maven/build.xml

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<!--

By default the bootstrap will use ~/.m2/repository as the integration repository but you can define the integration repository by 
specifying a property on the command line:

ant -Dmaven.repo.local=/my/integration/repository

Those familiar with Maven will note this is the same way the local repository can be set from the command-line. This facilitates
having a set of builds converge on the same repository for integration purposes.

TODO:
- Ant Tasks for Modello (generally useful and will greatly shorten the script)
- Ant Tasks for Plexus Component Descriptors (generally useful and will allow us to eliminate the hand-coded descriptors)

-->

<project default="all" basedir="." xmlns:artifact="urn:maven-artifact-ant">
  
  <property name="it.workdir.version" value="3.0.x"/>

  <target name="initTaskDefs">
  	<xmlproperty file="pom.xml" prefix="pom.xml" />
    <path id="maven-ant-tasks.classpath" path="maven-ant-tasks-2.1-SNAPSHOT.jar"/>
    <typedef resource="org/apache/maven/artifact/ant/antlib.xml" uri="urn:maven-artifact-ant" classpathref="maven-ant-tasks.classpath"/>
  </target>

  <target name="isMavenHomeSet" depends="initTaskDefs">
    <property environment="env"/>
    <condition property="maven.home" value="${env.M2_HOME}">
      <isset property="env.M2_HOME"/>
    </condition>
    <fail unless="maven.home" message="You must set the M2_HOME environment variable or specify a maven.home property to this Ant script"/>
  </target>

  <target name="init" depends="isMavenHomeSet">
    <xmlproperty prefix="pom" file="pom.xml"/>    
    <basename file="${maven.home}" property="maven.home.basename"/>
    <dirname file="${maven.home}" property="maven.home.dirname"/>
    <!-- Initialize properties -->
    <property name="maven.home.basename.expected" value="apache-maven-${pom.project.version}"/>
    <property name="maven.assembly" location="maven-distribution/target/${maven.home.basename.expected}-bin.zip"/>
    <property name="maven.repo.local" value="${user.home}/.m2/repository"/>
    <property name="surefire.useFile" value="true"/>    
    <echo>maven.home = ${maven.home}</echo>
  </target>

  <target name="clean-bootstrap" description="cleans up generated bootstrap classes">
    <delete dir="bootstrap"/>
  </target>

  <target name="pull" depends="init" unless="skip.pull">    
    <property name="verbose" value="false"/>    
    <!-- Pull the dependencies that Maven needs to build -->
    <copy file="pom.xml" tofile="dependencies.xml"/>
    <replace file="${basedir}/dependencies.xml" token="&lt;!--start--&gt;" value="&lt;!--"/>
    <replace file="${basedir}/dependencies.xml" token="&lt;!--end--&gt;" value="--&gt;"/>
    <artifact:pom file="${basedir}/dependencies.xml" id="pom"/>                                                                                                     
    <artifact:dependencies pathId="pom.pathid" filesetId="pom.fileset" verbose="${verbose}" useScope="compile">
       <localRepository path="${maven.repo.local}"/>
       <pom refid="pom"/>                                                                                                                                       
    </artifact:dependencies>      
    <delete file="${basedir}/dependencies.xml"/>
    
    <!-- Pull the dependencies for Modello -->
    <artifact:dependencies pathId="modello.pathid" filesetId="modello.fileset" verbose="${verbose}">
       <localRepository path="${maven.repo.local}"/>
       <dependency groupId="org.codehaus.modello" artifactId="modello-maven-plugin" version="1.0-alpha-20"/>
    </artifact:dependencies>
    
    <!-- Pull the dependencies for the MetadataGenerator CLI -->
    <artifact:dependencies pathId="pmdg.pathid" filesetId="pmdg.fileset" verbose="${verbose}">
       <localRepository path="${maven.repo.local}"/>
       <dependency groupId="org.codehaus.plexus" artifactId="plexus-component-metadata" version="1.0-beta-2-SNAPSHOT"/>
    </artifact:dependencies>          
    
  </target>

  <target name="generate-resources" depends="pull" description="generates plexus component metadata.">
    <mkdir dir="${basedir}/bootstrap/target"/>
    <mkdir dir="${basedir}/bootstrap/target/classes"/>
  	
    <path id="maven.classpath">
      <pathelement location="bootstrap/target/classes"/>
      <path refid="sources"/>    	
      <path refid="pmdg.pathid"/>
      <path refid="pom.pathid"/>
    </path>
  	
    <java fork="fork" classname="org.codehaus.plexus.metadata.PlexusMetadataGeneratorCli" failonerror="true">
      <classpath refid="maven.classpath"/>
      <arg value="--source"/>
      <arg value="${basedir}/bootstrap/target/generate-sources"/>
      <arg value="--classes"/>
      <arg value="${basedir}/bootstrap/target/classes"/>
      <arg value="--output"/>
      <arg value="${basedir}/bootstrap/target/classes/META-INF/plexus/components.xml"/>
    </java>
  </target>	
	
  <target name="generate-sources" depends="pull" description="generates Java sources from Modello mdo model files">
    <mkdir dir="bootstrap/target"/>
    <mkdir dir="bootstrap/target/generated-sources"/>

    <macrodef name="modello-single-mode">
      <attribute name="file"/>
      <attribute name="mode"/>
      <attribute name="version"/>
      <sequential>
        <java fork="fork" classname="org.codehaus.modello.ModelloCli" failonerror="true">
          <classpath refid="modello.pathid"/>
          <arg file="@{file}"/>
          <arg value="@{mode}"/>
          <arg file="bootstrap/target/generated-sources"/>
          <arg value="@{version}"/>
          <arg value="false"/>
        </java>
      </sequential>
    </macrodef>

    <macrodef name="modello">
      <attribute name="file"/>
      <attribute name="version" default="1.0.0"/>
      <sequential>
        <echo taskname="modello" message="Generating sources for @{file}"/>
        <modello-single-mode file="@{file}" version="@{version}" mode="java"/>
        <modello-single-mode file="@{file}" version="@{version}" mode="xpp3-reader"/>
        <modello-single-mode file="@{file}" version="@{version}" mode="xpp3-writer"/>
      </sequential>
    </macrodef>

    <modello file="maven-model/src/main/mdo/maven.mdo" version="4.0.0"/>
    <modello file="maven-lifecycle/src/main/mdo/maven-lifecycle.mdo"/>
    <modello file="maven-plugin-api/src/main/mdo/lifecycle.mdo"/>
    <modello file="maven-project/src/main/mdo/profiles.mdo"/>
    <modello file="maven-core/src/main/mdo/settings.mdo"/>
    <modello file="maven-toolchain/src/main/mdo/toolchains.xml"/>
  </target>

  <target name="compile-boot" depends="generate-sources" description="compiles the bootstrap sources">
    <path id="sources">
      <dirset dir=".">
        <include name="bootstrap/target/generated-sources"/>
        <include name="*/src/main/*"/>
        <include name="maven-reporting/maven-reporting-api/src/main/*"/>
        <exclude name="maven-core-it-verifier/**"/>
      </dirset>
    </path>

    <mkdir dir="bootstrap/target/classes"/>
    <javac destdir="bootstrap/target/classes" debug="${debug}">
      <src refid="sources"/>
      <classpath refid="pom.pathid"/>
    </javac>

    <!-- DGF generating a fake pom.properties so Maven thinks it has a version number -->
    <mkdir dir="bootstrap/target/classes/META-INF/maven/org.apache.maven/maven-core"/>
    <echo message="version=${pom.project.version}"
          file="bootstrap/target/classes/META-INF/maven/org.apache.maven/maven-core/pom.properties"/>

    <path id="maven.classpath">
      <pathelement location="bootstrap/target/classes"/>
      <path refid="sources"/>
      <path refid="pom.pathid"/>
    </path>
  </target>

  <target name="maven-compile" depends="compile-boot" description="compiles Maven using the bootstrap Maven, skipping automated tests">
    <java fork="true" classname="org.apache.maven.cli.MavenCli" failonerror="true">
      <classpath refid="maven.classpath"/>
      <arg value="-e"/>      
      <arg value="-B"/>
      <arg value="clean"/>
      <arg value="install"/>
      <arg value="-Dmaven.repo.local=${maven.repo.local}"/>
      <arg value="-Dsurefire.useFile=${surefire.useFile}"/>
    </java>
  </target>

  <target name="maven-assembly" depends="maven-compile" description="generates the Maven installation assembly using the bootstrap Maven">              
    <echo>
    The new Maven distribution was created as part of the MAVEN-COMPILE step, above. 
    This goal just validates the presence of that distribution.
    </echo>
    <condition property="build.failed">
      <not>
        <available file="${maven.assembly}"/>
      </not>
    </condition>
    <fail if="build.failed" message="Assembly task seemed to succeed, but couldn't find assembly file: ${maven.assembly}"/>
  </target>

  <target name="extract-assembly" depends="init,maven-assembly" description="extracts the maven assembly into maven.home">
    <echo>Extracting assembly to ${maven.home.dirname} ...</echo>
    <!-- If we are starting from scratch make sure the directory is created -->
    <delete dir="${maven.home}"/>
    <mkdir dir="${maven.home}"/>
    <unzip src="${maven.assembly}" dest="${maven.home.dirname}"/>
    <chmod perm="+x">
      <fileset dir="${maven.home}/bin">
        <include name="mvn"/>
      </fileset>
    </chmod>
  </target>
  
  <target name="its-setup">
    <condition property="its.win32">
      <os family="windows"/>
    </condition>
    <condition property="its.unix">
      <not>
        <os family="windows"/>
      </not>
    </condition>
  </target>
  
  <target name="its-win32" if="its.win32">
    <echo>Retrieving integration tests</echo>
    <exec dir="${basedir}/maven-integration-tests" executable="cmd">
      <arg value="/c"/>
      <arg value="${maven.home}\bin\mvn.bat"/>
      <arg value="initialize"/>
    </exec>
    
    <echo>Running integration tests</echo>
    <!-- Hard-coding to /tmp/ to avoid long path names that will make windows scream. -->
    <exec failonerror="true" dir="/tmp/maven-integration-tests-${it.workdir.version}" executable="cmd">
      <arg value="/c"/>
      <arg value="${maven.home}\bin\mvn.bat"/>
      <arg value="-Prun-its"/>
      <arg value="clean"/>
      <arg value="install"/>
    </exec>
  </target>

  <target name="its-unix" if="its.unix">
    <echo>Retrieving integration tests</echo>
    <exec dir="${basedir}/maven-integration-tests" executable="${maven.home}/bin/mvn">
      <arg value="initialize"/>
    </exec>
    
    <echo>Running integration tests</echo>
    <!-- Hard-coding to /tmp/ to avoid long path names that will make windows scream. -->
    <exec failonerror="true" dir="/tmp/maven-integration-tests-${it.workdir.version}" executable="${maven.home}/bin/mvn">
      <arg value="-Prun-its"/>
      <arg value="clean"/>
      <arg value="install"/>
    </exec>
  </target>

  <target name="run-its" depends="init,its-setup,its-win32,its-unix">
    <echo>Integration-test results should be displayed above.</echo>
  </target>
  
  <target name="all" depends="clean-bootstrap,init,extract-assembly"/>

  <target name="with-its" depends="all,run-its"/>
  
</project>