1[Hook Scripts] 2checkstyle_hook = ${REPO_ROOT}/prebuilts/checkstyle/checkstyle.py --sha ${PREUPLOAD_COMMIT} 3ktlint_hook = ${REPO_ROOT}/prebuilts/ktlint/ktlint.py -f ${PREUPLOAD_FILES} 4 5[Builtin Hooks] 6commit_msg_changeid_field = true 7commit_msg_test_field = true