This page describes how to prepare Elastic Path source code for use by your project. The diagram below shows the steps.

You will need a working Java build environment on your local computer to prepare the source code.

1. Setup your build environment as described in the following sections of the Core Commerce 7.0.1 Developer Guide:
   1. Java 8 (JDK 1.8 64-bit) setup
   2. Maven 3.3.9 setup
   3. Configure your System Environment Variables

EP source is delivered in the following release package:

• Unzip the contents of the release package into your project source folder.

1. Add the following projects to source control: commerce-manager, commerce-engine, cortex-ep-integration, devops and extensions. (Note: the commerce-data project is included in the release package for reference and doesn't need to be added to source control.
   Tip:

   Previously the common practice had been to add each project to source control as a separate repository. Recently, a number of project teams have found it to be more effective to have all projects in a single repository as this simplifies commits and builds across multiple projects.

   The rational for using multiple repositories was that different upgrade strategies were needed for different projects. A newer upgrade strategy has emerged that works with a single repository and is being adopted as a standard practice.

   Tip:

   If you are using Git, line endings need to be converted to LF on input.

   The command to configure this is:

   git config --global core.autocrlf input

2. Create a development branch for each repository. The branch name depends on your SCM and branch naming conventions.

If you have committed all source projects to a single repository (see previous section) you will probably want a POM at the repository root that acts as a build driver for all sub-projects so you can build the system with a single Maven command.

Here is a sample POM that works without requiring modifications to any of the sub-projects.

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <parent>
        <groupId>com.elasticpath</groupId>
        <artifactId>grandparent</artifactId>
        <version>100</version>
    </parent>

    <groupId>com.elasticpath</groupId>
    <artifactId>commerce-build</artifactId>
    <packaging>pom</packaging>

    <name>Commerce Global Build POM</name>
    <version>0.0.0-SNAPSHOT</version>

    <!-- Reactor for development builds -->
    <modules>
        <module>commerce-engine</module>
        <module>cortex-ep-integration</module>
        <module>commerce-manager/cm-invoker</module>
        <module>extensions</module>
    </modules>
	
    <profiles>
        <!-- Profile to build deployment package at end of reactor -->
        <profile>
            <id>deployment-package</id>
                <modules>
                    <module>extensions/packager/ext-deployment-package</module>
                </modules>
        </profile>
		
        <!-- Profile to be activated in IDE so that CM plugins are recognized -->
        <profile>
            <id>ide-cm-plugins</id>
                 <modules>
                     <module>commerce-manager</module>
                     <module>extensions/cm</module>
                 </modules>
       </profile>		
    </profiles>

</project>

The extensions project you just added to source control has a maven/settings.xml the project teams will use.

1. Replace the <mirror> <url> at the the top of the file with the <Project> EP Repository Group URL documented during Setup Maven Repository.
2. Make any changes required for your project environment.
3. Commit the changes to source control.
4. Copy the settings.xml to your ${user.home}/.m2 directory.

EP release packages contain projects with RELEASE versions. Prior to starting development, the projects must be reversioned to SNAPSHOT versions using scripts provided in the devops project.

To reversion projects for development:

Once you have the release package built and running without issue, apply any patches available for Elastic Path Commerce. To apply a patch:

• All EP projects added to source control
• Projects have development branches with SNAPSHOT versions
• extensions/maven/settings.xml is configured correctly for local development