Fixed groupid and added new show goal

maven-gitlog-plugin.iml

@@ -10,6 +10,11 @@
       <sourceFolder url="file://$MODULE_DIR$/target/generated-sources/plugin" isTestSource="false" />
       <sourceFolder url="file://$MODULE_DIR$/target/generated-sources/test-annotations" isTestSource="true" />
       <sourceFolder url="file://$MODULE_DIR$/target/generated-sources/annotations" isTestSource="false" />
+      <excludeFolder url="file://$MODULE_DIR$/target/classes" />
+      <excludeFolder url="file://$MODULE_DIR$/target/maven-archiver" />
+      <excludeFolder url="file://$MODULE_DIR$/target/surefire" />
+      <excludeFolder url="file://$MODULE_DIR$/target/surefire-reports" />
+      <excludeFolder url="file://$MODULE_DIR$/target/test-classes" />
     </content>
     <orderEntry type="inheritedJdk" />
     <orderEntry type="sourceFolder" forTests="false" />

pom.xml

@@ -3,9 +3,9 @@
          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>
 
-	<groupId>org.apache.maven.plugins</groupId>
+	<groupId>com.github.danielflower.mavenplugins</groupId>
 	<artifactId>maven-gitlog-plugin</artifactId>
-	<version>1.4.4-SNAPSHOT</version>
+	<version>1.4.5-SNAPSHOT</version>
 
 	<packaging>maven-plugin</packaging>
 	<name>Maven Git Log Plugin</name>

src/main/java/com/github/danielflower/mavenplugins/gitlog/ShowMojo.java

@@ -0,0 +1,41 @@
+package com.github.danielflower.mavenplugins.gitlog;
+
+import org.apache.maven.plugin.AbstractMojo;
+import org.apache.maven.plugin.MojoExecutionException;
+import org.apache.maven.plugin.MojoFailureException;
+
+import java.io.IOException;
+import java.util.Arrays;
+import java.util.List;
+
+/**
+ * Displays the git log in the maven build log.  Use the generate goal to generate reports.
+ *
+ * @goal show
+ */
+public class ShowMojo extends AbstractMojo {
+
+	public void execute() throws MojoExecutionException, MojoFailureException {
+
+		List<ChangeLogRenderer> renderers = Arrays.<ChangeLogRenderer>asList(new MavenLoggerRenderer(getLog()));
+		Generator generator = new Generator(renderers, Defaults.COMMIT_FILTERS, getLog());
+
+		try {
+			generator.openRepository();
+		} catch (IOException e) {
+			throw new MojoExecutionException("Error opening git repository.  Is this Maven project hosted in a git repository? " +
+					"No changelog will be generated.", e);
+		} catch (NoGitRepositoryException e) {
+			throw new MojoExecutionException("This maven project does not appear to be in a git repository, " +
+					"therefore no git changelog will be generated.");
+		}
+
+		try {
+			generator.generate("Git log");
+		} catch (IOException e) {
+			throw new MojoExecutionException("Error while generating changelog.  Some changelogs may be incomplete or corrupt.", e);
+		}
+	}
+
+
+}