Plugin location in mavan

**
Warehouse location +groupid+artifactId
**

  <build>
    <plugins>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-source-plugin</artifactId>
            <version>2.1.2</version>
            <executions>
                <execution>
                    <id>attach-sources</id>
                    <phase>package</phase>
                    <goals>
                        <goal>jar</goal>
                    </goals>
                </execution>
            </executions>
        </plugin>

Position in

C:\Users\tangying1\.m2\repository\org\apache\maven\plugins\maven-source-plugin\2.1.2\maven-source-plugin-2.1.2.jar