pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <artifactId>keycloak-parent</artifactId>
        <groupId>org.keycloak</groupId>
        <version>1.4.0.Final</version>
        <relativePath>../../../pom.xml</relativePath>
    </parent>

    <artifactId>keycloak-server-overlay</artifactId>
    <packaging>pom</packaging>
    <name>Keycloak Server Overlay Distribution</name>
    <description/>

    <dependencies>
        <dependency>
            <groupId>org.keycloak</groupId>
            <artifactId>keycloak-server-dist</artifactId>
            <type>zip</type>
        </dependency>
    </dependencies>

    <build>
        <finalName>keycloak-overlay-${project.version}</finalName>

        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-dependency-plugin</artifactId>
                <executions>
                    <execution>
                        <id>unpack-server-dist</id>
                        <phase>prepare-package</phase>
                        <goals>
                            <goal>unpack</goal>
                        </goals>
                        <configuration>
                            <artifactItems>
                                <artifactItem>
                                    <groupId>org.keycloak</groupId>
                                    <artifactId>keycloak-server-dist</artifactId>
                                    <type>zip</type>
                                    <outputDirectory>${project.build.directory}/unpacked</outputDirectory>
                                </artifactItem>
                            </artifactItems>
                        </configuration>
                    </execution>
                </executions>
            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-assembly-plugin</artifactId>
                <executions>
                    <execution>
                        <id>assemble</id>
                        <phase>package</phase>
                        <goals>
                            <goal>single</goal>
                        </goals>
                        <configuration>
                            <descriptors>
                                <descriptor>assembly.xml</descriptor>
                            </descriptors>
                            <recompressZippedFiles>true</recompressZippedFiles>
                            <finalName>${project.build.finalName}</finalName>
                            <appendAssemblyId>false</appendAssemblyId>
                            <outputDirectory>${project.build.directory}</outputDirectory>
                            <workDirectory>${project.build.directory}/assembly/work</workDirectory>
                            <tarLongFileMode>gnu</tarLongFileMode>
                        </configuration>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>

</project>