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Difference between revisions of "PTP/release engineering"

< PTP
(Modifying the build)
(Changing the dependency versions)
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=== Changing the dependency versions ===
 
=== Changing the dependency versions ===
  
The versions of dependent packages for each build job is determined by the top level <code>pom.xml</code> in repo for that build. Modify the versions specified by the entries in the <code>&lt;properties&gt;&lt;/properties&gt;</code> section of the <code>pom.xml</code>.
+
The versions of packages that are required for the build jobs is determined by the top level <code>pom.xml</code> in repo for that build. Modify the versions specified by the entries in the <code>&lt;properties&gt;&lt;/properties&gt;</code> section of the <code>pom.xml</code>.
  
 
=== Changing the version of CDT used to compile RDT ===
 
=== Changing the version of CDT used to compile RDT ===

Revision as of 12:29, 30 January 2012

Overview

PTP uses Hudson for nightly and release builds. Nightly builds will start if a change in the Git repository is detected. Release builds must be manually started (currently).

In order to modify the build configuration, you need to be an authorized user. Please contact Greg, Beth, or Vivian if you need this access.

There are three Hudson jobs associated with each build[1]. The jobs are:

ptp-photran-{nightly|release} 
This job builds the Photran project and generates a zip file containing a p2 repository.
ptp-{nightly|release} 
This job builds the PTP project and generates a zip file containing a p2 repository. The RDT server files and the proxy zip file is also generated.
ptp-master-{nightly|release} 
This job aggregates the Photran and PTP projects together to produce the final repository.

These jobs are linked together so that they run in this order (from top to bottom). E.g. if the ptp-photran-nightly job runs, it will start ptp-nightly when completed, which will in turn start ptp-master-nightly.

All the jobs use Maven to run the build. Maven requires a pom.xml file in each package (plugin or feature) as well as a pom.xml at the top of each project tree. The version numbers of the pom.xml files must be kept in sync with their corresponding feature and plugin version numbers.


  1. This is required because the Hudson Git plugin does not support building from multiple repositories.

Versions

Prior to a new release, the version numbers of various features/plugins must be updated to reflect the version of the build. In general, the version numbers of plugins not listed here should only be changed if the plugin has been modified.

There is now a script that will update the version numbers appropriately as follows:

  1. Obtain a copy of the update_versions script from the org.eclipse.ptp.master.git repository.
  2. Run the command "sh update_versions ptp-version photran-version" where ptp-version is the new version number for PTP, and photran-version is the new version number for Photran, e.g.
    • sh update_versions 3.0.1 5.0.1
    • The command will clone new copies of the photon, ptp, and ptp.master repos and update the versions appropriately
  3. When the command completes, change to fix_ptp_versions and check that the repos have be updated correctly.
  4. Commit and push the changes in each repo in turn using the commands:
    (cd org.eclipse.photran && git commit -m "Update PTP & Photran versions" && git push)
    (cd org.eclipse.ptp && git commit -m "Update PTP & Photran versions" && git push)
    (cd org.eclipse.ptp.master && git commit -m "Update PTP & Photran versions" && git push)
    
  5. Remove the fix_ptp_versions directory

The script should update the version number in the feature.xml for every feature and the pom.xml for every package. There are also a number of plugins that will have their plugin manifest files updated. The main pom.xml files in each repo will also be updated.

Build results

The nightly and release builds currently put their results in different locations. The results from each intermediate build step for all the hudson jobs are always available from the hudson build artifacts.

Release builds

On completion, a successful build will be located in /home/www/download.eclipse.org/tools/ptp/builds/M.N.S/YYYMMDDHHMM, where M.N.S is the version number of the release, and YYYYMMDDHHMM is the date and time stamp for the build. The build also updates the /home/www/download.eclipse.org/tools/ptp/builds/M.N.S/index.html file to include the new build.

Nightly builds

On completion, a successful build will be located in /home/www/download.eclipse.org/tools/ptp/builds/juno/nightly.

Modifying the build

Changing the dependency versions

The versions of packages that are required for the build jobs is determined by the top level pom.xml in repo for that build. Modify the versions specified by the entries in the <properties></properties> section of the pom.xml.

Changing the version of CDT used to compile RDT

  • Modify the cdtDist property in build.xml to point to the new version.
  • Modify the cdtCoreVersion property in org.eclipse.ptp.rdt.core.remotejars/build.xml to the new value of the org.eclipse.cdt.core plugin. This is generally the same as the CDT distribution I number without the "I", but not always, so it is good to check. e.g. if the CDT distribution is cdt-master-5.0.2.I200902130801.zip, then the cdtCoreVersion should be 5.0.2.200902130801.

Adding a new plugin or feature

For both plugins and features:

  • Add entries in org.eclipse.ptp.releng/maps/ptp.map for the plugin or the feature and all of its plugins
  • Add entries to the tag target element in build.xml to tag the plugin or the feature and its plugins

If a new feature is being added:

  • Add the new feature to the PTP master feature org.eclipse.ptp.master
  • Add the new feature to the update site in org.eclipse.ptp.releng/buildsite.xml

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