initial commit

hosts/common/core/nixos.nix

@@ -0,0 +1,36 @@
+# Core functionality for every nixos host
+{ config, lib, ... }:
+{
+  # Database for aiding terminal-based programs
+  environment.enableAllTerminfo = true;
+  # Enable firmware with a license allowing redistribution
+  hardware.enableRedistributableFirmware = true;
+
+  # This should be handled by config.security.pam.sshAgentAuth.enable
+  security.sudo.extraConfig = ''
+    Defaults lecture = never # rollback results in sudo lectures after each reboot, it's somewhat useless anyway
+    Defaults pwfeedback # password input feedback - makes typed password visible as asterisks
+    Defaults timestamp_timeout=120 # only ask for password every 2h
+    # Keep SSH_AUTH_SOCK so that pam_ssh_agent_auth.so can do its magic.
+    Defaults env_keep+=SSH_AUTH_SOCK
+  '';
+
+  #
+  # ========== Nix Helper ==========
+  #
+  # Provide better build output and will also handle garbage collection in place of standard nix gc (garbace collection)
+  # FIXME(starter): customize garbage collection rules as desired.
+  programs.nh = {
+    enable = true;
+    clean.enable = true;
+    clean.extraArgs = "--keep-since 20d --keep 20";
+    flake = "/home/user/${config.hostSpec.home}/nix-config";
+  };
+
+  #
+  # ========== Localization ==========
+  #
+  # FIXME(starter): customize localization values as desired.
+  i18n.defaultLocale = lib.mkDefault "en_US.UTF-8";
+  time.timeZone = lib.mkDefault "America/Edmonton";
+}