pr commenting: use native github CLI (#432)

* test github cli

* remove test branch

Author: rugeli

.github/workflows/analyze.yml

@@ -56,20 +56,29 @@ jobs:
                   path: ./results
             - name: Copy files to results bucket
               run: aws s3 cp ./results s3://cellpack-results/${{  github.ref_name  }}/ --recursive --acl public-read
-            - uses: iterative/setup-cml@v2
-              with:
-                vega: false # we only use CML to post markdown reports, so disable vega to skip extra npm installs
             - name: Update comment for dependabot
               if: ${{ github.actor == 'dependabot[bot]' }}
               env:
-                  REPO_TOKEN: ${{ secrets.DEPENDABOT_TOKEN }}
+                  GH_TOKEN: ${{ secrets.DEPENDABOT_TOKEN }}
               run: |
-                  cml comment update --watermark-title="{workflow} report" ./results/analysis_report.md --target=pr
+                  MARKER="<!-- Analyze workflow report -->"
+                  COMMENT_BODY="${MARKER}\n$(cat ./results/analysis_report.md)"
+                  EXISTING_COMMENT_ID=$(gh pr view ${{ github.event.pull_request.number }} --json comments --jq ".comments[] | select(.body | contains(\"${MARKER}\")) | .id" | head -1)
+                  if [ ! -z "$EXISTING_COMMENT_ID" ]; then
+                    gh api -X DELETE /repos/${{ github.repository }}/issues/comments/$EXISTING_COMMENT_ID
+                  fi
+                  echo -e "$COMMENT_BODY" | gh pr comment ${{ github.event.pull_request.number }} --body-file -
                   cat ./results/analysis_report.md
             - name: Update comment for PR
               if: ${{ github.actor != 'dependabot[bot]' }}
               env:
-                  REPO_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+                  GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
               run: |
-                  cml comment update --watermark-title="{workflow} report" ./results/analysis_report.md --target=pr
+                  MARKER="<!-- Analyze workflow report -->"
+                  COMMENT_BODY="${MARKER}\n$(cat ./results/analysis_report.md)"
+                  EXISTING_COMMENT_ID=$(gh pr view ${{ github.event.pull_request.number }} --json comments --jq ".comments[] | select(.body | contains(\"${MARKER}\")) | .id" | head -1)
+                  if [ ! -z "$EXISTING_COMMENT_ID" ]; then
+                    gh api -X DELETE /repos/${{ github.repository }}/issues/comments/$EXISTING_COMMENT_ID
+                  fi
+                  echo -e "$COMMENT_BODY" | gh pr comment ${{ github.event.pull_request.number }} --body-file -
                   cat ./results/analysis_report.md