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Posted to issues@maven.apache.org by "Brett Porter (JIRA)" <ji...@codehaus.org> on 2009/12/07 23:16:55 UTC

[jira] Issue Comment Edited: (MNG-4368) DefaultArtifactInstaller should only overwrite files if timestamp has changed

    [ http://jira.codehaus.org/browse/MNG-4368?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=201617#action_201617 ] 

Brett Porter edited comment on MNG-4368 at 12/7/09 4:16 PM:
------------------------------------------------------------

Even if this is reverted, the above will run into problems if you don't do a complete rebuild every time you switch branches. I would advocate renaming the version on your branches (using the versions plugin, or created with release:branch, for example), if they are not actually the same development version of things.

However, an option to force installation would be a helpful thing to add.

      was (Author: brettporter):
    Even if this is reverted, the above will run into problems if you don't do a complete rebuild every time you switch branches. I would advocate renaming the version on your branches (using the versions plugin, or created with release:branch, for example), if they are not actually the same development version of things.
  
> DefaultArtifactInstaller should only overwrite files if timestamp has changed
> -----------------------------------------------------------------------------
>
>                 Key: MNG-4368
>                 URL: http://jira.codehaus.org/browse/MNG-4368
>             Project: Maven 2
>          Issue Type: Improvement
>         Environment: Linux, JDK 1.5
>            Reporter: Johannes Martin
>             Fix For: 2.2.2, 3.0-alpha-3
>
>
> install:install (from maven-install-plugin) by default uses DefaultArtifactInstaller to install artifacts. DefaultArtifactInstaller in turn uses FileUtils.copyFile(), thereby overwriting destination files even if they are unchanged. It would be helpful if DefaultArtifactInstaller used FileUtils.copyFileIfModified() instead, at least as an option, to speed up the build process.

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