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http://jira.codehaus.org/browse/MNG-4368?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=201674#action_201674
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Johannes Martin commented on MNG-4368:
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I don't think the problem Tamás is experiencing has anything to do with this
problem and the fix implemented.
The problem here was that install ALWAYS copied files to their destination. The
fix changed this to copy the files only if their timestamp is newer than the
destination's timestamp.
Tamás problem is that files are not copied even though their timestamp is newer
than the destiniation's (assuming that "do build" means "mvn clean install").
> 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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