X-Git-Url: https://git.sourcephile.fr/julm/julm-nix.git/blobdiff_plain/6299734ccf5bdce6623422bc9427531c1ae59e6f..4ed833c90d7a247929afa7e528aa46381e8c8b27:/nixos/profiles/system.nix

diff --git a/nixos/profiles/system.nix b/nixos/profiles/system.nix
index 0d3838c..5b50f85 100644
--- a/nixos/profiles/system.nix
+++ b/nixos/profiles/system.nix
@@ -1,36 +1,78 @@
-{ config, pkgs, lib, ... }:
+{ config, pkgs, lib, inputs, ... }:
+with lib;
 {
-imports = [
-  ./bash.nix
-];
-documentation = {
-  enable = lib.mkDefault true;
-  dev.enable = lib.mkDefault false;
-  doc.enable = lib.mkDefault true;
-  info.enable = lib.mkDefault false;
-  man.enable = lib.mkDefault true;
-  nixos.enable = lib.mkDefault false;
-};
-environment.variables = {
-  EDITOR = "vim";
-  PAGER  = "less -R";
-  SYSTEMD_LESS = "FKMRX";
-};
-nix = {
-  settings.auto-optimise-store = lib.mkDefault true;
-  gc.automatic = lib.mkDefault true;
-  gc.dates = lib.mkDefault "weekly";
-  gc.options = lib.mkDefault "--delete-older-than 7d";
-  nixPath = lib.mkForce [ ];
-};
-security.lockKernelModules = false;
-services.journald = {
-  extraConfig = ''
-    Compress=true
-    MaxRetentionSec=1month
-    Storage=persistent
-    SystemMaxUse=100M
-  '';
-};
-users.mutableUsers = false;
+  boot.tmp.cleanOnBoot = mkDefault true;
+  boot.tmp.useTmpfs = mkDefault true;
+  services.logrotate.enable = true;
+  # NOTE: mostly useless on a server, and CPU intensive.
+  documentation = {
+    enable = mkDefault true;
+    dev.enable = mkDefault false;
+    doc.enable = mkDefault true;
+    info.enable = mkDefault false;
+    man.enable = mkDefault true;
+    nixos.enable = mkDefault false;
+  };
+  programs.vim.defaultEditor = mkDefault true;
+  environment.variables = {
+    EDITOR = "vim";
+    NIXPKGS_CONFIG = mkForce "";
+    PAGER = "less -R";
+    SYSTEMD_LESS = "FKMRX";
+    # Setting TZ= avoids a lot of useless syscalls reading /etc/localtime
+    # but requires to restart the session to change the time zone for all programs.
+    TZ = config.time.timeZone;
+  };
+  home-manager.users.root = {
+    imports = [
+      ../../home-manager/options.nix
+      ../../home-manager/profiles/essential.nix
+    ];
+    services.gpg-agent.pinentryFlavor = "curses";
+  };
+  nix = {
+    settings.auto-optimise-store = mkDefault true;
+    gc.automatic = mkDefault true;
+    gc.dates = mkDefault "weekly";
+    gc.options = mkDefault "--delete-older-than 7d";
+    nixPath = mkForce [ ];
+    registry.nixpkgs = mkDefault { flake = inputs.nixpkgs; };
+    package = pkgs.nixFlakes;
+    settings.experimental-features = [ "nix-command" "flakes" ];
+  };
+  security.lockKernelModules = false;
+  services.journald = {
+    extraConfig = ''
+      Compress=true
+      MaxRetentionSec=1month
+      Storage=persistent
+      SystemMaxUse=100M
+    '';
+  };
+  systemd.oomd = {
+    enable = mkDefault true;
+    enableRootSlice = mkDefault true;
+    enableSystemSlice = mkDefault true;
+    enableUserServices = mkDefault true;
+  };
+  systemd.services.openssh = {
+    serviceConfig = {
+      ManagedOOMPreference = "omit";
+    };
+  };
+  /*
+    system.nixos.versionSuffix = ".${
+    substring 0 8 (inputs.self.lastModifiedDate or inputs.self.lastModified)}.${
+    inputs.self.shortRev or "dirty"}";
+    system.nixos.revision = mkIf (inputs.self ? rev) inputs.self.rev;
+  */
+  # Let 'nixos-version --json' know about the Git revision of this flake.
+  system.configurationRevision = mkIf (inputs.self ? rev) inputs.self.rev;
+  /*
+    system.configurationRevision =
+    if inputs.self ? rev
+    then inputs.self.rev
+    else throw "Refusing to build from a dirty Git tree!";
+  */
+  users.mutableUsers = false;
 }