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From "Karl Heinz Marbaise (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MNG-6392) Add Project Settings .mvn/settings.xml
Date Thu, 12 Apr 2018 13:14:00 GMT

    [ https://issues.apache.org/jira/browse/MNG-6392?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16435530#comment-16435530
] 

Karl Heinz Marbaise commented on MNG-6392:
------------------------------------------

Can you give a use case example for this? I think going a way to put a {{settings.xml}} into
{{.mvn/settings.xml}} would run into the need to have a setup in every project which I don't
like and based on the large organisations I have worked at it is bad cause you can't sync
that correctly. Having a two possible location in particular {{$HOME/.m2/settings.xml}} in
particular things like passwords/keys for access to repository managers etc. which I would
like **NOT** to have inside the project (nor is this allowed in corporate environments)...
Based on your suggestions via `./mvnw verify` after the code has been checked out can cause
issues as well cause how should be downloaded the initial Maven for this? From where and by
using which credentials for access to repositories which is very often limited by using credentials
? 

> Add Project Settings .mvn/settings.xml
> --------------------------------------
>
>                 Key: MNG-6392
>                 URL: https://issues.apache.org/jira/browse/MNG-6392
>             Project: Maven
>          Issue Type: New Feature
>          Components: Bootstrap &amp; Build, Settings
>    Affects Versions: 3.5.3
>            Reporter: James Z.M. Gao
>            Priority: Major
>
> Maven originally have two settings slots, user and global. But the project need and should
have more ability to control how itself built by maven. Just follow the core-extension way,
we can add a new settings slot, project settings at 
>  
> {code:java}
> ${maven.multiModuleProjectDirectory}/.mvn/settings.xml{code}
>  
>  
> Then the settings merge order from high priority to low is
>  * project level
>  * user level
>  * global level
> This order is widely used in many projects such as git.
> In the project settings, we should always ignore some _personal local_ fields, including
localRepository, interactiveMode, offline and usePluginRegistry.
>  
> With this feature, many things become easy. When we developing multiply projects from
different organizations/companies/envrionments, the maven configurations may conflict, and
are annoying to manage (edit manually or use some switch scripts each time we switch the project
or environment). Another problem is when using some corp maven repositories or mirros for
bootstraping the team common root poms or core-extensions, the developers have to do some
setup actions. But the projects should be `mvn verify`-ed out of box.
>  
> Here is a [fast implementation via core-extension|https://github.com/gzm55/project-settings-maven-extension],
but this feature should woks before loading extensions.



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