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https://jira.codehaus.org/browse/CONTINUUM-1606?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Brett Porter updated CONTINUUM-1606:
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Fix Version/s: (was: Backlog)
1.5.0
> All modules are always rebuilt when using M2 with a hierarchical structure
> --------------------------------------------------------------------------
>
> Key: CONTINUUM-1606
> URL: https://jira.codehaus.org/browse/CONTINUUM-1606
> Project: Continuum
> Issue Type: Bug
> Components: Integration - Maven 2
> Affects Versions: 1.1
> Reporter: Julien S
> Priority: Critical
> Fix For: 1.5.0
>
> Attachments: continuum-1.2.patch, CONTINUUM-1606.patch,
> continuum.patch
>
>
> When using Maven2, the recommended directory structure for a multi-module
> build is hierarchical, e.g.:
> - pom.xml (parent pom of all modules)
> --- module1
> +-- pom.xml
> --- module2
> +-- pom.xml
> etc
> When using such a structure with continuum, if a change is committed in
> module28, then EVERY module will be rebuilt: indeed the parent pom will be
> rebuilt because the change is "under" its scm tree, and all the other modules
> will therefore we rebuilt because of a "dependencies change" on the parent
> pom. This can easily multiply the build time by a factor of 10 or 20.
> I have attached a patch. It considers that the parent has "changed" only if
> its pom.xml has changed. Not sure it is perfect, but it works for me (the
> patch has been tested (against continuum-1.1 and trunk). Feel free to rewrite
> or modify it as much as you like.
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