60 lines
1.3 KiB
Nix
60 lines
1.3 KiB
Nix
{pkgs, config, ...}:
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###### interface
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let
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inherit (pkgs.lib) mkOption;
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options = {
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services = {
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locate = {
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enable = mkOption {
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default = false;
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example = true;
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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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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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};
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in
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###### implementation
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let
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locatedb = "/var/cache/locatedb";
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updatedbCmd =
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"${config.services.locate.period} root " +
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"mkdir -m 0755 -p $(dirname ${locatedb}) && " +
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"nice -n 19 ${pkgs.utillinux}/bin/ionice -c 3 " +
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"updatedb --localuser=nobody --output=${locatedb} > /var/log/updatedb 2>&1";
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in
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{
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require = [
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(import ../../upstart-jobs/cron.nix) # config.services.cron
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options
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];
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services = {
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cron = {
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systemCronJobs =
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pkgs.lib.optional
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config.services.locate.enable
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updatedbCmd;
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};
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};
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}
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