Resolving dependencies...
cabal: Could not resolve dependencies:
trying: base-4.9.0.0/installed-4.9... (dependency of gruff-0.1)
next goal: ruff (dependency of gruff-0.1)
rejecting: ruff-0.4.0.1, ruff-0.4, ruff-0.3.2.1, ruff-0.3.2, ruff-0.3,
ruff-0.2 (conflict: gruff => ruff>=0.1 && <0.2)
trying: ruff-0.1
next goal: array (dependency of ruff-0.1)
rejecting: array-0.5.1.1/installed-0.5..., array-0.5.1.1, array-0.5.1.0,
array-0.5.0.0, array-0.4.0.1, array-0.4.0.0 (conflict: ruff => array>=0.3 &&
<0.4)
rejecting: array-0.3.0.3 (conflict: base==4.9.0.0/installed-4.9..., array =>
base>=4.2 && <4.5)
rejecting: array-0.3.0.2, array-0.3.0.1 (conflict:
base==4.9.0.0/installed-4.9..., array => base>=4.2 && <4.4)
rejecting: array-0.3.0.0 (conflict: base==4.9.0.0/installed-4.9..., array =>
base>=3 && <4.4)
rejecting: array-0.2.0.0, array-0.1.0.0 (conflict: ruff => array>=0.3 && <0.4)
Dependency tree exhaustively searched.