Merge branch 'cw/ci-ghwf-check-ws-errors'

Dev support update.

* cw/ci-ghwf-check-ws-errors:
  ci: make the whitespace checker more robust

Author: gitster

.github/workflows/check-whitespace.yml

@@ -58,12 +58,14 @@ jobs:
     - name: Add Check Output as Comment
       uses: actions/github-script@v3
       id: add-comment
+      env:
+        log: ${{ steps.check_out.outputs.checkout }}
       with:
         script: |
-            github.issues.createComment({
+            await github.issues.createComment({
               issue_number: context.issue.number,
               owner: context.repo.owner,
               repo: context.repo.repo,
-              body: "Whitespace errors found in workflow ${{ github.workflow }}:\n\n${{ steps.check_out.outputs.checkout }}"
+              body: `Whitespace errors found in workflow ${{ github.workflow }}:\n\n\`\`\`\n${process.env.log.replace(/\\n/g, "\n")}\n\`\`\``
             })
       if: ${{ failure() }}