{ username, email, }: { ... }: { programs.git = { enable = true; userName = username; userEmail = email; extraConfig = { safe.directory = [ "/etc/nixos" ]; init.defaultBranch = "main"; pull.rebase = true; }; }; programs.gh = { enable = true; settings = { git_protocol = "ssh"; aliases = { co = "pr checkout"; pv = "pr view"; }; }; gitCredentialHelper = { enable = true; }; }; }