tools/maven/assembly.xml

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<assembly xmlns="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.2" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
          xsi:schemaLocation="http://maven.apache.org/plugins/maven-assembly-plugin/assembly/1.1.2 http://maven.apache.org/xsd/assembly-1.1.2.xsd">
    <id>source</id>
    <formats>
        <format>zip</format>
    </formats>
    <fileSets>
        <!-- main project directory structure -->
        <fileSet>
            <directory>.</directory>
            <outputDirectory></outputDirectory>
            <useDefaultExcludes>true</useDefaultExcludes>
            <excludes>
                <!-- build output -->
                <exclude>%regex[(?!((?!${project.build.directory}/)[^/]+/)*src/).*${project.build.directory}.*]</exclude>

                <!-- NOTE: Most of the following excludes should not be required
                     if the standard release process is followed. This is because the
                     release plugin checks out project sources into a location like
                     target/checkout, then runs the build from there. The result is
                     a source-release archive that comes from a pretty clean directory
                     structure.

                     HOWEVER, if the release plugin is configured to run extra goals
                     or generate a project website, it's definitely possible that some
                     of these files will be present. So, it's safer to exclude them.
                -->

                <!-- IDEs -->
                <exclude>%regex[(?!((?!${project.build.directory}/)[^/]+/)*src/)(.*/)?maven-eclipse\.xml]</exclude>
                <exclude>%regex[(?!((?!${project.build.directory}/)[^/]+/)*src/)(.*/)?\.project]</exclude>
                <exclude>%regex[(?!((?!${project.build.directory}/)[^/]+/)*src/)(.*/)?\.classpath]</exclude>
                <exclude>%regex[(?!((?!${project.build.directory}/)[^/]+/)*src/)(.*/)?[^/]*\.iws]</exclude>
                <exclude>%regex[(?!((?!${project.build.directory}/)[^/]+/)*src/)(.*/)?\.idea(/.*)?]</exclude>
                <exclude>%regex[(?!((?!${project.build.directory}/)[^/]+/)*src/)(.*/)?out(/.*)?]</exclude>
                <exclude>%regex[(?!((?!${project.build.directory}/)[^/]+/)*src/)(.*/)?[^/]*\.ipr]</exclude>
                <exclude>%regex[(?!((?!${project.build.directory}/)[^/]+/)*src/)(.*/)?[^/]*\.iml]</exclude>
                <exclude>%regex[(?!((?!${project.build.directory}/)[^/]+/)*src/)(.*/)?\.settings(/.*)?]</exclude>
                <exclude>%regex[(?!((?!${project.build.directory}/)[^/]+/)*src/)(.*/)?\.externalToolBuilders(/.*)?]</exclude>
                <exclude>%regex[(?!((?!${project.build.directory}/)[^/]+/)*src/)(.*/)?\.deployables(/.*)?]</exclude>
                <exclude>%regex[(?!((?!${project.build.directory}/)[^/]+/)*src/)(.*/)?\.wtpmodules(/.*)?]</exclude>

                <!-- misc -->
                <exclude>%regex[(?!((?!${project.build.directory}/)[^/]+/)*src/)(.*/)?cobertura\.ser]</exclude>

                <!-- release-plugin temp files -->
                <exclude>%regex[(?!((?!${project.build.directory}/)[^/]+/)*src/)(.*/)?pom\.xml\.releaseBackup]</exclude>
                <exclude>%regex[(?!((?!${project.build.directory}/)[^/]+/)*src/)(.*/)?release\.properties]</exclude>
            </excludes>
        </fileSet>
        <fileSet>
            <directory>.</directory>
            <includes>
                <include>**/*.sh</include>
            </includes>
            <lineEnding>lf</lineEnding>
            <fileMode>755</fileMode>
        </fileSet>
        <!-- license, readme, etc. calculated at build time -->
        <fileSet>
            <directory>${project.build.directory}/maven-shared-archive-resources/META-INF</directory>
            <outputDirectory></outputDirectory>
        </fileSet>
    </fileSets>
</assembly>