{cabal}: cabal.mkDerivation (self : { pname = "vty"; version = "3.0.0"; sha256 = "44ae53d06b8b45c14cd3861e860a38730ed9995ed56b1b3d9aba6641771f1947"; meta = { description = "vty is a *very* simplistic library in the niche of ncurses"; }; preConfigure = '' sed -i 's|^Build-Depends:.*$|&, bytestring, containers|' ${self.pname}.cabal ''; })