First part was to "reverse" MavenCli into CLIng, that also became a huge and complex beast. Now, sanitization comes, tearing down unneeded stuff. CLIng should be simple and straightforward.
Now the **invoker** fully parses args, creates Maven instance (ie. local, using Maven components on classpath) and invokes Maven. The new **executor** in turn does NOT fully parses args and is logical equivalent of maven-invoker.
Changes:
* radically simplify CLIng existing classes (and especially API - the fact we have "local", "resident" etc invoker is actually implementation detail).
* introduce "executor", a "lower level" tool that does not parse args (and is logical equivalent of maven-invoker) and support Maven 4.x and Maven 3.x.
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https://issues.apache.org/jira/browse/MNG-8375
Detach maven-cli from maven-embedder (deprecated). Basically, classes are copied from embedder to cli, while embedder points to old classes and cli to new classes. **One important exception is logging**: the classes are _moved_ to cli, and embedder modified to use those classes (and dependency reversed: embedder now depends on cli). Reason is Verifier, that still calls into "hack method" of deprecated MavenCli, and then without logging classes move would explode due casting.
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https://issues.apache.org/jira/browse/MNG-8332
Tamas Cservenak
Guillaume Nodet