netty5/.github/scripts/build_affected_only.sh

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#!/bin/bash
# ----------------------------------------------------------------------------
# Copyright 2021 The Netty Project
#
# The Netty Project 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:
#
# https://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 -e
if [ "$#" -lt 2 ]; then
echo "Expected branch and maven arguments"
exit 1
fi
MODULES=$(git diff --name-only "$1" | cut -d '/' -f 1 | sort -u | sed -n -e 'H;${x;s/\n/,/g;s/^,//;p;}')
MAVEN_ARGUMENTS=${*:2}
if [ -z "$MODULES" ]; then
echo "No changes detected, skipping build"
exit 0
fi
echo "Changes detected, start the build"
echo "./mvnw -pl $MODULES -amd $MAVEN_ARGUMENTS"
./mvnw -pl "$MODULES" -amd "${@:2}"