channels: final: prev: let latest = channels.latest; in { __dontExport = true; # overrides clutter up actual creations inherit (latest) cachix nix-direnv minetest dhall discord element-desktop rage podman nixpkgs-fmt qutebrowser nvfetcher signal-desktop delve neovim polymc sumneko-lua-language-server cargo-crev cargo-fuzz tdesktop neovim-unwrapped; latest = latest; haskellPackages = prev.haskellPackages.override (old: { overrides = prev.lib.composeExtensions (old.overrides or (_: _: { })) (hfinal: hprev: let version = prev.lib.replaceChars [ "." ] [ "" ] prev.ghc.version; in { # same for haskell packages, matching ghc versions inherit (channels.latest.haskell.packages."ghc${version}") haskell-language-server; }); }); }