// packaging variable is jar

// pom definition

<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>
	<groupId>com.liferay.portal</groupId>
	<artifactId>portal-impl</artifactId>
	<name>Liferay Portal Impl</name>
	<version>@version@</version>
	<description>Contains implementation for the portal services.</description>
	<url>http://www.liferay.com</url>
	<developers>
		<developer>
			<id>brian.chan</id>
			<name>Brian Chan</name>
		</developer>
		<developer>
			<id>mika.koivisto</id>
			<name>Mika Koivisto</name>
		</developer>
		<developer>
			<id>thiago.moreira</id>
			<name>Thiago Moreira</name>
		</developer>
	</developers>
	<licenses>
		<license>
			<name>GNU Lesser General Public License</name>
			<url>http://www.gnu.org/licenses/lgpl-2.1.html</url>
			<distribution>repo</distribution>
		</license>
	</licenses>
	<scm>
		<connection>scm:svn:svn://svn.liferay.com/repos/public/portal/trunk/portal-impl</connection>
		<url>http://guest:guest@svn.liferay.com/repos/public/portal/trunk/portal-impl</url>
	</scm>
	<dependencies>
		<dependency>
			<groupId>com.liferay.portal</groupId>
			<artifactId>portal-service</artifactId>
			<version>@version@</version>
			<scope>provided</scope>
		</dependency>
		<dependency>
			<groupId>com.liferay.portal</groupId>
			<artifactId>util-bridges</artifactId>
			<version>@version@</version>
			<scope>provided</scope>
		</dependency>
		<dependency>
			<groupId>com.liferay.portal</groupId>
			<artifactId>util-java</artifactId>
			<version>@version@</version>
			<scope>provided</scope>
		</dependency>
	</dependencies>
</project>

execution from Ant

<exec dir="." executable="${maven.executable}" failonerror="true">
			<arg value="-U" />
			<arg value="gpg:sign-and-deploy-file" />
			<arg value="-DartifactId=${artifact.id}" />
			<arg value="-Dfile=${artifact.id}/${artifact.id}.${packaging}" />
			<arg value="-Dgpg.executable=${gpg.executable}" />
			<arg value="-Dgpg.keyname=${gpg.keyname}" />
			<arg value="-Dgpg.passphrase=${gpg.passphrase}" />
			<arg value="-DgroupId=com.liferay.portal" />
			<arg value="-Dpackaging=${packaging}" />
			<arg value="-DpomFile=tools/maven/${artifact.id}.pom" />
			<arg value="-DrepositoryId=${maven.repository.id}" />
			<arg value="-Durl=${maven.url}" />
			<arg value="-Dversion=${maven.version}" />
		</exec>

		<exec dir="." executable="${maven.executable}" failonerror="true">
				<arg value="-U" />
					<arg value="gpg:sign-and-deploy-file" />
					<arg value="-DartifactId=${artifact.id}" />
					<arg value="-Dfile=${artifact.id}/${artifact.id}-sources.${packaging}" />
					<arg value="-Dclassifier=sources" />
					<arg value="-DgeneratePom=false" />
					<arg value="-Dgpg.executable=${gpg.executable}" />
					<arg value="-Dgpg.keyname=${gpg.keyname}" />
					<arg value="-Dgpg.passphrase=${gpg.passphrase}" />
					<arg value="-DgroupId=com.liferay.portal" />
					<arg value="-Dpackaging=${packaging}" />
					<arg value="-DrepositoryId=${maven.repository.id}" />
					<arg value="-Durl=${maven.url}" />
					<arg value="-Dversion=${maven.version}" />
			</exec>