seregamorph commented on issue #12646:
URL: https://github.com/apache/maven/issues/12646#issuecomment-5147170886
@gnodet, got it, thanks for the clarifications. Indeed, in Maven 4 this
extension is not needed anymore.
BTW, one more approach where to store the files is
`$HOME/.m2/local-repository/${projectName}_${directoryNameHash}`
The similar approach is used in IntelliJ IDEA - it stores project files
outside of the main project directory, and this way it can distinguish
different copies of the same project. The `${projectName}_` simplifies
directory navigation when you inspect caches, the hash suffix makes this
binding unique:
```
ls -1 ~/Library/Caches/JetBrains/IntelliJIdea2026.2/projects
maven-timeline-extension.c1ef30cd
maven-turbo-builder.a8735f92
server.3c4116a1
spring-test-smart-context.e026fed8
```
This approach solves both problems - the race condition (of
`$rootModule/target/project-local-repo`) and possible non-git ignored files (of
$rootModule/.mvn/project-local-repo``)
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