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https://issues.apache.org/jira/browse/CALCITE-2905?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16851698#comment-16851698
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Vladimir Sitnikov commented on CALCITE-2905:
--------------------------------------------

[~julianhyde], I agree the release is tricky, so I have created a stub release 
environment: https://github.com/vlsi/asflike-release-environment

It starts Git server, SVN server (for emulating 
https://dist.apache.org/repos/dist/), and Nexus stub (for emulating 
https://repository.apache.org).

> Migrate build system to Gradle
> ------------------------------
>
>                 Key: CALCITE-2905
>                 URL: https://issues.apache.org/jira/browse/CALCITE-2905
>             Project: Calcite
>          Issue Type: Improvement
>    Affects Versions: 1.18.0
>            Reporter: Vladimir Sitnikov
>            Priority: Major
>
> Current build system has quirks, and it has well-known limitations.
>  
> For instance:
> 1) If you change code in "core" and or "linq4j" modules and you want to check 
> "cassandra", you need to "mvn install" those modules first otherwise 
> "cassandra" would use "core" from the local Maven repository
> 2) If you want to see how Calcite plays together with Drill, it has to be 
> multi-step as well. You can't just change some bits in Calcite and just 
> build/test Drill
> 3) Maven builds seem to be single-threaded by default. For instance, 
> checkstyle/forbiddenapis always goes before compile, and it does take time. I 
> happen to disable checkstyle for local checks.
> 4) Maven plugins are hard to write. You can't just have a pair of classes to 
> be used during the build.



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