home-manager/modules/targets/generic-linux.nix
2020-09-11 12:26:55 +02:00

53 lines
1.5 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
profileDirectory = config.home.profileDirectory;
in {
options.targets.genericLinux = {
enable = mkEnableOption "" // {
description = ''
Whether to enable settings that make Home Manager work better on
GNU/Linux distributions other than NixOS.
'';
};
extraXdgDataDirs = mkOption {
type = types.listOf types.str;
default = [ ];
example = [ "/usr/share" "/usr/local/share" ];
description = ''
List of directory names to add to <envar>XDG_DATA_DIRS</envar>.
'';
};
};
config = mkIf config.targets.genericLinux.enable {
home.sessionVariables = let
profiles =
[ "\${NIX_STATE_DIR:-/nix/var/nix}/profiles/default" profileDirectory ];
dataDirs = concatStringsSep ":"
(map (profile: "${profile}/share") profiles
++ config.targets.genericLinux.extraXdgDataDirs);
in { XDG_DATA_DIRS = "${dataDirs}\${XDG_DATA_DIRS:+:}$XDG_DATA_DIRS"; };
home.sessionVariablesExtra = ''
. "${pkgs.nix}/etc/profile.d/nix.sh"
'';
# We need to source both nix.sh and hm-session-vars.sh as noted in
# https://github.com/rycee/home-manager/pull/797#issuecomment-544783247
programs.bash.initExtra = ''
. "${pkgs.nix}/etc/profile.d/nix.sh"
. "${profileDirectory}/etc/profile.d/hm-session-vars.sh"
'';
systemd.user.sessionVariables = {
NIX_PATH = "$HOME/.nix-defexpr/channels\${NIX_PATH:+:}$NIX_PATH";
};
};
}