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  • Andreas Höhmann 18:08 am Friday, 13. November 2009 Permalink |
    Tags: , , osgi, rcp, tycho   

    Build eclipse applications with maven 3 

    The  tool chain for building eclipse based applications with maven becomes better and better.

    Read here.

    I know 2 projects using maven to build eclipse plugins:

    Which project are there else?

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  • Andreas Höhmann 15:01 am Thursday, 3. September 2009 Permalink |
    Tags: maven 2, multiple versions, tycho   

    How to use multiple maven versions parallel 

    I need (two) different maven versions in my development system, a actual maven (2.2.1) for the „normal“ work and a tycho-maven for eclipse-osgi projects (i.e. m2eclipse).

    Setup maven installations

    The result should look like this:

    multiple_maven_installation

    multiple_maven_installation_tycho

    Configure maven installations

    The tycho maven in D:\maven-distro\maven-tycho\conf contains a settings-tycho.xml:

    <?xml version="1.0" encoding="UTF-8"?>
    <settings 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/xsd/settings-1.0.0.xsd">
      <localRepository>D:\maven-repos\maven-tycho</localRepository>
    </settings>
    

    and a settings.xml (this is the changed „standard“ maven configuration):

    <?xml version="1.0" encoding="UTF-8"?>
    <settings xmlns="http://maven.apache.org/settings/1.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
      xsi:schemaLocation="http://maven.apache.org/SETTINGS/1.0.0 http://maven.apache.org/xsd/settings-1.0.0.xsd">
      <profiles>
        <profile>
          <id>tycho-default</id>
          <repositories>
            <repository>
              <id>forge</id>
              <url> http://repository.sonatype.org/content/groups/public</url>
              <snapshots>
                <enabled>true</enabled>
              </snapshots>
              <releases>
                <enabled>true</enabled>
              </releases>
            </repository>
          </repositories>
          <pluginRepositories>
            <pluginRepository>
              <id>forge</id>
              <url> http://repository.sonatype.org/content/groups/public</url>
              <snapshots>
                <enabled>true</enabled>
              </snapshots>
              <releases>
                <enabled>true</enabled>
              </releases>
            </pluginRepository>
          </pluginRepositories>
        </profile>
      </profiles>
      <activeProfiles>
        <activeProfile>tycho-default</activeProfile>
      </activeProfiles>
    </settings>
    

    The standard maven in D:\maven-distro\maven-2.2.1\conf must not be changed. So this maven will use the default settings.xml and a user-settings from $HOME/.m2/settings.xml:

    <?xml version="1.0" encoding="UTF-8"?>
    <settings 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/xsd/settings-1.0.0.xsd">
      <localRepository>D:\maven-repos\maven</localRepository>
    </settings>
    

    Configure development environment

    I use cygwin under windows, so i can put the maven-tycho-alias into my ~/.bashrc:

    # Add maven-tycho to path 
    alias mvnTycho="tycho -s \"d:/maven-distro/maven-tycho/conf/settings-tycho.xml\""
    export PATH="/cygdrive/d/maven-distro/maven-tycho/bin":$PATH
    

    Usage

    hoehmann@foobar /bin
    $ mvnTycho --version
    Apache Maven 3.0-TYCHO-797695 (r797704; 2009-07-25 04:43:26+0200)
    Java version: 1.5.0_12
    Java home: d:\java\jdk1.5.0_12\jre
    Default locale: de_DE, platform encoding: Cp1252
    OS name: "windows xp" version: "5.1" arch: "x86" Family: "windows"
    
    hoehmann@foobar /bin
    $ mvn --version
    Apache Maven 2.2.0 (r788681; 2009-06-26 15:04:01+0200)
    Java version: 1.5.0_12
    Java home: d:\java\jdk1.5.0_12\jre
    Default locale: de_DE, platform encoding: Cp1252
    OS name: "windows xp" version: "5.1" arch: "x86" Family: "windows"
    

    With this i can run mvn for „normal“ maven projects, this will start maven 2.2.1 from maven-distro/maven/ and the repo will be at maven-repo/maven/.

    Or i can run mvnTycho for „osgi“ maven projects, this will start tycho from maven-distro/maven-tycho/ and the repo will be at maven-repo/maven-tycho/.

    You can do this with much more versions (2.0.1, 2.1.0, 2.2.0) and each maven will have a own repository.

    Try it 🙂

     
c
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