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Posted to issues@maven.apache.org by "geoff simpson (JIRA)" <ji...@codehaus.org> on 2007/07/06 10:22:13 UTC

[jira] Created: (MNG-3091) rebuild project speed

rebuild project speed
---------------------

                 Key: MNG-3091
                 URL: http://jira.codehaus.org/browse/MNG-3091
             Project: Maven 2
          Issue Type: Improvement
          Components: Bootstrap & Build
    Affects Versions: 2.0.7
            Reporter: geoff simpson
            Priority: Minor


When rebuilding a project (the clean flag not set) maven still runs all the unit tests and rebuilds all the artifacts. It would be much faster if it worked in a way similar to make/ant where the time stamp of the files was checked, if the files are not modified and the dependencies have not changed then the artifact should not be rebuild. This would speed up the build time especially for J2EE projects that have a lot of .ear files which each reference several other .war and .jar artifacts 

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[jira] Closed: (MNG-3091) rebuild project speed

Posted by "Brett Porter (JIRA)" <ji...@codehaus.org>.
     [ http://jira.codehaus.org/browse/MNG-3091?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Brett Porter closed MNG-3091.
-----------------------------

      Assignee: Brett Porter
    Resolution: Won't Fix

there are a number of open issues on the individual plugins that handle proper timestamp checking that can be tracked (eg. compiler, jar plugins). In addition, search for guarded mojo execution for an additional solution in the core that may be considered in the future

> rebuild project speed
> ---------------------
>
>                 Key: MNG-3091
>                 URL: http://jira.codehaus.org/browse/MNG-3091
>             Project: Maven 2
>          Issue Type: Improvement
>          Components: Bootstrap & Build
>    Affects Versions: 2.0.7
>            Reporter: geoff simpson
>            Assignee: Brett Porter
>            Priority: Minor
>
> When rebuilding a project (the clean flag not set) maven still runs all the unit tests and rebuilds all the artifacts. It would be much faster if it worked in a way similar to make/ant where the time stamp of the files was checked, if the files are not modified and the dependencies have not changed then the artifact should not be rebuild. This would speed up the build time especially for J2EE projects that have a lot of .ear files which each reference several other .war and .jar artifacts 

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[jira] Commented: (MNG-3091) rebuild project speed

Posted by "David Roussel (JIRA)" <ji...@codehaus.org>.
    [ http://jira.codehaus.org/browse/MNG-3091?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_101438 ] 

David Roussel commented on MNG-3091:
------------------------------------

I would like to have this too.

I guess this is currently assumed to be done one a per-plugin basis, currently?  Which means all plugins have to implement the same logic, so that's why it works for compile, but not for tests.

However, since each module only produces one artifact, which should be based only on it's sources (?) then as long as the artifact is more recent than then sources, then all plugins can be skipped.

To avoid this behaviour, just do a clean build.

> rebuild project speed
> ---------------------
>
>                 Key: MNG-3091
>                 URL: http://jira.codehaus.org/browse/MNG-3091
>             Project: Maven 2
>          Issue Type: Improvement
>          Components: Bootstrap & Build
>    Affects Versions: 2.0.7
>            Reporter: geoff simpson
>            Priority: Minor
>
> When rebuilding a project (the clean flag not set) maven still runs all the unit tests and rebuilds all the artifacts. It would be much faster if it worked in a way similar to make/ant where the time stamp of the files was checked, if the files are not modified and the dependencies have not changed then the artifact should not be rebuild. This would speed up the build time especially for J2EE projects that have a lot of .ear files which each reference several other .war and .jar artifacts 

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