{ cabal, haskeline, mtl, Shellac }: cabal.mkDerivation (self: { pname = "Shellac-haskeline"; version = "0.2.0.1"; sha256 = "1xvs2ni83yyf7rx3ikmn2bkx20fyj03d03crqyyfw28mikhgv5br"; buildDepends = [ haskeline mtl Shellac ]; patchPhase = '' sed -i -e 's|mtl>=1.1 && < 2.1|mtl|' Shellac-haskeline.cabal ''; meta = { description = "Haskeline backend module for Shellac"; license = self.stdenv.lib.licenses.bsd3; platforms = self.ghc.meta.platforms; maintainers = [ self.stdenv.lib.maintainers.andres ]; }; })