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nixpkgs/nixos/modules/services/desktops/gnome/tracker-miners.nix
Jan Tojnar 3c1b474e44 nixos/tracker: Define env var so it can find miners’ subcommands
tracker looks in its directory tree for executable files
to make available as subcommands. Users expect to find subcommands
from tracker-miners package but that fails as they are in different
tree. We also cannot change the lookup path since tracker-miners
also depends on a library from tracker package.

Until we can break the dependency cycle on package level:

   tracker -> tracker-miners -> tracker-sparql (tracker)

we need to work around it. I chose to set an environment
variable that overrides the subcommands lookup to a tree
symlinking files from both packages in GNOME NixOS module.

https://gitlab.gnome.org/GNOME/tracker/-/issues/341
Fixes: https://github.com/NixOS/nixpkgs/issues/153378
2022-01-03 22:25:03 +01:00

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Nix

# Tracker Miners daemons.
{ config, pkgs, lib, ... }:
with lib;
{
meta = {
maintainers = teams.gnome.members;
};
imports = [
# Added 2021-05-07
(mkRenamedOptionModule
[ "services" "gnome3" "tracker-miners" "enable" ]
[ "services" "gnome" "tracker-miners" "enable" ]
)
];
###### interface
options = {
services.gnome.tracker-miners = {
enable = mkOption {
type = types.bool;
default = false;
description = ''
Whether to enable Tracker miners, indexing services for Tracker
search engine and metadata storage system.
'';
};
};
};
###### implementation
config = mkIf config.services.gnome.tracker-miners.enable {
environment.systemPackages = [ pkgs.tracker-miners ];
services.dbus.packages = [ pkgs.tracker-miners ];
systemd.packages = [ pkgs.tracker-miners ];
services.gnome.tracker.subcommandPackages = [ pkgs.tracker-miners ];
};
}