cabal doctest suggests nonexistent cabal new-doctest command

[patrickt]

From my shell history:

~/s/fused-effects (monad-control-instances|…) [1] $ cabal doctest
Warning: The doctest command is a part of the legacy v1 style of cabal usage.

Please switch to using either the new project style and the new-doctest
command or the legacy v1-doctest alias as new-style projects will become the
default in the next version of cabal-install. Please file a bug if you cannot
replicate a working v1- use case with the new-style commands.

For more information, see: https://wiki.haskell.org/Cabal/NewBuild

~/s/fused-effects (monad-control-instances|…) [1] $ cabal new-doctest
cabal: unrecognised command: new-doctest (try --help)

Until #4500 lands, this warning could be disabled.

[fgaz]

v1-doctest is gone, maybe this could be closed?

[Mikolaj]

The misleading warning is gone too and there are other tickets (indeed listed in #4500) about the deficiencies of doctest checking. Closing.