src/it/projects/reproducible/pom.xml

<?xml version="1.0" encoding="UTF-8"?>
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<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/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <parent>
    <groupId>org.apache.maven.plugin.assembly.test</groupId>
    <artifactId>it-project-parent</artifactId>
    <version>1</version>
  </parent>

  <groupId>org.apache.maven.its</groupId>
  <artifactId>reproducible</artifactId>
  <version>1.0</version>

  <name>Test for reproducibility of assembly archives</name>

  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <project.build.outputTimestamp>2019-08-21T18:28:52Z</project.build.outputTimestamp>
  </properties>

  <build>
    <plugins>
      <plugin>
        <artifactId>maven-assembly-plugin</artifactId>
        <configuration>
          <tarLongFileMode>posix</tarLongFileMode>
          <descriptors>
            <descriptor>src/assemble/src.xml</descriptor>
          </descriptors>
          <archive>
            <manifest>
              <!-- remove default entries since it contains "Created-By: Maven Source Plugin <current plugin version>"
                   which varies over time in this IT -->
              <addDefaultEntries>false</addDefaultEntries>
            </manifest>
          </archive>
        </configuration>
      </plugin>
      <plugin>
        <artifactId>maven-deploy-plugin</artifactId>
        <version>2.8.2</version>
        <configuration>
          <!-- Deployments will be written to ${basedir}/target -->
          <altDeploymentRepository>mine::default::file://${basedir}/target/repo</altDeploymentRepository>
        </configuration>
      </plugin>
    </plugins>
  </build>

</project>