launch main/tests with debugging

[Sam Halliday]

Hi all,

I asked this on SO and it's gathering moss: http://stackoverflow.com/questions/26851495

I find it incredibly awkward to have to restart sbt with special flags if I want to run the tests (or a main) with debug enabled. It's also a pain if the main or test is usually in a forked JVM:

How to set fork in Test when -jvm-debug given on command line?

Is there any simple way to conditionally do a run, test, test-quick or test-only and ask for debugging to be enabled in the forked process? e.g. with syntax like test-only -jdb

I don't really want to have to write my own Tasks to do this... maintaining them is going to be a nightmare. But I guess that would allow syntax like module/jdb:test-only

[eugene yokota]

Just added an answer there:

> I don't think there's any simple feature that enables debugging out of the box.

> As you mentioned on sbt-dev list, making a custom configuration like 'debug:testOnly' sounds like a good strategy.

If you can implement an AutoPlugin that does this, I think we should accept it as a PR and merge it into our code base.

-eugene

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[Josh Suereth]

It's actualyl not too hard to add, although having a -debug option in the test input tasks seems like a nice idea.

For now, check out my answer: http://stackoverflow.com/questions/26851495/how-to-run-sbt-tests-with-debugging-enabled/28068751#28068751

That should get you up and running right now.

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[Sam Halliday]

Thanks both, I'll try to knock something up prior to the ensime 1.0 release and include it as part of our sbt plugin (next 6 months sometime ). Keep me posted if you add it to stock sbt.

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