channels: final: prev: { __dontExport = true; # overrides clutter up actual creations inherit (channels.latest) cachix docker docker-compose dhall discord element-desktop rage nix-index nixpkgs-fmt qutebrowser signal-desktop starship deploy-rs nix tdesktop arduino arduino-cli steam ; inherit (channels.pub-solar) yubikey-agent ; inherit (channels.master) factorio-headless ; 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; }); }); }