home-manager/modules/programs/home-manager.nix
Robert Helgesson 0ef0be8ffb
home-manager: remove manually installed home-manager
If the `home-manager` module is enabled then check if the
`home-manager` package is installed using `nix-env -i` and if so then
it is automatically uninstalled before the new package environment,
which includes home-manager, is installed.

(cherry picked from commit 2e257f40e6)
2017-07-20 09:14:23 +02:00

53 lines
1.3 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
with import ../lib/dag.nix;
let
cfg = config.programs.home-manager;
in
{
options = {
programs.home-manager = {
enable = mkEnableOption "Home Manager";
modulesPath = mkOption {
type = types.nullOr types.str;
default = null;
example = "$HOME/devel/home-manager/modules";
description = ''
The default path to use for Home Manager modules. If this
path does not exist then
<filename>$HOME/.config/nixpkgs/home-manager/modules</filename>
and <filename>$HOME/.nixpkgs/home-manager/modules</filename>
will be attempted.
'';
};
};
};
config = mkIf cfg.enable {
home.packages = [
(import ../../home-manager {
inherit pkgs;
inherit (cfg) modulesPath;
})
];
# Uninstall manually installed home-manager, if such exists.
# Without this a file collision error will be printed.
home.activation.uninstallHomeManager =
dagEntryBetween [ "installPackages" ] [ "writeBoundary" ] ''
if nix-env -q | grep -q '^home-manager$' ; then
$DRY_RUN_CMD nix-env -e home-manager
echo "You can now remove the 'home-manager' entry in"
echo "'~/.config/nixpkgs/config.nix', if you want."
fi
'';
};
}