sitedocs-extras/tycho-custom-bundle-plugin/src/it/unresolvable-custom-bundle/pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project>
	<modelVersion>4.0.0</modelVersion>

	<groupId>tycho-extras-its-project</groupId>
	<artifactId>unresolvable-custom-bundle</artifactId>
	<packaging>eclipse-plugin</packaging>
	<version>1.0.0-SNAPSHOT</version>

	<pluginRepositories>
		<pluginRepository>
			<id>tycho-snapshots</id>
			<url>${tycho-snapshots-url}</url>
			<releases>
				<enabled>true</enabled>
			</releases>
			<snapshots>
				<enabled>true</enabled>
			</snapshots>
		</pluginRepository>
	</pluginRepositories>

	<build>
		<plugins>
			<plugin>
				<groupId>org.eclipse.tycho</groupId>
				<artifactId>tycho-maven-plugin</artifactId>
				<version>${tycho-version}</version>
				<extensions>true</extensions>
			</plugin>

			<plugin>
				<groupId>org.eclipse.tycho</groupId>
				<artifactId>tycho-packaging-plugin</artifactId>
				<version>${tycho-version}</version>
				<configuration>
					<forceContextQualifier>123abc</forceContextQualifier>
				</configuration>
			</plugin>

			<plugin>
				<groupId>org.eclipse.tycho.extras</groupId>
				<artifactId>tycho-custom-bundle-plugin</artifactId>
				<version>${tycho-version}</version>
				<executions>
					<execution>
						<id>attached</id>
						<phase>package</phase>
						<goals>
							<goal>custom-bundle</goal>
						</goals>
						<configuration>
							<bundleLocation>${project.basedir}/custom</bundleLocation>
							<classifier>attached</classifier>
							<fileSets>
								<fileSet>
									<directory>${project.build.outputDirectory}</directory>
									<includes>
										<include>**/*.class</include>
									</includes>
								</fileSet>
							</fileSets>
						</configuration>
					</execution>
				</executions>
			</plugin>

			<plugin>
				<groupId>org.eclipse.tycho</groupId>
				<artifactId>tycho-p2-plugin</artifactId>
				<version>${tycho-version}</version>
				<executions>
					<execution>
						<id>attached-p2-metadata</id>
						<phase>package</phase>
						<goals>
							<goal>p2-metadata</goal>
						</goals>
					</execution>
				</executions>
			</plugin>
		</plugins>
	</build>
</project>