Maven Release Plugin will prompt for each project's version.

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You need to pass the -N flag to Maven and configure the Release Plugin to pass the -N flag on its forked builds with the -Darguments flag.

Here's an example:

mvn -N -Darguments=-N release:prepare
mvn -N -Darguments=-N release:perform

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Add a server-entry to your settings.xml, where you define your credentials (see settings.xml#servers for more details). Since you can't set an id for the scm in your pom.xml, you should add a property pointing to the server-id.

  <project>
   ...
    <properties>
      <project.scm.id>my-scm-server</project.scm.id>
    </properties>
  </project>

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By default the plugin will prefix the comment with [maven-release-plugin]. You can change this by adding -DscmCommentPrefix=#42 to the Maven command.

If you need to end this with a linebreak, add ${line.separator}.

If the comment prefix contains whitespace characters, surround the argument with quotes.

When using the plugin-configuration, you can't end with a space, because Plexus will trim the content. But you can end with a linebreak just like the example below:

  <configuration>
    <scmCommentPrefix>#42${line.separator}</scmCommentPrefix>
    ...
  </configuration>

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If the pom.xml has no scm-section but inherits one from its parent, the prepare goal will fail when trying to tag. The message will be something like:

svn: Path '...' does not exist in revision ...

To fix it, roll-back the release, add the scm section to the pom.xml, commit and retry the release.

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