[pre-commit] make pre-commit a single pipeline (#43469)

tools/codestyle/pre_commit.sh

+# Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
+# 
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set +x
+
+# use pre-commit 2.17
+if ! [[ $(pre-commit --version) == *"2.17.0"* ]]; then
+    pip install pre-commit==2.17.0 1>nul
+fi
+
+diff_files=$(git diff --numstat ${BRANCH} | awk '{print $NF}')
+echo -e "diff files between pr and ${BRANCH}:\n${diff_files}"
+
+echo "Checking code style by pre-commit ..."
+pre-commit run --files ${diff_files};check_error=$?
+
+if test ! -z "$(git diff)"; then
+    echo -e '\n************************************************************************************'
+    echo -e "These files have been formated by code format hook. You should use pre-commit to \
+format them before git push."
+    echo -e '************************************************************************************\n'
+    git diff 2>&1
+fi
+
+echo -e '\n***********************************'
+if [ ${check_error} != 0 ];then
+    echo "Your PR code style check failed."
+else
+    echo "Your PR code style check passed."
+fi
+echo -e '***********************************\n'
+
+exit ${check_error}