initial commit

modules/nixos/device/server.nix

@@ -0,0 +1,69 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+
+let
+  inherit (config.programs) neovim;
+  inherit (lib) mkDefault mkIf;
+in
+{
+  environment = {
+    variables = {
+      BROWSER = "echo";
+      EDITOR = mkIf neovim.enable "nvim";
+      VISUAL = mkIf neovim.enable "nvim";
+    };
+    shellAliases = {
+      v = mkIf neovim.enable "nvim";
+    };
+    # do not install /lib/ld-linux.so.2 and /lib64/ld-linux-x86-64.so.2
+    stub-ld.enable = mkDefault false;
+  };
+
+  documentation = {
+    enable = mkDefault false;
+    nixos.enable = mkDefault false;
+    doc.enable = mkDefault false;
+    info.enable = mkDefault false;
+    man.enable = mkDefault false;
+  };
+
+  fonts.fontconfig.enable = mkDefault false;
+
+  xdg.autostart.enable = mkDefault false;
+  xdg.icons.enable = mkDefault false;
+  xdg.menus.enable = mkDefault false;
+  xdg.mime.enable = mkDefault false;
+  xdg.sounds.enable = mkDefault false;
+
+  programs.git.package = mkDefault pkgs.gitMinimal;
+
+  programs.neovim = {
+    enable = mkDefault true;
+    defaultEditor = mkDefault true;
+    vimAlias = mkDefault true;
+    viAlias = mkDefault true;
+  };
+
+  # emergency mode is useless on headless machines
+  systemd.enableEmergencyMode = false;
+  boot.initrd.systemd.suppressedUnits = mkIf config.systemd.enableEmergencyMode [
+    "emergency.service"
+    "emergency.target"
+  ];
+
+  systemd.sleep.extraConfig = ''
+    AllowSuspend=no
+    AllowHibernation=no
+  '';
+
+  # force reboots
+  systemd.settings.Manager = {
+    RuntimeWatchdogSec = mkDefault "15s";
+    RebootWatchdogSec = mkDefault "30s";
+    KExecWatchdogSec = mkDefault "1m";
+  };
+}