Releasing Tycho

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This page describes the steps necessary to create releases of the Tycho project.

  • Prepare the Tycho/Release Notes which should provide a quick overview of new features and bug fixes
  • Steps below apply to both tycho and tycho-extras git repositories as these should normally be released together and with the same version
  • Update versions using
    mvn org.eclipse.tycho:tycho-versions-plugin:set-version -DnewVersion=...
  • Commit version change, and create a git tag tycho-<VERSION> (and tycho-extras-<VERSION> respectively) on this commit
  • Update versions (same as above) to next -SNAPSHOT development version and push commit to master branch
  • Make sure you have everything setup (GPG installed!) for deploying to the Nexus OSS repository, see guide
  • Add your credentials for server <OSS_ID> in ~/.m2/settings.xml
  • Sync to release commit and deploy to nexus staging repository:
    mvn clean deploy -Prelease -DforgeReleaseId=<OSS_ID> -DforgeReleaseUrl=https://oss.sonatype.org/service/local/staging/deploy/maven2/
  • Close the staging repository and announce the temporary stage URL on tycho-user@eclipse.org:
    Subject: please test staged tycho <VERSION>

    Tycho milestone release <VERSION> has been staged. For details of new features and bugfixes, see release notes [1].
    Please help by testing the staged milestone build. To use it, change your tycho version to <VERSION> and add snippet [2] to your pom.

    We plan to promote this release in one week unless major regressions are found.

    Regards,
    Tycho team

    [1] http://wiki.eclipse.org/Tycho/Release_Notes/<VERSION>
    [2]
    <pluginRepositories>
     <pluginRepository>
      <id>tycho-staged</id>
      <url><NEXUS_OSS_STAGING_URL></url>
     </pluginRepository>
    </pluginRepositories>
  • Generate site docs for both tycho and tycho-extras using mvn clean install site site:stage and check the result in to tycho homepage site docs
  • After ~1 week of testing, promote the stage repository on https://oss.sonatype.org/
    • Only drop the staging repository once the artifacts have reached Maven central.
  • Push the release tags to git: git push origin --tags
  • Browse the Tycho wiki pages to update any hardcoded tycho versions to the latest version
  • Update tycho-demo projects to the latest release
  • Find out who contributed to the release: git log --pretty=format:%an tycho-0.<n>..tycho-0.<n+1> | sort | uniq
  • Announce the release on tycho-user@eclipse.org, tycho-dev@eclipse.org, thanking the contributors:

Subject: Tycho milestone <n> released

Tycho milestone <n> has been released and is available from maven central.

See the release notes [1] for details of enhancements and bug fixes in this release.

Thanks to

<contributors>

who contributed patches for this release.

And thanks and to everyone who helped us with testing the staged version.

Regards, Tycho team

[1] http://wiki.eclipse.org/Tycho/Release_Notes/<n>