63 lines
1.3 KiB
Nix
63 lines
1.3 KiB
Nix
{ config, pkgs, ... }:
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with pkgs.lib;
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let
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locatedb = "/var/cache/locatedb";
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in
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{
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###### interface
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options = {
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services.locate = {
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enable = mkOption {
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type = types.bool;
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default = false;
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description = ''
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If enabled, NixOS will periodically update the database of
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files used by the <command>locate</command> command.
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'';
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};
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period = mkOption {
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type = types.str;
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default = "15 02 * * *";
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description = ''
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This option defines (in the format used by cron) when the
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locate database is updated.
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The default is to update at 02:15 at night every day.
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'';
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};
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};
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};
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###### implementation
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config = {
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systemd.services.update-locatedb =
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{ description = "Update Locate Database";
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path = [ pkgs.su ];
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script =
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''
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mkdir -m 0755 -p $(dirname ${locatedb})
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exec updatedb --localuser=nobody --output=${locatedb} --prunepaths='/tmp /var/tmp /media /run'
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'';
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serviceConfig.Nice = 19;
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serviceConfig.IOSchedulingClass = "idle";
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};
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services.cron.systemCronJobs = optional config.services.locate.enable
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"${config.services.locate.period} root ${config.systemd.package}/bin/systemctl start update-locatedb.service";
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};
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}
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