[TRTLLM-8000][infra] Catch error in merge waive list stage

jenkins/L0_MergeRequest.groovy

@@ -335,33 +335,40 @@ def mergeWaiveList(pipeline, globalVars)
     sh "cp ${LLM_ROOT}/tests/integration/test_lists/waives.txt ./waives_CUR_${env.gitlabCommit}.txt"
     sh "cp ${LLM_ROOT}/jenkins/scripts/mergeWaiveList.py ./"
 
-    // Get TOT waive list
-    LLM_TOT_ROOT = "llm-tot"
-    targetBranch = env.gitlabTargetBranch ? env.gitlabTargetBranch : globalVars[TARGET_BRANCH]
-    echo "Target branch: ${targetBranch}"
-    withCredentials([string(credentialsId: 'default-sync-llm-repo', variable: 'DEFAULT_SYNC_LLM_REPO')]) {
-        trtllm_utils.checkoutSource(DEFAULT_SYNC_LLM_REPO, targetBranch, LLM_TOT_ROOT, false, false)
+    try {
+        // Get TOT waive list
+        LLM_TOT_ROOT = "llm-tot"
+        targetBranch = env.gitlabTargetBranch ? env.gitlabTargetBranch : globalVars[TARGET_BRANCH]
+        echo "Target branch: ${targetBranch}"
+        withCredentials([string(credentialsId: 'default-llm-repo', variable: 'DEFAULT_LLM_REPO')]) {
+            trtllm_utils.checkoutSource(DEFAULT_LLM_REPO, targetBranch, LLM_TOT_ROOT, false, true)
+        }
+        targetBranchTOTCommit = sh (script: "cd ${LLM_TOT_ROOT} && git rev-parse HEAD", returnStdout: true).trim()
+        echo "Target branch TOT commit: ${targetBranchTOTCommit}"
+        sh "cp ${LLM_TOT_ROOT}/tests/integration/test_lists/waives.txt ./waives_TOT_${targetBranchTOTCommit}.txt"
+
+        // Get waive list diff in current MR
+        def diff = getMergeRequestOneFileChanges(pipeline, globalVars, "tests/integration/test_lists/waives.txt")
+
+        // Write diff to a temporary file to avoid shell escaping issues
+        writeFile file: 'diff_content.txt', text: diff
+
+        // Merge waive lists
+        sh """
+            python3 mergeWaiveList.py \
+            --cur-waive-list=waives_CUR_${env.gitlabCommit}.txt \
+            --latest-waive-list=waives_TOT_${targetBranchTOTCommit}.txt \
+            --diff-file=diff_content.txt \
+            --output-file=waives.txt
+        """
+        trtllm_utils.uploadArtifacts("waives*.txt", "${UPLOAD_PATH}/waive_list/")
+        echo "New merged test waive list: https://urm.nvidia.com/artifactory/${UPLOAD_PATH}/waive_list/waives.txt"
+    } catch (InterruptedException e) {
+        throw e
+    } catch (Exception e) {
+        echo "Merge test waive list failed. Error: ${e.toString()}"
+        echo "Fallback to use the default test waive list from the PR"
     }
-    targetBranchTOTCommit = sh (script: "cd ${LLM_TOT_ROOT} && git rev-parse HEAD", returnStdout: true).trim()
-    echo "Target branch TOT commit: ${targetBranchTOTCommit}"
-    sh "cp ${LLM_TOT_ROOT}/tests/integration/test_lists/waives.txt ./waives_TOT_${targetBranchTOTCommit}.txt"
-
-    // Get waive list diff in current MR
-    def diff = getMergeRequestOneFileChanges(pipeline, globalVars, "tests/integration/test_lists/waives.txt")
-
-    // Write diff to a temporary file to avoid shell escaping issues
-    writeFile file: 'diff_content.txt', text: diff
-
-    // Merge waive lists
-    sh """
-        python3 mergeWaiveList.py \
-        --cur-waive-list=waives_CUR_${env.gitlabCommit}.txt \
-        --latest-waive-list=waives_TOT_${targetBranchTOTCommit}.txt \
-        --diff-file=diff_content.txt \
-        --output-file=waives.txt
-    """
-    trtllm_utils.uploadArtifacts("waives*.txt", "${UPLOAD_PATH}/waive_list/")
-    echo "New merged test waive list: https://urm.nvidia.com/artifactory/${UPLOAD_PATH}/waive_list/waives.txt"
 }
 
 def preparation(pipeline, testFilter, globalVars)