refactor to one step [skip ci]

.github/workflows/create_rc_pr.yml

@@ -15,49 +15,33 @@ env:
 permissions: {}
 
 jobs:
-    agent6_check:
-        runs-on: ubuntu-latest
-        outputs:
-          a6_error: ${{ steps.a6_error.outputs.value }}
-        steps:
-          - name: Check if agent 6 rc PR already exists
-            id: a6_error
-            if: ${{ env.IS_AGENT6_RELEASE == 'true' }}
-            run: |
-              prs=$(gh pr list \
-                  --repo "$GITHUB_REPOSITORY" \
-                  --base "$AGENT6_RELEASE_BRANCH" \
-                  --json url,title \
-                  --search "Update release.json and Go modules for in:title")
-              echo $prs
-              if [ "$(echo "$prs" | jq 'length')" -gt 0 ]; then
-                  pr_url=$(echo "$prs" | jq -r '.[0].url')
-                  echo "value=Error: An agent 6 release candidate PR already exists, please merge and build it before creating a new one $pr_url" >> $GITHUB_OUTPUT
-              fi
-
-          - name: Send Agent 6 error to slack
-            uses: slackapi/[email protected]
-            if: ${{ env.IS_AGENT6_RELEASE == 'true' && steps.a6_error.outputs.value }}
-            with:
-              webhook: ${{ secrets.SLACK_DATADOG_AGENT_CI_WEBHOOK }}
-              webhook-type: webhook-trigger
-              payload: |
-                channel_id: "C085P12CTFX"
-                message: "${{ steps.a6_error.outputs.value }}"
-
-          - name: Fail and exit workflow
-            if: ${{ env.IS_AGENT6_RELEASE == 'true' && steps.a6_error.outputs.value }}
-            run: |
-              echo ${{ steps.a6_error.outputs.value }}
-              exit 1
-
     find_release_branches:
         runs-on: ubuntu-latest
-        needs: agent6_check
         outputs:
           branches: ${{ steps.branches.outputs.value }}
           warning: ${{ steps.warning.outputs.value }}
         steps:
+            - name: Check if agent 6 rc PR already exists
+              id: a6_error
+              if: ${{ env.IS_AGENT6_RELEASE == 'true' }}
+              run: |
+                prs=$(gh pr list \
+                    --repo "$GITHUB_REPOSITORY" \
+                    --base "$AGENT6_RELEASE_BRANCH" \
+                    --json url,title \
+                    --search "Update release.json and Go modules for in:title")
+
+                if [ "$(echo "$prs" | jq 'length')" -gt 0 ]; then
+                    pr_list=$(echo "$prs" | jq -r '.[] | "- \(.title): \(.url)"')
+                    error_message="AGENT 6 ERROR: The following Agent 6 release candidate PRs already exist. Please address these PRs before creating a new release candidate.:\n$pr_list"
+                    curl -X POST -H 'Content-Type: application/json' \
+                    --data "{ 'channel_id': 'C085P12CTFX', 'message': '$error_message' }" \
+                    ${{ secrets.SLACK_DATADOG_AGENT_CI_WEBHOOK }}
+                fi
+
+                echo -e "$error_message"
+                exit 1
+
             - name: Checkout repository
               if: ${{ env.IS_AGENT6_RELEASE == 'false' }}
               uses: actions/checkout@0ad4b8fadaa221de15dcec353f45205ec38ea70b # v4.1.4