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home-manager/modules/targets/darwin/user-defaults/default.nix

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{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.targets.darwin;
mkActivationCmds = isLocal: settings:
let
toDefaultsFile = domain: attrs:
pkgs.writeText "${domain}.plist" (lib.generators.toPlist { } attrs);
cliFlags = lib.optionalString isLocal "-currentHost";
toActivationCmd = domain: attrs:
"$DRY_RUN_CMD /usr/bin/defaults ${cliFlags} import ${
escapeShellArg domain
} ${toDefaultsFile domain attrs}";
nonNullDefaults =
mapAttrs (domain: attrs: (filterAttrs (n: v: v != null) attrs))
settings;
writableDefaults =
filterAttrs (domain: attrs: attrs != { }) nonNullDefaults;
in mapAttrsToList toActivationCmd writableDefaults;
defaultsCmds = mkActivationCmds false cfg.defaults;
currentHostDefaultsCmds = mkActivationCmds true cfg.currentHostDefaults;
activationCmds = defaultsCmds ++ currentHostDefaultsCmds;
in {
meta.maintainers = [ maintainers.midchildan ];
options.targets.darwin.defaults = mkOption {
type = types.submodule ./opts-allhosts.nix;
default = { };
example = {
"com.apple.desktopservices" = {
DSDontWriteNetworkStores = true;
DSDontWriteUSBStores = true;
};
};
description = ''
Set macOS user defaults. Values set to <literal>null</literal> are
ignored.
<warning>
<para>
Some settings might require a re-login to take effect.
</para>
</warning>
<warning>
<para>
Some settings are only read from
<option>targets.darwin.currentHostDefaults</option>.
</para>
</warning>
'';
};
options.targets.darwin.currentHostDefaults = mkOption {
type = types.submodule ./opts-currenthost.nix;
default = { };
example = {
"com.apple.controlcenter" = { BatteryShowPercentage = true; };
};
description = ''
Set macOS user defaults. Unlike <option>targets.darwin.defaults</option>,
the preferences will only be applied to the currently logged-in host. This
distinction is important for networked accounts.
Values set to <literal>null</literal> are ignored.
<warning>
<para>
Some settings might require a re-login to take effect.
</para>
</warning>
'';
};
config = mkIf (activationCmds != [ ]) {
assertions = [
(hm.assertions.assertPlatform "targets.darwin.defaults" pkgs
platforms.darwin)
];
warnings = let
batteryOptionName = ''
targets.darwin.currentHostDefaults."com.apple.controlcenter".BatteryShowPercentage'';
batteryPercentage =
attrByPath [ "com.apple.menuextra.battery" "ShowPercent" ] null
cfg.defaults;
webkitDevExtras = attrByPath [
"com.apple.Safari"
"com.apple.Safari.ContentPageGroupIdentifier.WebKit2DeveloperExtrasEnabled"
] null cfg.defaults;
in optional (batteryPercentage != null) ''
The option 'com.apple.menuextra.battery.ShowPercent' no longer works on
macOS 11 and later. Instead, use '${batteryOptionName}'.
'' ++ optional (webkitDevExtras != null) ''
The option 'com.apple.Safari.com.apple.Safari.ContentPageGroupIdentifier.WebKit2DeveloperExtrasEnabled'
is no longer present in recent versions of Safari.
'';
home.activation.setDarwinDefaults = hm.dag.entryAfter [ "writeBoundary" ] ''
$VERBOSE_ECHO "Configuring macOS user defaults"
${concatStringsSep "\n" activationCmds}
'';
};
}