nix-config/home-manager/_mixins/cli/nix-index.nix

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{ pkgs, ... }:
let
update-script = pkgs.writeShellApplication {
name = "fetch-nix-index-database";
runtimeInputs = with pkgs; [ wget coreutils ];
text = ''
filename="index-x86_64-linux"
mkdir -p ~/.cache/nix-index
cd ~/.cache/nix-index
wget -N "https://github.com/Mic92/nix-index-database/releases/latest/download/$filename"
ln -f "$filename" files
'';
};
in
{
programs.nix-index.enable = true;
systemd.user.services.nix-index-database-sync = {
Unit = { Description = "fetch mic92/nix-index-database"; };
Service = {
Type = "oneshot";
ExecStart = "${update-script}/bin/fetch-nix-index-database";
Restart = "on-failure";
RestartSec = "5m";
};
};
systemd.user.timers.nix-index-database-sync = {
Unit = { Description = "Automatic github:mic92/nix-index-database fetching"; };
Timer = {
OnBootSec = "10m";
OnUnitActiveSec = "24h";
};
Install = { WantedBy = [ "timers.target" ]; };
};
}