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@@ -1,4 +1,22 @@
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-#!/bin/bash
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+#!/usr/bin/env bash
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+
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+#
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+# Licensed to the Apache Software Foundation (ASF) under one or more
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+# contributor license agreements. See the NOTICE file distributed with
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+# this work for additional information regarding copyright ownership.
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+# The ASF licenses this file to You under the Apache License, Version 2.0
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+# (the "License"); you may not use this file except in compliance with
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+# the License. You may obtain a copy of the License at
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+#
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+# http://www.apache.org/licenses/LICENSE-2.0
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+#
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+# Unless required by applicable law or agreed to in writing, software
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+# distributed under the License is distributed on an "AS IS" BASIS,
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+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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+# See the License for the specific language governing permissions and
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+# limitations under the License.
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+#
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+
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if [ -z "$1" ]; then
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echo "Usage1: patch_from_baidu PATCHFILE (generated by 'git diff --no-prefix')"
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echo "Usage2: patch_from_baidu GIT_DIR COMMIT"
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