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services.nix-gc: extract darwin agent interval code to new library file

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This commit is contained in:
Damien Cassou 2025-02-22 15:03:39 +01:00 • committed by Austin Horstman
parent 3b930bb653
commit 1c2fccef83
3 changed files with 80 additions and 66 deletions
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76
modules/lib/darwin.nix Normal file
View file

@ -0,0 +1,76 @@
{ lib }:
let
intervals = [
"hourly"
"daily"
"weekly"
"monthly"
"semiannually"
"annually"
];
mkCalendarInterval =
frequency:
let
freq = {
"hourly" = [ { Minute = 0; } ];
"daily" = [
{
Hour = 0;
Minute = 0;
}
];
"weekly" = [
{
Weekday = 1;
Hour = 0;
Minute = 0;
}
];
"monthly" = [
{
Day = 1;
Hour = 0;
Minute = 0;
}
];
"semiannually" = [
{
Month = 1;
Day = 1;
Hour = 0;
Minute = 0;
}
{
Month = 7;
Day = 1;
Hour = 0;
Minute = 0;
}
];
"annually" = [
{
Month = 1;
Day = 1;
Hour = 0;
Minute = 0;
}
];
};
in
freq.${frequency} or null;
intervalsString = lib.concatStringsSep ", " intervals;
assertInterval = option: interval: pkgs: {
assertion = (!pkgs.stdenv.isDarwin) || (lib.elem interval intervals);
message = "On Darwin ${option} must be one of: ${intervalsString}.";
};
intervalDocumentation = ''
On Darwin it must be one of: ${intervalsString}, which are implemented as defined in {manpage}`systemd.time(7)`.
'';
in
{
inherit mkCalendarInterval assertInterval intervalDocumentation;
}

1
modules/lib/default.nix
View file

@ -6,6 +6,7 @@ rec {
assertions = import ./assertions.nix { inherit lib; };
booleans = import ./booleans.nix { inherit lib; };
darwin = import ./darwin.nix { inherit lib; };
deprecations = import ./deprecations.nix { inherit lib; };
generators = import ./generators.nix { inherit lib; };
gvariant = import ./gvariant.nix { inherit lib; };

69
modules/services/nix-gc.nix
View file

@ -8,65 +8,6 @@ let
inherit (lib) mkOption types;
cfg = config.nix.gc;
darwinIntervals = [
"hourly"
"daily"
"weekly"
"monthly"
"semiannually"
"annually"
];
mkCalendarInterval =
frequency:
let
freq = {
"hourly" = [ { Minute = 0; } ];
"daily" = [
{
Hour = 0;
Minute = 0;
}
];
"weekly" = [
{
Weekday = 1;
Hour = 0;
Minute = 0;
}
];
"monthly" = [
{
Day = 1;
Hour = 0;
Minute = 0;
}
];
"semiannually" = [
{
Month = 1;
Day = 1;
Hour = 0;
Minute = 0;
}
{
Month = 7;
Day = 1;
Hour = 0;
Minute = 0;
}
];
"annually" = [
{
Month = 1;
Day = 1;
Hour = 0;
Minute = 0;
}
];
};
in
freq.${frequency} or null;
nixPackage =
if config.nix.enable && config.nix.package != null then config.nix.package else pkgs.nix;
@ -95,8 +36,7 @@ in
On Linux this is a string as defined by {manpage}`systemd.time(7)`.
On Darwin it must be one of: ${lib.concatStringsSep ", " darwinIntervals}, which are
implemented as defined in the manual page above.
$lib.hm.darwin.{intervalDocumentation}
'';
};
@ -170,10 +110,7 @@ in
(lib.mkIf pkgs.stdenv.isDarwin {
assertions = [
{
assertion = lib.elem cfg.frequency darwinIntervals;
message = "On Darwin nix.gc.frequency must be one of: ${lib.concatStringsSep ", " darwinIntervals}.";
}
(lib.hm.darwin.assertInterval "nix.gc.frequency" cfg.frequency pkgs)
];
launchd.agents.nix-gc = {
@ -182,7 +119,7 @@ in
ProgramArguments = [
"${nixPackage}/bin/nix-collect-garbage"
] ++ lib.optional (cfg.options != null) cfg.options;
StartCalendarInterval = mkCalendarInterval cfg.frequency;
StartCalendarInterval = lib.hm.darwin.mkCalendarInterval cfg.frequency;
};
};
})