Updated comment_coverage_report.yml based on previous comment

Checks for the latest code coverage report and if they are identical then it skips posting a redundant comment else will proceed to post the currently generated code coverage report as comment.

.github/workflows/comment_coverage_report.yml

@@ -2,12 +2,12 @@
 
 name: Comment Coverage Report
 
-# Controls when the action will run. Triggers the workflow  on pull request events
-# (opened, synchronize, reopened)
+# Controls when the action will run. Triggers the workflow  on pull request events 
+# (assigned, opened, synchronize, reopened)
 
 on:
   pull_request_target:
-    types: [opened, synchronize, reopened]
+    types: [assigned, opened, synchronize, reopened]
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.run_id }}
@@ -17,8 +17,6 @@ jobs:
   check_code_coverage_completed:
     name: Check code coverage completed
     runs-on: ubuntu-latest
-    outputs:
-      conclusion: ${{ steps.wait-for-coverage.outputs.run-conclusion }}
     steps:
       - name: Wait for code coverage to complete
         id: wait-for-coverage
@@ -29,13 +27,6 @@ jobs:
           allowed-conclusions: |
             success
             failure
-            action_required
-
-      - name: Conclusion Analysis
-        if: steps.wait-for-coverage.outputs.run-conclusion == 'action_required'
-        run: |
-          echo "::error::First-time contributor workflows require manual approval. After approval, please re-run the comment coverage workflows to post the coverage report."
-          exit 1
 
   comment_coverage_report:
     name: Comment Code Coverage Report
@@ -45,9 +36,27 @@ jobs:
 
     # The expression if: ${{ !cancelled() }} runs a job or step regardless of its success or failure while responding to cancellations,
     # serving as a cancellation-compliant alternative to if: ${{ always() }} in concurrent workflows.
-    if: ${{ !cancelled() }}
-    runs-on: ubuntu-latest
+    if: ${{ !cancelled() }}  
+    runs-on: ubuntu-latest   
     steps:
+      - name: Find the latest Code Coverage Report Comment 
+        uses: actions/github-script@v6
+        with:
+           script: |
+             const comments = await github.paginate(github.rest.issues.listComments, {
+               owner: context.repo.owner,
+               repo: context.repo.repo,
+               issue_number: ${{ github.event.pull_request.number }},
+             });            
+
+             for (let i = comments.length - 1; i >= 0; i--) {
+               if (comments[i].body.includes("## Coverage Report")) {
+                 const latestCodeCoverageComment = comments[i].body;
+                 require('fs').writeFileSync('latest_code_coverage_comment.md', latestCodeCoverageComment, 'utf8');
+                 return
+               }
+             }
+    
       - name: Find CI workflow run for PR
         id: find-workflow-run
         uses: actions/github-script@v7
@@ -59,32 +68,52 @@ jobs:
             const runsResponse = await github.rest.actions.listWorkflowRuns({
               owner,
               repo,
-              workflow_id: 'code_coverage.yml',
+              workflow_id: 'code_coverage.yml', 
               event: 'pull_request',
               head_sha: '${{ github.event.pull_request.head.sha }}',
             });
-
+            
             const runs = runsResponse.data.workflow_runs;
             runs.sort((a, b) => new Date(b.created_at).getTime() - new Date(a.created_at).getTime());
 
             const run = runs[0];
             if(!run) {
-              core.setFailed('Could not find a successful workflow run for the PR');
+              core.setFailed('Could not find a succesful workflow run for the PR');
               return;
             }
 
             core.setOutput('run-id', run.id);
-
+            
       - name: Download Generated Markdown Report
         uses: actions/download-artifact@v4
         if: ${{ !cancelled() }} # IMPORTANT: Upload reports regardless of success or failure status
         with:
           name: final-coverage-report
           github-token: ${{ secrets.GITHUB_TOKEN }}
           run-id: ${{ steps.find-workflow-run.outputs.run-id }}
+
+      - name: Compare Current Coverage Report with the Latest Coverage Report
+        run: |        
+          if [ -f latest_code_coverage_comment.md ]; then
+            sed -i -e '$a\' CoverageReport.md
+            sed -i -e '$a\' latest_code_coverage_comment.md
+          
+            if diff -B CoverageReport.md latest_code_coverage_comment.md > /dev/null; then
+              echo "No changes detected; skipping coverage comment."
+              echo "skip_coverage_comment=true" >> $GITHUB_ENV
+            else
+              echo "Changes detected; proceeding with the coverage comment."
+              diff CoverageReport.md latest_code_coverage_comment.md || true
+              echo "skip_coverage_comment=false" >> $GITHUB_ENV
+            fi
+          else
+            echo "No previous coverage comment found to compare; posting evaluated coverage comment."
+            echo "skip_coverage_comment=false" >> $GITHUB_ENV
+          fi
 
       - name: Upload Coverage Report as PR Comment
+        if: ${{ env.skip_coverage_comment == 'false' }}
         uses: peter-evans/create-or-update-comment@v4
         with:
           issue-number: ${{ github.event.pull_request.number }}
-          body-path: 'CoverageReport.md'
+          body-path: 'CoverageReport.md'