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nixpkgs/nixos/modules/services/misc/packagekit.nix

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Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.packagekit;
packagekitConf = ''
[Daemon]
DefaultBackend=${cfg.backend}
KeepCache=false
'';
vendorConf = ''
[PackagesNotFound]
DefaultUrl=https://github.com/NixOS/nixpkgs
CodecUrl=https://github.com/NixOS/nixpkgs
HardwareUrl=https://github.com/NixOS/nixpkgs
FontUrl=https://github.com/NixOS/nixpkgs
MimeUrl=https://github.com/NixOS/nixpkgs
'';
in
{
options = {
services.packagekit = {
enable = mkEnableOption
''
PackageKit provides a cross-platform D-Bus abstraction layer for
installing software. Software utilizing PackageKit can install
software regardless of the package manager.
'';
# TODO: integrate with PolicyKit if the nix backend matures to the point
# where it will require elevated permissions
backend = mkOption {
type = types.enum [ "test_nop" ];
default = "test_nop";
description = ''
PackageKit supports multiple different backends and <literal>auto</literal> which
should do the right thing.
</para>
<para>
On NixOS however, we do not have a backend compatible with nix 2.0
(refer to <link xlink:href="https://github.com/NixOS/nix/issues/233">this issue</link> so we have to force
it to <literal>test_nop</literal> for now.
'';
};
};
};
config = mkIf cfg.enable {
services.dbus.packages = with pkgs; [ packagekit ];
systemd.packages = with pkgs; [ packagekit ];
environment.etc."PackageKit/PackageKit.conf".text = packagekitConf;
environment.etc."PackageKit/Vendor.conf".text = vendorConf;
};
}