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[p2-dev] p2 mirror in Product Builds

Bonjour!

 

Have few questions regarding p2 mirror in Product Builds.

 

Context:

 

-          Same behavior on Eclipse 3.6.1 and 3.7.0M5

-          Created a new empty workspace (Target Platform is the default Eclipse Running Platform)

 

-          Created a simple dummy bundle (Bundle B) which only has 1 simple Import-Package: org.apache.tools.ant;resolution:=optional

 

-          Created a simple dummy product (Product P) which only includes the Bundle B in his list of plugins.

 

-          Created a copy of /org.eclipse.pde.build/templates/headless-build/build.properties and customized it appropriately (and added p2.gathering=true)

 

-          Called ${eclipse.pdebuild.scripts}/productBuild/productBuild.xml to build the Product P

 

-          This created the standard output:

o   buildRepo/

o   features/

o   I.TestBuild/

o   assemble.org.eclipse.pde.build.container.feature.all.xml

o   assemble.org.eclipse.pde.build.container.feature.p2.xml

o   assemble.org.eclipse.pde.build.container.feature.xml

o   final*.properties

o   package.org.eclipse.pde.build.container.feature.all.xml

o   package.org.eclipse.pde.build.container.feature.xml

 

-          The complete ouput in the buildRepo/plugins contains the following artifacts:

o   org.apache.ant_1.7.1.v20100518-1145 (** folder **)

o   bundle_A_1.0.0.201103031045.jar

o   org.eclipse.equinox.launcher_1.2.0.v20110124-0830.jar

o   org.eclipse.osgi_3.7.0.v20110124-0830.jar

 

-          My questions/concerns are regarding org.apache.ant artifact.  I understand why it has been mirrored, but my question is regarding the fact that it has been mirrored as a folder.  In fact, it has been mirrored from my Eclipse Install which has it as a folder since it has been “Installed/Provisioned”.  So the build is mirroring an “Installed” artifact to an IU in its original format (folder in this case).  And having folders in a consumable p2 repo could lead to the following issue when mirroring or provisioning thru http:

Installation failed.

       [exec] An error occurred while collecting items to be installed

       [exec]  session context was:(profile="" phase=org.eclipse.equinox.internal.p2.engine.phases.Collect, operand=, action="">

 [exec]  Artifact osgi.bundle,org.apache.ant,1.7.1.v20100518-1145 is a folder but the repository is an archive or remote location.



-          The mirror step in question is located in the generated assemble.org.eclipse.pde.build.container.feature.p2.xml and looks like this:

<p2.mirror>

                     <slicingOptions includeNonGreedy="false"        />

                     <source location="${p2.build.repo}"             />

                     <source location="file:/C:/e3.7M5/eclipse/configuration/../p2/org.eclipse.equinox.p2.engine/profileRegistry/EquinoxProvisioningUI.profile/" optional="true" kind="metadata"          />

                     <source location="file:/C:/e3.7M5/eclipse/configuration/org.eclipse.osgi/bundles/125/data/listener_1925729951/" optional="true" kind="metadata"          />

                     <source location="file:/C:/e3.7M5/eclipse/" optional="true" kind="artifact"       />

                     <source location="file:/C:/e3.7M5/eclipse/configuration/org.eclipse.osgi/bundles/125/data/listener_1925729951/" optional="true" kind="artifact"          />

                     <source location="file:/C:/e3.7M5/eclipse/p2/org.eclipse.equinox.p2.core/cache/" optional="true" kind="artifact"          />

                     <destination  location="${p2.build.repo}" kind="metadata"            />

       <destination  location="${p2.build.repo}" kind="artifact"            />

                     <iu id="product_P.product" version="1.0.0"             />

</p2.mirror>

 

-          Note that, if org.apache.ant is included in the list of plugins of Product P, then org.apache.ant will appear as a *jar* in buildRepo/plugins.

 

 

Question 1)

 

-          Should the mirror operation in the build be modified so it always output to a defined target p2 repo format (in this case, jar)?  Or is there a way to do it already? Or is there something that should be done differently?

 

 

Question 2)

 

-          Would it make sense to allow support of all <slicingOptions> in the above p2.mirror task from the build?  That way, the output p2 repo could avoid including optional dependencies (if not wanted).  Currently, it seems to only support includeNonGreedy="false" (hardcoded in /org.eclipse.pde.build/pdebuildsrc/org/eclipse/pde/internal/build/P2ConfigScriptGenerator.java line 303).

 

 

Thanks for your suggestions/help!

 

Regards,

Sébastien

 


 

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