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https://jira.codehaus.org/browse/MRESOURCES-155?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=287257#comment-287257
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Ittay Dror commented on MRESOURCES-155:
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Another alternative is to create a signature for both timestamp and the
filtering properties (e.g., create sha1 from heir string representation). then
put a file with this signature in the target folder. on build, if the signature
is different, re-run copy&filter and update the signature.
> Add an option to NOT copy resources if the source haven't changed, even
> though the filtering is ON
> --------------------------------------------------------------------------------------------------
>
> Key: MRESOURCES-155
> URL: https://jira.codehaus.org/browse/MRESOURCES-155
> Project: Maven 2.x Resources Plugin
> Issue Type: Improvement
> Components: copy, filtering
> Reporter: Liya Katz
>
> Coping resources during incremental build on big projects affects performance
> dramatically.
> It should be an option to stop coping filtered resources when the source is
> not newer than the target, just like in case of resources that were not
> filtered.
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