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================================
Building Sqoop2 from source code
================================
This guide will show you how to build Sqoop2 from source code. Sqoop is using `maven <http://maven.apache.org/>`_ as build system. You you will need to use at least version 3.0 as older versions will not work correctly. All other dependencies will be downloaded by maven automatically. With exception of special JDBC drivers that are needed only for advanced integration tests.
Downloading source code
-----------------------
Sqoop project is using git as a revision control system hosted at Apache Software Foundation. You can clone entire repository using following command:
::
git clone https://git-wip-us.apache.org/repos/asf/sqoop.git sqoop2
Sqoop2 is currently developed in special branch ``sqoop2`` that you need to check out after clone:
::
cd sqoop2
git checkout sqoop2
Building project
----------------
You can use usual maven targets like ``compile`` or ``package`` to build the project. Sqoop supports one major Hadoop revision at the moment - 2.x. As compiled code for one Hadoop major version can't be used on another, you must compile Sqoop against appropriate Hadoop version.
::
mvn compile
Maven target ``package`` can be used to create Sqoop packages similar to the ones that are officially available for download. Sqoop will build only source tarball by default. You need to specify ``-Pbinary`` to build binary distribution.
::
mvn package -Pbinary
Running tests
-------------
Sqoop supports two different sets of tests. First smaller and much faster set is called **unit tests** and will be executed on maven target ``test``. Second larger set of **integration tests** will be executed on maven target ``integration-test``. Please note that integration tests might require manual steps for installing various JDBC drivers into your local maven cache.
Example for running unit tests:
::
mvn test
Example for running integration tests:
::
mvn integration-test
For the **unit tests**, there are two helpful profiles: **fast** and **slow**. The **fast** unit tests do not start or use any services. The **slow** unit tests, may start services or use an external service (ie. MySQL).
::
mvn test -Pfast,hadoop200
mvn test -Pslow,hadoop200