If one declares -Dtest=12345 ... and then looks for cfg.requireString .. then we get
knobs.KeyError: No such key: test
but that is misleading .. it should be something like ... knobs.KeyError: Key
test` exists but isn't a String' .. because that is what happens .. cfg.env shows the key and the value
[warn] ::::::::::::::::::::::::::::::::::::::::::::::
[warn] :: UNRESOLVED DEPENDENCIES ::
[warn] ::::::::::::::::::::::::::::::::::::::::::::::
[warn] :: oncue.ermine#ermine-parser_2.11;0.3.0: not found
[warn] ::::::::::::::::::::::::::::::::::::::::::::::
[warn]
[warn] Note: Unresolved dependencies path:
[warn] oncue.ermine:ermine-parser_2.11:0.3.0
[warn] +- io.verizon.knobs:core_2.11:3.11.26a