o adding plugin install

this is not the way i want the installing mechanism to work (i.e. copying
  the same class around ...) but folks want to install plugins so i'll just
  pop this in for now.


git-svn-id: https://svn.apache.org/repos/asf/maven/components/trunk@162997 13f79535-47bb-0310-9956-ffa450edef68

maven-plugins/maven-plugin-plugin/pom.xml

@@ -20,5 +20,25 @@
       <artifactId>maven-plugin-tools</artifactId>
       <version>2.0-SNAPSHOT</version>
     </dependency>
+    <dependency>
+      <groupId>maven</groupId>
+      <artifactId>maven-model</artifactId>
+      <version>2.0-SNAPSHOT</version>
+    </dependency>
+    <dependency>
+      <groupId>maven</groupId>
+      <artifactId>maven-core</artifactId>
+      <version>2.0-SNAPSHOT</version>
+    </dependency>
+    <dependency>
+      <groupId>maven</groupId>
+      <artifactId>maven-artifact</artifactId>
+      <version>2.0-SNAPSHOT</version>
+    </dependency>
+    <dependency>
+      <groupId>maven</groupId>
+      <artifactId>wagon-api</artifactId>
+      <version>1.0-alpha-1-SNAPSHOT</version>
+    </dependency>
   </dependencies>
 </project>

maven-plugins/maven-plugin-plugin/src/main/java/org/apache/maven/plugin/plugin/PluginInstallMojo.java

@@ -0,0 +1,68 @@
+package org.apache.maven.plugin.plugin;
+
+import org.apache.maven.artifact.Artifact;
+import org.apache.maven.artifact.DefaultArtifact;
+import org.apache.maven.artifact.installer.ArtifactInstaller;
+import org.apache.maven.artifact.repository.ArtifactRepository;
+import org.apache.maven.plugin.AbstractPlugin;
+import org.apache.maven.plugin.PluginExecutionRequest;
+import org.apache.maven.plugin.PluginExecutionResponse;
+import org.apache.maven.project.MavenProject;
+
+/**
+ * @goal install
+ *
+ * @description installs project's main artifact in local repository
+ *
+ * @parameter name="project"
+ * type="org.apache.maven.project.MavenProject"
+ * required="true"
+ * validator=""
+ * expression="#project"
+ * description=""
+ * @parameter name="installer"
+ * type="org.apache.maven.artifact.installer.ArtifactInstaller"
+ * required="true"
+ * validator=""
+ * expression="#component.org.apache.maven.artifact.installer.ArtifactInstaller"
+ * description=""
+ * @parameter name="localRepository"
+ * type="org.apache.maven.artifact.repository.ArtifactRepository"
+ * required="true"
+ * validator=""
+ * expression="#localRepository"
+ * description=""
+ * @prereq jar:jar
+ */
+public class PluginInstallMojo
+    extends AbstractPlugin
+{
+    public void execute( PluginExecutionRequest request, PluginExecutionResponse response )
+        throws Exception
+    {
+        MavenProject project = (MavenProject) request.getParameter( "project" );
+
+        ArtifactInstaller artifactInstaller = (ArtifactInstaller) request.getParameter( "installer" );
+
+        ArtifactRepository localRepository = (ArtifactRepository) request.getParameter( "localRepository" );
+
+        Artifact artifact = new DefaultArtifact( project.getGroupId(),
+                                                 project.getArtifactId(),
+                                                 project.getVersion(),
+                                                 project.getType() );
+
+        artifactInstaller.install( project.getBuild().getDirectory(), artifact, localRepository );
+
+        // ----------------------------------------------------------------------
+        // This is not the way to do this, but in order to get the integration
+        // tests working this is what I'm doing. jvz.
+        // ----------------------------------------------------------------------
+
+        Artifact pomArtifact = new DefaultArtifact( project.getGroupId(),
+                                                    project.getArtifactId(),
+                                                    project.getVersion(),
+                                                    "pom" );
+
+        artifactInstaller.install( project.getFile(), pomArtifact, localRepository );
+    }
+}