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{{M2E}}
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[https://www.eclipse.org/m2e/documentation/m2e-development-environment.html This page is now here]
 
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== Development environment setup ==
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Download and unpack Eclipse latest SDK Kepler build from http://download.eclipse.org/eclipse/downloads/ . The instructions below assume fresh/clean Eclipse installation.
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Install m2e 1.4 or newer from http://download.eclipse.org/technology/m2e/releases .
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Clone m2e-core repository. Committers should use ssh://YOUR_COMMITTERID@git.eclipse.org:29418/m2e/m2e-core. For other ways to access m2e git repository, including read-only anonymous access see https://git.eclipse.org/r/#/admin/projects/m2e/m2e-core
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Import m2e-core as existing maven project. Follow onscreen instructions, allow m2e to install additional software and restart eclipse when requested. Give Eclipse some time to update project configuration after restart. You may need to do Project/Clean.../Clean_all_projects to clear all compilation errors.
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Clone m2e-core-tests repository. Developers should use git@github.com:tesla/m2e-core-tests.git. See https://github.com/tesla/m2e-core-tests for other ways to clone m2e-core-tests repository.
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Import m2e-core-tests as existing maven project.
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== Running m2e automated regressions tests from Eclipse ==
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Add the following memory configuration parameters to JVM startup options
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  -XX:MaxPermSize=256m -Xmx1G
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Use JUnit_Plug-in_Tests launch configuration type to run/debug m2e automated regressions tests from Eclipse.
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Caveat. ProjectRegistryManagerTest#testEnvironmentVariablesConsidered requires TEMP environment variable to be set and is expected to failed when run from Eclipse. The test is expected to pass on command line (see instructions below).
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== Building m2e on command line ==
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Building m2e on command line is a two step process, both performed from root of m2e-core checkout directory
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First, you need to *install* m2e maven runtime to local maven repository
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  mvn clean install -f m2e-maven-runtime/pom.xml
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Then, package m2e update site
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  mvn clean package
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The repository is created under org.eclipse.m2e.site/target/repository directory.
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== Running m2e automated regression tests on command line ==
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To run m2e automated regression tests, execute the following common from m2e-core-tests checkout directory
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  mvn clean integration-test -Puts,its -Dm2e-core.url=file://<full-path-to-m2e-repository>
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== Submitting patches ==
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m2e only accepts changes contributed via Gerrit. Here is the wiki that explains how to use it http://wiki.eclipse.org/Gerrit . Good luck.
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According to [http://www.eclipse.org/legal/EclipseLegalProcessPoster.pdf eclipse legal poster], all contributors must have signed Eclipse CLA and their bugzilla email and git commit author must match (otherwise Eclipse git server refuses contribution).
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[[Category:M2E]]
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Latest revision as of 07:25, 14 November 2014

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