Fix the broken rename-netty-native-libs.sh script (apache#8598)

*Motivation*

The script was broken after we upgraded the `netty-tc-native` version to `2.0.33.Final`.

This change fixes the script to make sure it is able to run on MacOS.

.github/workflows/ci-build-multi-os.yaml

@@ -0,0 +1,76 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you 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.
+#
+
+name: CI - Build - Multiple - OS
+on:
+  pull_request:
+    branches:
+      - master
+  push:
+    branches:
+      - branch-*
+
+env:
+  MAVEN_OPTS: -Dmaven.wagon.httpconnectionManager.ttlSeconds=25 -Dmaven.wagon.http.retryHandler.count=3
+
+jobs:
+
+  build:
+    name:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+    timeout-minutes: 120
+
+    steps:
+      - name: Cancel Previous Runs
+        uses: styfle/[email protected]
+        with:
+          access_token: ${{ github.token }}
+
+      - name: checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 25
+          ref: ${{ github.event.pull_request.head.sha }}
+
+      - name: Check if this pull request only changes documentation
+        id:   docs
+        uses: apache/pulsar-test-infra/diff-only@master
+        with:
+          args: site2 deployment .asf.yaml .ci ct.yaml
+
+      - name: Cache local Maven repository
+        if: steps.docs.outputs.changed_only == 'no'
+        uses: actions/cache@v2
+        with:
+          path: ~/.m2/repository
+          key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
+          restore-keys: |
+            ${{ runner.os }}-maven-
+      - name: Set up JDK 1.8
+        uses: actions/setup-java@v1
+        if: steps.docs.outputs.changed_only == 'no'
+        with:
+          java-version: 1.8
+
+      - name: build package
+        if: steps.docs.outputs.changed_only == 'no'
+        run: mvn clean install -DskipTests

src/rename-netty-native-libs.sh

@@ -32,7 +32,14 @@ FILES_TO_RENAME=(
 
 echo "----- Renaming epoll lib in $JAR_PATH ------"
 TMP_DIR=`mktemp -d`
-unzip -q $JAR_PATH -d $TMP_DIR
+CUR_DIR=$(pwd)
+cd ${TMP_DIR}
+# exclude `META-INF/LICENSE`
+unzip -q $JAR_PATH -x "META-INF/LICENSE"
+# include `META-INF/LICENSE` as LICENSE.netty.
+# This approach is to get around the issue that MacOS is not able to recognize the difference between `META-INF/LICENSE` and `META-INF/license/`.
+unzip -p $JAR_PATH META-INF/LICENSE > META-INF/LICENSE.netty
+cd ${CUR_DIR}
 
 pushd $TMP_DIR