update

Signed-off-by: Weizhen Wang <[email protected]>

tools/check/check-bazel-prepare.sh

@@ -19,7 +19,8 @@
 #  -o pipefail: sets the exit code of a pipeline to that of the rightmost command to exit with a non-zero status,
 #       or to zero if all commands of the pipeline exit successfully.
 set -euo pipefail
-
+bazel version
+bazel clean
 before_checksum=`find . -type f \( -name '*.bazel' -o -name '*.bzl' \) -exec md5sum {} \;| sort -k 2`
 make bazel_prepare
 after_checksum=`find . -type f \( -name '*.bazel' -o -name '*.bzl' \) -exec md5sum {} \;| sort -k 2`