Add warnings for the deprecated -Yscriptrunner
legacy scala
runner option instead of passing it to scalac
#1804
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Fixes #1721
Depends on #1801 (relies on some of the refactors from there)
Despite the
-Y
prefix,-Yscriptrunner
is actually ascala
runner option (and not ascalac
option) and thus will be covered as part of #1721.Up until now, Scala CLI has been assuming it's a
scalac
option and has been passing it to the compiler.However, the compiler doesn't know what to do with it.
With these changes, we'll be logging a reasonable warning about the option being deprecated and no longer supported in Scala CLI (it being the new
scala
runner). We'll no longer pass the option to the compiler, either.