[jira] (MNG-5521) Merge plugin lifecycle execution with actual build

["Sander Verhagen (JIRA)" <ji...@codehaus.org>]

Sander Verhagen created MNG-5521:
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             Summary: Merge plugin lifecycle execution with actual build
                 Key: MNG-5521
                 URL: https://jira.codehaus.org/browse/MNG-5521
             Project: Maven 2 & 3
          Issue Type: Improvement
    Affects Versions: 3.0.5
            Reporter: Sander Verhagen
            Priority: Minor


Plugins annotated with @Execute (org.apache.maven.plugins.annotations.Execute) will run a build for the specified lifecycle phase, regardless of anything previously executed. This is relevant when such plugin is defined within the lifecycle, but may even be relevant if the plugin is defined on the command-line following a lifecycle build (e.g.: mvn process-classes tomcat7:run).

This has two negative consequences:

1. Even if the build was already advanced to or past the specified lifecycle phase, a build for the specified lifecycle phase will be spun off which redoes the build for no good reason

2. While the build for the specified lifecycle phase is performed, it may undo any previous more advanced build. E.g. if the specified lifecycle phase is "compile", but the plugin is executed in the "test" phase, any results of the "process-classes" phase may be undone

An example of the problems caused with this can be found here: http://stackoverflow.com/questions/18965550/influence-the-lifecycle-execution-that-a-maven-plugin-executes-tomcat7run#comment28012573_18965550

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