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From "Tibor Digana (JIRA)" <j...@codehaus.org>
Subject [jira] (MNG-5540) Simplyfied form of overridden scope on transitive dependencies
Date Fri, 29 Nov 2013 09:35:45 GMT

    [ https://jira.codehaus.org/browse/MNG-5540?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=336517#comment-336517
] 

Tibor Digana commented on MNG-5540:
-----------------------------------

@Robert
Has Kristian published any thoughts about such feature?
Other feature which might by suitable would be Dependency Group.
I am facing some practical features which need to be designed once altogether.
+ overriding individual transitive dependency (change for scope or version)
+ overriding transitive dependencies by Dependency Group
+ inheriting Dependency Group into dependencies/dependencyManagement section
+ Multiple Scopes on (transitive) dependencies, e.g. runtime + test
                
> Simplyfied form of overridden scope on transitive dependencies
> --------------------------------------------------------------
>
>                 Key: MNG-5540
>                 URL: https://jira.codehaus.org/browse/MNG-5540
>             Project: Maven 2 & 3
>          Issue Type: New Feature
>          Components: Dependencies
>    Affects Versions: 3.1.1
>            Reporter: Tibor Digana
>            Priority: Critical
>
> I am thinking of a new feature since Maven's exclusion are two steps process in practice.
> In order to change the scope from compile to provided on transitive dependency you exclude
dependency via
> {code:xml}
> <dependencies>
>  <dependency>
>  ...
>  <exludes>
>   <exclude>
>    ... transitive dependency ...
>   </exclude>
>  </exludes>
>  </dependency>
> </dependencies>
> {code}
> Then put such transitive {{</dependency>}} with {{scope=provided}} which was excluded
above.
> {code:xml}
> <dependencies>
>  <dependency>
>  ...
>  <scope>provided</scope>
>  </dependency>
> </dependencies>
> {code}
> This is waste because you have to touch the exc.dependency twice and the POM xml is getting
huge.
> Maybe another syntax would simplify:
> {code:xml}
> <dependencies>
>  <dependency>
>   ...
>   <includes/>
>    <include/>
>      ... transitive dependency ...
>      <scope>provided</scope>
>    <include/>
>   <includes/>
>  </dependency>
> </dependencies>
> {code}
> Validation should fail if no such transitive dependency in includes section is specified
for the wrapping dependency.
> If the transitive dependency is specified in other sections or inherited, the scopes
should be merged.

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