Re: [DISCUSS] Fix for #12646 — moving project-loca l-repo out of target/

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> Just a note that if using the Source Module Hierarchy introduced by the
> Java module work in Maven 4, we effectively get this model.

Do you mean maven-compiler-plugin 4.0.0 (now beta)? As 3.15.0 behaves the
old way, as far as I can see on the timeline.

On Mon, Aug 3, 2026 at 6:32=E2=80=AFPM Martin Desruisseaux via dev <
[email protected]> wrote:

> Hello Sergey and all
>
> Omitting some emails fragment (the =E2=80=A6snip=E2=80=A6) for brevity:
>
> Le 03/08/2026 =C3=A0 18:07, Sergey Chernov a =C3=A9crit :
> > Maven historically executes commands like mvn clean install as a single
> > sequence of goals (=E2=80=A6snip=E2=80=A6).
> > Other build tools, like Gradle, do it a different way: for each
> "lifecycle"
> > (=E2=80=A6snip=E2=80=A6) it executes the requestested goals/lifecycles =
for all modules,
> > then goes to the next requested lifecycle.
> > So, the mvn clean install in this case would look like this:
> >
> >     - run clean lifecycle for all modules [optionally in parallel, but
> still
> >     only clean]
> >     - when the clean lifecycle is over, run default lifecycle [validate=
..
> >     install] for all modules
> >
> > IMO this behavior has advantages, but not sure it's compatible with e.g=
.
> -rf
> >   (--resume-from), or all kinds of CLI-executed maven goals (mvn
> plugin:goal
> > ).
> > Is this a considerable option? I know this may be too late for such a
> > drastic change, but this could be a possible solution as it eliminates
> the
> > race condition with cleaning target/ of the root module.
>
> Just a note that if using the Source Module Hierarchy introduced by the
> Java module work in Maven 4, we effectively get this model. This is
> because all Java modules declared in a Maven sub-project are compiled in
> a single Maven Compiler Plugin execution. Then all JAR files are created
> in a single Maven JAR Plugin execution, etc.
>
>      Martin
>
>
>
>
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