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stylix/mk-target: generate options for configuring safeguarded arguments

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Generate targets.${target}.${argument}.enable and
targets.${target}.${argument}.override options for disabling and
configuring safeguarded arguments on a target level.
This commit is contained in:
NAHO 2025-07-19 11:28:37 +02:00
parent dfc859f54d
commit 953c3fb01e
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GPG key ID: BFB5D5E3F4C95185
1 changed files with 105 additions and 36 deletions
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141
stylix/mk-target.nix
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@ -193,38 +193,11 @@ let
callModule =
let
areArgumentsEnabled = lib.flip lib.pipe [
builtins.attrValues
(builtins.all (argument: argument.enable or (argument != null)))
lib.attrsToList
(builtins.all (
{ name, value }: value.enable or (value != null) && cfg.${name}.enable or true
))
];
getArguments =
function:
lib.genAttrs
(lib.pipe function [
lib.functionArgs
builtins.attrNames
])
(
argument:
if argument == "cfg" then
cfg
else if argument == "colors" then
config.lib.stylix.colors
else
config.stylix.${argument} or (throw "stylix: mkTarget expected one of ${
lib.concatMapStringsSep ", " (expected: "`${expected}`") (
lib.naturalSort (
[
"cfg"
"colors"
]
++ builtins.attrNames config.stylix
)
)
}, but got: ${argument}")
);
in
safeguard: config':
let
@ -240,7 +213,7 @@ let
config'
else if builtins.isPath config' then
callModule safeguard (import config')
throw "stylix: unexpected unresolved path: ${toString config'}"
else
throw "stylix: mkTarget expected a configuration to be a function, an attribute set, or a path, but got ${builtins.typeOf config'}: ${
@ -248,11 +221,107 @@ let
}";
cfg = config.stylix.targets.${name};
getArguments =
function:
lib.genAttrs
(lib.pipe function [
lib.functionArgs
builtins.attrNames
])
(
argument:
if argument == "cfg" then
cfg
else
(
config':
let
inherit (cfg.${argument}) override;
in
if override == null then
config'
else if builtins.typeOf override != builtins.typeOf config' then
throw "stylix: expected `config.stylix.targets.${name}.${argument}.override` to be a ${builtins.typeOf config'}, but got: ${builtins.typeOf override}"
else if builtins.isAttrs override then
lib.recursiveUpdate config' override
else
override
)
(
if argument == "colors" then
config.lib.stylix.colors
else
config.stylix.${argument} or (throw "stylix: mkTarget expected one of ${
lib.concatMapStringsSep ", " (expected: "`${expected}`") (
lib.naturalSort (
[
"cfg"
"colors"
]
++ builtins.attrNames config.stylix
)
)
}, but got: ${argument}")
)
);
normalizeConfig =
config:
map (lib.fix (
self: config':
if builtins.isPath config' then self (import config') else config'
)) (lib.toList config);
normalizedConfig = normalizeConfig mkTargetConfig;
in
{
imports = imports ++ [
{ options.stylix.targets.${name} = callModule false options; }
];
imports =
lib.singleton {
options.stylix.targets.${name} =
lib.genAttrs
(lib.concatLists (
map (lib.flip lib.pipe [
(
config': lib.optionalAttrs (builtins.isFunction config') (getArguments config')
)
builtins.attrNames
(lib.remove "cfg")
]) (normalizedConfig ++ normalizeConfig options)
))
(
argument:
let
config = "`${
if argument == "colors" then
"config.lib.stylix.colors"
else
"config.stylix.${argument}"
}`";
in
{
enable = lib.mkEnableOption "${config} for ${humanName}" // {
default = true;
example = false;
};
override = lib.mkOption {
default = null;
description = ''
Attribute sets are recursively merged with ${config},
while all other non-`null` types override ${config}.
'';
type = lib.types.anything;
};
}
);
}
++ imports
++ lib.singleton { options.stylix.targets.${name} = callModule false options; };
options.stylix.targets.${name}.enable =
let
@ -271,7 +340,7 @@ let
config = lib.mkIf (config.stylix.enable && cfg.enable) (
lib.mkMerge (
lib.singleton (callModule false unconditionalConfig)
++ map (callModule true) (lib.toList mkTargetConfig)
++ map (callModule true) normalizedConfig
)
);
};