[CI][GHA] List delta between last stable commit in hourly

.github/workflows/hourly-ci.yaml

@@ -24,6 +24,7 @@
       contents: read # Required to checkout code and read history
     outputs:
       latest_commit: ${{ steps.latest_vllm_commit.outputs.LATEST_COMMIT }}
+      latest_plugin_commit: ${{ steps.latest_vllm_plugin_commit.outputs.LATEST_PLUGIN_COMMIT }}
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
@@ -56,11 +57,43 @@
           echo "Looking for commits since: $PREV_RUN_TIME"
           echo "PREV_RUN_TIME=$PREV_RUN_TIME" >> "$GITHUB_OUTPUT"
 
-      - name: List commit differences in the last 4 hours
+      - name: List vLLM commit differences in the last 4 hours
         run: |
           echo "Commits merged/pushed in vllm-project/vllm.git in the last 4 hours:"
           git log HEAD..vllm-upstream/main --pretty=format:"%h - %an, %ar : %s" --since="${{ steps.prev_run_time.outputs.PREV_RUN_TIME }}"
 
+      - name: List vLLM commit differences since last stable run
+        run: |
+         LAST_STABLE_VLLM_COMMIT=$(git show origin/vllm/last-good-commit-for-vllm-gaudi:VLLM_STABLE_COMMIT)
+         if [ $? -ne 0 ]; then
+          echo "ERROR: No VLLM_STABLE_COMMIT file found in origin/vllm/last-good-commit-for-vllm-gaudi."
+          exit 1
+         fi
+         LAST_STABLE_VLLM_COMMIT_TITLE=$(git show --no-patch --oneline $LAST_STABLE_VLLM_COMMIT)
+         if [ $? -ne 0 ]; then
+          echo "ERROR: VLLM_STABLE_COMMIT contents does not look like a valid vLLM commit"
+          exit 1
+         fi 
+         echo "Last stable vLLM commit: $LAST_STABLE_VLLM_COMMIT_TITLE"
+         echo "Commits merged/pushed in vllm-project/vllm.git since last stable commit:"
+         git log $LAST_STABLE_VLLM_COMMIT..vllm-upstream/main --pretty=format:"%h - %an, %ar : %s"
+
+      - name: List vLLM-Gaudi commit differences since last stable run
+        run: |
+         LAST_STABLE_VLLM_GAUDI_COMMIT=$(git show origin/vllm/last-good-commit-for-vllm-gaudi:VLLM_GAUDI_STABLE_COMMIT)
+         if [ $? -ne 0 ]; then
+          echo "ERROR: No VLLM_GAUDI_STABLE_COMMIT file found in origin/vllm/last-good-commit-for-vllm-gaudi."
+          exit 1
+         fi
+         LAST_STABLE_VLLM_GAUDI_COMMIT_TITLE=$(git show --no-patch --oneline $LAST_STABLE_VLLM_GAUDI_COMMIT)
+         if [ $? -ne 0 ]; then
+          echo "ERROR: VLLM_GAUDI_STABLE_COMMIT contents does not look like a valid vLLM-Gaudi commit"
+          exit 1
+         fi 
+         echo "Last stable vLLM commit: $LAST_STABLE_VLLM_GAUDI_COMMIT_TITLE"
+         echo "Commits merged/pushed in vllm-project/vllm-gaudi.git since last stable commit:"
+         git log $LAST_STABLE_VLLM_GAUDI_COMMIT..${{ github.sha }} --pretty=format:"%h - %an, %ar : %s"
+
       - name: Get latest commit sha from vllm-upstream/main
         id: latest_vllm_commit
         run: |
@@ -69,6 +102,14 @@
           echo "LATEST_COMMIT=$LATEST_COMMIT" >> "$GITHUB_OUTPUT"
           echo "Latest commit from upstream vLLM: $LATEST_COMMIT"
 
+      - name: Get latest commit sha from vllm-gaudi/main
+        id: latest_vllm_plugin_commit
+        run: |
+          # Use the 'vllm-gaudi/main' ref to log latest commit from that remote
+          LATEST_PLUGIN_COMMIT=${{ github.sha }}
+          echo "LATEST_PLUGIN_COMMIT=$LATEST_PLUGIN_COMMIT" >> "$GITHUB_OUTPUT"
+          echo "Latest commit from vLLM-Gaudi plugin: $LATEST_PLUGIN_COMMIT"
+
       - name: Setup Docker environment and build image
         run: |
           echo "Attempting to build Docker image..."
@@ -267,3 +308,19 @@
           # Explicitly set the remote URL with the token to prevent hanging on auth
           git remote set-url origin https://x-access-token:${{ secrets.GITHUB_TOKEN }}@github.com/${{ github.repository }}
           git push --force origin HEAD:vllm/last-good-commit-for-vllm-gaudi
+
+
+      - name: Store last stable vLLM-Gaudi commit sha
+        run: |
+          LATEST_PLUGIN_COMMIT_SHA=${{ needs.setup_and_build.outputs.latest_plugin_commit }}
+          echo "Storing latest stable vLLM commit SHA: $LATEST_PLUGIN_COMMIT_SHA"
+          echo "$LATEST_PLUGIN_COMMIT_SHA" > VLLM_GAUDI_STABLE_COMMIT
+
+          # Only commit and push if the file has changed to avoid empty commits
+          git add VLLM_GAUDI_STABLE_COMMIT
+          git commit --allow-empty -m "Update stable vLLM-Gaudi commit to ${LATEST_PLUGIN_COMMIT_SHA}"
+
+          echo "Pushing changes to remote branch..."
+          # Explicitly set the remote URL with the token to prevent hanging on auth
+          git remote set-url origin https://x-access-token:${{ secrets.GITHUB_TOKEN }}@github.com/${{ github.repository }}
+          git push --force origin HEAD:vllm/last-good-commit-for-vllm-gaudi