests
           report-path: junit.xml
           report-reporter: jest-junit