multiline support in LAST_COMMIT_MESSAGE

.github/workflows/build.yaml

@@ -25,14 +25,18 @@ jobs:
 
     - name: Get commit message
       run: |
-        if [ "${{ github.event_name }}" == "push" ]; then
-          echo "LAST_COMMIT_MESSAGE='${{ github.event.head_commit.message }}'" | tee -a $GITHUB_ENV
-        elif [ "${{ github.event_name }}" == "workflow_run" ]; then
-          echo "LAST_COMMIT_MESSAGE='${{ github.event.workflow_run.head_commit.message }}'" | tee -a $GITHUB_ENV
-        elif [ "${{ github.event_name }}" == "pull_request" ]; then
-          echo "LAST_COMMIT_MESSAGE=$(curl -s '${{ github.event.pull_request.commits_url }}' | jq -r '.[-1].commit.message')" | tee -a $GITHUB_ENV
-        fi
-
+        {
+          echo 'LAST_COMMIT_MESSAGE<<EOF'
+          if [ "${{ github.event_name }}" == "push" ]; then
+            echo "${{ github.event.head_commit.message }}"
+          elif [ "${{ github.event_name }}" == "workflow_run" ]; then
+            echo "${{ github.event.workflow_run.head_commit.message }}"
+          elif [ "${{ github.event_name }}" == "pull_request" ]; then
+            echo "$(curl -s '${{ github.event.pull_request.commits_url }}' | jq -r '.[-1].commit.message')"
+          fi
+          echo EOF
+        } | tee -a $GITHUB_ENV
+    
     - name: Get kernel submodule ref
       id: kernel-submodule
       run: echo "ref=$(git ls-tree HEAD | awk '$4 == "agnos-kernel-sdm845"' | awk '{print $3}')" | tee -a $GITHUB_OUTPUT