Question

I changed my Tycho+Maven build (RCP application) to use Tycho 0.13 and eclipse-repository plus tycho-p2-director-plugin (instead of my old “eclipse-application” in Tycho 0.10).
I managed to get the build working (producing the ZIP files), but they are 2 times bigger than they used to be.
I see Tycho puts a lot of additional stuff my product does not need:
1) “p2” folder at the root level – 35 Mb.
2) a lot of useless plugins, like

plugins/org.eclipse.jdt.debug_3.6.1.v20100715_r361
plugins/org.eclipse.pde.build_3.6.2.R36x_20110203
plugins/org.junit_4.8.1.v4_8_1_v20100427-1100
......etc.........

how to configure “eclipse-repository” and “tycho-p2-director-plugin” to avoid this? At least to not put “p2” folder in the product. My software does not use “p2 update” mechanism for auto-updates.

Answer 1

I ended up removing “archive-products” completely – it’s not flexible and requires a lot of horrible hacking with unpacking/repacking/renaming. I’m packing the ZIP files myself now:

<properties>
   <distributive.prefix>${project.build.directory}/products/taskadapter</distributive.prefix>
   <exclude_p2>**/p2/**</exclude_p2>
</properties>

<build>
    <plugins>
        <plugin>
            <groupId>org.eclipse.tycho</groupId>
            <artifactId>tycho-p2-director-plugin</artifactId>
            <version>${tycho.version}</version>
            <executions>
                <execution>
                    <id>materialize-products</id>
                    <goals>
                        <goal>materialize-products</goal>
                    </goals>
                </execution>
            </executions>
        </plugin>

        <plugin>
            <artifactId>maven-antrun-plugin</artifactId>
            <version>1.7</version>
            <executions>
                <execution>
                    <id>create-zip-files</id>
                    <phase>package</phase>
                    <configuration>
                        <target> 
                            <zip basedir="${distributive.prefix}/win32/win32/x86" 
                                 destfile="${project.build.directory}/taskadapter-win-${project.version}.zip"
                                 excludes="${exclude_p2}" />
                            <zip basedir="${distributive.prefix}/linux/gtk/x86" 
                                 destfile="${project.build.directory}/taskadapter-linuxgtk-${project.version}.zip"
                                 excludes="${exclude_p2}" />
                            <zip basedir="${distributive.prefix}/macosx/cocoa/x86" 
                                 destfile="${project.build.directory}/taskadapter-macos-${project.version}.zip"
                                 excludes="${exclude_p2}" />
                        </target>
                    </configuration>
                    <goals>
                        <goal>run</goal>
                    </goals>
                </execution>
            </executions>
        </plugin>
    </plugins>
</build>