{...}: { den.aspects.ssh-client.homeManager = {config, ...}: { programs.ssh = { enable = true; enableDefaultConfig = false; includes = [ "${config.home.homeDirectory}/.ssh/config_external" ]; matchBlocks = { "*" = {}; "github.com" = { identitiesOnly = true; identityFile = [ "${config.home.homeDirectory}/.ssh/id_ed25519" ]; }; }; }; }; }