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Posted to issues@maven.apache.org by "Benjamin Bentmann (JIRA)" <ji...@codehaus.org> on 2010/11/07 23:35:03 UTC
[jira] Updated: (MNG-4885) Why incremental build is not supported
natively by Maven?
[ http://jira.codehaus.org/browse/MNG-4885?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Benjamin Bentmann updated MNG-4885:
-----------------------------------
Issue Type: New Feature (was: Bug)
> Why incremental build is not supported natively by Maven?
> ---------------------------------------------------------
>
> Key: MNG-4885
> URL: http://jira.codehaus.org/browse/MNG-4885
> Project: Maven 2 & 3
> Issue Type: New Feature
> Reporter: Vincenzo Mancini
>
> I have a multi-module project with two sub-modules. I compile and package it without mistakes. The build is complete. Then I make a change in one {{.java}} file in one of them. And now I'm trying to package the whole project again. Maven re-runs tests in both two modules, static code analysis in both modules, etc.
> Why so? It's a very ineffective way of building, as far as I understand. Maybe maven can introduce a mechanism of "dependency discovery" between files. Like:
> {noformat}
> foo.jar depends on:
> abc.java
> cde.java
> bar.jar depends on:
> xxx.java
> {noformat}
> When there is a change in {{cde.java}} only - maven SHOULD NOT do anything with {{bar.jar}}. This is how Unix {{make}} utility is working... Thanks.
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