ReleasingToMavenCentral

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Maven projects based on the discovery-parent-pom should not follow the instructions below, but instead look at the Building and Release sections of this README.

Walkthrough

Shove ReleasingToMavenCentral/Paranoid.xml into ~/.m2/paranoid.xml
cd your_project
mvn release:prepare
git push --tags gerrit
mvn release:perform
git review
Force everything through gerrit +2/+2
Do the sonatype stuff over at https://oss.sonatype.org/
git checkout <tag version that mvn release:prepare made>
rm -rf ~/.m2/repository_backup; mv ~/.m2/repository ~/.m2/repository_backup
mvn clean install -s ~/.m2/paranoid.xml
Make sure you have Archiva configured
1. In ~/.m2/settings.xml
2. In your project's pom.xml
mvn deploy

What can go wrong

git push --tags

If you don't have permission to push tags you'll need to get it granted.

mvn release:perform

If Sonatype gives you HTTP 401s, check your settings file.

~/.m2/settings.xml:

<settings>
  <servers>
    <server>
      <id>sonatype-nexus-staging</id>
      <username>MY_USERNAME</username>
      <password>MY_PASSWORD</password>
    </server>
  </servers>
</settings>

git review

If you never installed the Change-Id-generating commit hook, you'll need to install it, then go back and generate some Change-Ids.

 gitdir=$(git rev-parse --git-dir); scp -p -P 29418 MY_USERNAME@gerrit.wikimedia.org:hooks/commit-msg ${gitdir}/hooks/

 git rebase -i HEAD~2

Change pick to edit, and continue as usual.

mvn clean install -s ~/.m2/paranoid.xml

If one of your dependencies is missing, you'll have to upload those to Archiva's mirrored repository. Make sure that the checksums you have agree with those on http://search.maven.org/