$ spago repl
[info] Installing 32 dependencies.
[info] Installing "control"
[info] Installing "const"
[info] Installing "either"
[info] Installing "contravariant"
[info] Installing "distributive"
[info] Installing "bifunctors"
[info] Installing "foldable-traversable"
[info] Installing "console"
[info] Installing "arrays"
[info] Installing "functors"
[info] Installing "newtype"
[info] Installing "identity"
[info] Installing "exists"
[info] Installing "invariant"
[info] Installing "orders"
[info] Installing "lazy"
[info] Installing "nonempty"
[info] Installing "maybe"
[info] Installing "effect"
[info] Installing "lists"
[info] Installing "partial"
[info] Installing "prelude"
[info] Installing "profunctor"
[info] Installing "psci-support"
[info] Installing "safe-coerce"
[info] Installing "refs"
[info] Installing "st"
[info] Installing "tailrec"
[info] Installing "tuples"
[info] Installing "type-equality"
[info] Installing "unfoldable"
[info] Installing "unsafe-coerce"
[error]
Failed to install dependency "foldable-traversable"
Git output:

fatal: destination path '.' already exists and is not an empty directory.


Aborting installation..
[error]
Failed to install dependency "foldable-traversable"
Git output:

fatal: destination path '.' already exists and is not an empty directory.


Aborting installation..
[error] Installation failed
[error] Error:
[error] ExitFailure 1