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Does anyone know off the top of their head what the `sbt` `--zinc-cache-dir` flag is used for? It seems to point at a dir which gets populated with a single jar file called compiler-interface with some `xsbt`-namespaced classes in it…

Oh, /me reads a comment which describes it

Can someone flesh out <https://github.com/pantsbuild/pants/issues/6155> with a little detail, if they know it? AFAICT we’d need to release a jar per {scala version, zinc version, compiler-interface version, compiler-bridge version} combination. Looks like scala version and compiler bridge are tied, but that’s still three variables…

hm, i'm misunderstanding something... those tools are all fetched via ivy before we begin the compile

i didn't think that was changing here...?

(although zinc-the-library supports doing network access to resolve them, our wrapper passes them in explicitly)

Yeah but I think scalac compiles the compiler interface on first run, no?

Something like that? It’s all very vague to me at this point

<@U06A03HV1> Does that oof mean you have enough context to fill in the ticket? :smile: