Using Alternatives for MAVEN versions

MAVEN Alternatives

[rghio@localhost ~]$ su -

[root@localhost ~]$ alternatives --install /usr/bin/mvn mvn ${MAVEN_HOME_2}/bin/mvn 120

[root@localhost ~]$ alternatives --install /usr/bin/mvn mvn ${MAVEN_HOME_3}/bin/mvn 120

[root@localhost ~]$ alternatives --config mvn

There are 2 programs which provide 'mvn'.

  Selection    Command
-----------------------------------------------
*+ 1           /opt/apache-maven-2.2.1/bin/mvn
   2           /opt/apache-maven-3.0.4/bin/mvn

[rghio@localhost ~]$ mvn --version
Apache Maven 2.2.1 (r801777; 2009-08-06 16:16:01-0300)
Java version: 1.7.0_11
Java home: /usr/java/jdk1.7.0_11/jre
Default locale: en_US, platform encoding: UTF-8
OS name: "linux" version: "3.7.4-204.fc18.x86_64" arch: "amd64" Family: "unix"

[root@localhost ~]$ alternatives --config mvn

There are 2 programs which provide 'mvn'.

  Selection    Command
-----------------------------------------------
*+ 1           /opt/apache-maven-2.2.1/bin/mvn
   2           /opt/apache-maven-3.0.4/bin/mvn

Enter to keep the current selection[+], or type selection number: 2

[root@localhost ~]$ mvn --version
Apache Maven 3.0.4 (r1232337; 2012-01-17 05:44:56-0300)
Maven home: /opt/apache-maven-3.0.4
Java version: 1.7.0_11, vendor: Oracle Corporation
Java home: /usr/java/jdk1.7.0_11/jre
Default locale: en_US, platform encoding: UTF-8
OS name: "linux", version: "3.7.4-204.fc18.x86_64", arch: "amd64", family: "unix"