[CI] Add retry and robust cleanup for removal (#5725)

* [CI] Add retry and robust cleanup for removal

* [CI] Ensure clean GPU memory by killing leftover processes

.github/workflows/_build_linux.yml

@@ -76,9 +76,27 @@ jobs:
             docker run --rm --net=host -v $(pwd):/workspace -w /workspace \
             -e "REPO_NAME=${REPO_NAME}" \
             ${docker_image} /bin/bash -c '
-              if [ -d ${REPO_NAME} ]; then
-                echo "Directory ${REPO_NAME} exists, removing it..."
-                rm -rf ${REPO_NAME}*
+              CLEAN_RETRIES=3
+              CLEAN_COUNT=0
+
+              while [ $CLEAN_COUNT -lt $CLEAN_RETRIES ]; do
+                echo "Attempt $((CLEAN_COUNT+1)) to remove ${REPO_NAME}* ..."
+                rm -rf "${REPO_NAME}"* || true
+                sleep 2
+
+                # Check if anything matching ${REPO_NAME}* still exists
+                if ! ls "${REPO_NAME}"* >/dev/null 2>&1; then
+                  echo "All ${REPO_NAME}* removed successfully"
+                  break
+                fi
+
+                CLEAN_COUNT=$((CLEAN_COUNT + 1))
+              done
+
+              if ls "${REPO_NAME}"* >/dev/null 2>&1; then
+                echo "ERROR: Failed to clean ${REPO_NAME}* after multiple attempts"
+                ls -ld "${REPO_NAME}"*
+                exit 1
               fi
             '