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https://issues.apache.org/jira/browse/FELIX-4512?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13997425#comment-13997425
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Julian Sedding commented on FELIX-4512:
---------------------------------------

Thanks for pushing to get this functionality into the bundle plugin.

I authored a similar plugin 
(https://github.com/code-distillery/baselining-maven-plugin) and would like to 
share some of the learnings:

* With regard to reporting, I think it would be useful to indicate the severity 
(major, minor, micro) for each delta. This is to cater for the use-case, where 
I want to avoid a major version change and need to identify the changes that 
force such an increment.
* {{failOnError}} proved insufficient to describe the desired behaviour for 
failing the build, instead the following seemed useful:
  {code}
  enforcement
    The enforcement allows controlling when the build should fail. Valid
    values are:
    - lowerAndUpperBound (default): Enforce that export versions are
      incremented as required but are not set to a higher value. Fails the
      build otherwise.
    - lowerBound: Enforce that export versions are incremented as required,
      but allows increments that are higher than necessary. Fails the build
      otherwise.
    - none: The output is purely informational. Never fails the build.
  {code}

> Add a new Mojo to invoke the BND Baseline tool
> ----------------------------------------------
>
>                 Key: FELIX-4512
>                 URL: https://issues.apache.org/jira/browse/FELIX-4512
>             Project: Felix
>          Issue Type: New Feature
>          Components: Maven Bundle Plugin
>    Affects Versions: maven-bundle-plugin-2.4.0
>            Reporter: Simone Tripodi
>            Assignee: Carsten Ziegeler
>             Fix For: maven-bundle-plugin-2.4.1
>
>         Attachments: FELIX-4512.1.patch, FELIX-4512.2.patch, 
> FELIX-4512.patch, Screen Shot 2014-05-13 at 11.49.44 PM.pdf
>
>
> The BND 2.2.0 library contains an extraordinary tool called 
> [Baseline|http://www.aqute.biz/Bnd/Versioning] (see Baselining paragraph) 
> that compares the public API of a bundle with the public API of another 
> bundle.
> It would be really useful to have this tool in the {{maven-bundle-plugin}} in 
> order to keep track of APIs modifications during development time.



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