diff --git a/.github/workflows/pr-open.yml b/.github/workflows/pr-open.yml
index cea6851..ce49e4a 100644
--- a/.github/workflows/pr-open.yml
+++ b/.github/workflows/pr-open.yml
@@ -4,7 +4,7 @@ on:
   merge_group:
   pull_request:
   push:
-    branches: [main]
+    # branches: [main]
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
@@ -20,7 +20,13 @@ jobs:
         run: |
           echo "github.event_name: ${{ github.event_name }}"
           echo "github.event.action: ${{ github.event.action }}"
-  
+
+      - name: Dump GitHub Context.Event
+        env:
+          GITHUB_CONTEXT: ${{ toJson(github) }}
+        run: |
+          echo "${GITHUB_CONTEXT}" | jq .
+
   # Test for PR, merge queue and merge to main
   get-pr:
     name: Get PR number
diff --git a/action.yml b/action.yml
index cca34c8..bb8bdf9 100644
--- a/action.yml
+++ b/action.yml
@@ -29,8 +29,6 @@ runs:
     - id: vars
       shell: bash
       run: |
-        set -eux
-        
         # Get PR number (different process for merge queue)
         if [ ${{ github.event_name }} == 'pull_request' ]
         then
@@ -43,7 +41,15 @@ runs:
         elif [ ${{ github.event_name }} == 'push' ]
         then
           echo "Event type: push"
-          pr=$(echo ${{ github.event.head_commit.message }} |( grep -Eo "pr-[0-9]+" || true )| cut -d '-' -f2)
+          # HEAD=$(git log main --oneline | head -n1 | awk '{print $1}')
+          HEAD=${{ github.event.after }}
+          pr=$(\
+            curl -sL -H "Accept: application/vnd.github+json" -H "Authorization: Bearer ${{ github.token }}" \
+              -H "X-GitHub-Api-Version: 2022-11-28" \
+              https://api.github.com/repos/${{ github.repository }}/commits/${HEAD}/pulls \
+                | jq .[0].number
+          )
+
           if [ -z "${pr}" ]
           then
             echo "No PR number found. Was this push triggered by a squashed PR merge?"
@@ -54,7 +60,7 @@ runs:
         fi
 
         # Validate PR number
-        if [ ! "${PR_NO}" =~ ^[0-9]+$ ]; then
+        if [[ ! "${pr}" =~ ^[0-9]+$ ]]; then
           echo "PR number format incorrect: ${pr}"
           exit 1
         fi