only run on push events

Author: sean-breen

.github/workflows/ci.yml

@@ -428,7 +428,9 @@ jobs:
     name: Generate CPU Profile
     runs-on: ubuntu-22.04
     needs: build-unsigned-snapshot
-    if: ${{ startsWith(github.head_ref, 'pgo-') && !github.event.pull_request.head.repo.fork }}
+    if: ${{ github.event_name == 'push' &&
+            startsWith(github.ref_name, 'pgo-') && 
+            !github.event.pull_request.head.repo.fork }}
     permissions:
       contents: write
     steps:
@@ -444,13 +446,8 @@ jobs:
           cache: false
 
       - name: Set env
-        run: | 
-          echo "GO_VERSION=$(cat go.mod | grep toolchain | sed 's/toolchain //; s/go//')" >> $GITHUB_ENV
-          if [ ${{ github.head_ref }} ]; then
-            BRANCH_NAME=${{ github.head_ref }}
-          else
-            BRANCH_NAME=${GITHUB_REF#refs/heads/}
-          fi
+        run: |
+          - echo "GO_VERSION=$(cat go.mod | grep toolchain | sed 's/toolchain //; s/go//')" >> $GITHUB_ENV
 
       - name: Download Packages
         uses: actions/download-artifact@eaceaf801fd36c7dee90939fad912460b18a1ffe # v4.1.2
@@ -488,11 +485,11 @@ jobs:
           git config --global user.name 'github-actions'
           git config --global user.email '41898282+github-actions[bot]@users.noreply.github.com'
           git remote set-url origin 'https://github-actions:${{ secrets.GITHUB_TOKEN }}@github.com/nginx/agent.git'
-          git checkout -b $BRANCH_NAME-update-profile
+          git checkout -b ${{ github.ref_name }}-update-profile
           git add default.pgo
-          git commit -m "Update pgo profile -- CI Autogenerated" -- ${{ steps.artifact-upload-step.outputs.artifact-id }} || echo "No changes to commit"
+          git commit -m "Update pgo profile -- CI Autogenerated" || echo "No changes to commit"
           git log -1
-          git push -u origin "$BRANCH_NAME-update-profile"
+          git push -u origin "${{ github.ref_name }}-update-profile"
 
       - name: Create Pull Request
         uses: actions/github-script@60a0d83039c74a4aee543508d2ffcb1c3799cdea # v7.0.1
@@ -504,8 +501,8 @@ jobs:
               title: 'Update pgo profile',
               owner,
               repo,
-              head: '$BRANCH_NAME-update-profile',
-              base: '$BRANCH_NAME',
+              head: '${{ github.ref_name }}-update-profile',
+              base: '${{ github.ref_name }}',
               state: 'open'
             });
             if (pullRequests.length > 0) {
@@ -521,8 +518,8 @@ jobs:
               title: 'Update pgo profile',
               owner,
               repo,
-              head: '$BRANCH_NAME-update-profile',
-              base: '$BRANCH_NAME',
+              head: '${{ github.ref_name }}-update-profile',
+              base: '${{ github.ref_name }}',
               body: [
                 'This PR is auto-generated by the release workflow.'
               ].join('\n')