1# This module defines a standard configuration for NixOS global environment.
2
3# Most of the stuff here should probably be moved elsewhere sometime.
4
5{ config, lib, ... }:
6
7with lib;
8
9let
10
11 cfg = config.environment;
12
13in
14
15{
16
17 config = {
18
19 environment.variables =
20 { NIXPKGS_CONFIG = "/etc/nix/nixpkgs-config.nix";
21 # note: many programs exec() this directly, so default options for less must not
22 # be specified here; do so in the default value of programs.less.envVariables instead
23 PAGER = mkDefault "less";
24 EDITOR = mkDefault "nano";
25 XDG_CONFIG_DIRS = [ "/etc/xdg" ]; # needs to be before profile-relative paths to allow changes through environment.etc
26 };
27
28 # since we set PAGER to this above, make sure it's installed
29 programs.less.enable = true;
30
31 environment.profiles = mkAfter
32 [ "/nix/var/nix/profiles/default"
33 "/run/current-system/sw"
34 ];
35
36 # TODO: move most of these elsewhere
37 environment.profileRelativeSessionVariables =
38 { PATH = [ "/bin" ];
39 INFOPATH = [ "/info" "/share/info" ];
40 KDEDIRS = [ "" ];
41 QT_PLUGIN_PATH = [ "/lib/qt4/plugins" "/lib/kde4/plugins" ];
42 QTWEBKIT_PLUGIN_PATH = [ "/lib/mozilla/plugins/" ];
43 GTK_PATH = [ "/lib/gtk-2.0" "/lib/gtk-3.0" "/lib/gtk-4.0" ];
44 XDG_CONFIG_DIRS = [ "/etc/xdg" ];
45 XDG_DATA_DIRS = [ "/share" ];
46 MOZ_PLUGIN_PATH = [ "/lib/mozilla/plugins" ];
47 LIBEXEC_PATH = [ "/lib/libexec" ];
48 };
49
50 environment.pathsToLink = [ "/lib/gtk-2.0" "/lib/gtk-3.0" "/lib/gtk-4.0" ];
51
52 environment.extraInit =
53 ''
54 unset ASPELL_CONF
55 for i in ${concatStringsSep " " (reverseList cfg.profiles)} ; do
56 if [ -d "$i/lib/aspell" ]; then
57 export ASPELL_CONF="dict-dir $i/lib/aspell"
58 fi
59 done
60
61 export NIX_USER_PROFILE_DIR="/nix/var/nix/profiles/per-user/$USER"
62 export NIX_PROFILES="${concatStringsSep " " (reverseList cfg.profiles)}"
63 '';
64
65 };
66
67}