78 lines
2.3 KiB
Nix
78 lines
2.3 KiB
Nix
{ pkgs, lib, config, options, ... }:
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let
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inherit (lib.modules)
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mkIf
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;
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inherit (lib.options)
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mkOption
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mkEnableOption
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literalExpression
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showOption
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;
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t = lib.types;
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cfg = config.dynamicism;
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opts = options.dynamicism;
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subOpts = lib.mapAttrs (_: metaAttr: metaAttr.configuration.options) options.dynamicism.for.valueMeta.attrs;
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finalSettingsFor = { ... }@submod: lib.foldl (acc: optPath: let
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next =
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assert lib.isList optPath;
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lib.setAttrByPath optPath (lib.getAttrFromPath optPath config);
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in lib.recursiveUpdate acc next) { } submod.source-options;
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in
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{
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options.dynamicism = {
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for = mkOption {
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type = t.attrsOf (t.submoduleWith {
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modules = [ ./submodule.nix ];
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shorthandOnlyDefinesConfig = false;
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});
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default = { };
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};
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finalSettings = mkOption {
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type = t.attrsOf t.raw;
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internal = true;
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readOnly = true;
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description = ''
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Attrset of each `source-options` tree to their actual values.
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'';
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};
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};
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config.assertions = let
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unitsExist = lib.foldl' (acc: submod: let
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next = lib.map (unit: assert lib.isString unit; {
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assertion = config.systemd.units.${unit}.enable or false;
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message = ''
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'${showOption submod.systemd-services-updated.loc}' specified non-existent unit '${unit}'
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'';
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}) submod.systemd-services-updated.value;
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in acc ++ lib.optionals submod.enable.value next) [ ] (lib.attrValues subOpts);
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optsExist = lib.foldl' (acc: submod: let
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next = lib.map (optPath: {
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assertion = lib.hasAttrByPath optPath options;
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message = "'${showOption submod.source-options.loc}' specified non-existent option '${showOption optPath}'";
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}) submod.source-options.value;
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in acc ++ lib.optionals submod.enable.value next) [ ] (lib.attrValues subOpts);
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in lib.concatLists [
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unitsExist
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optsExist
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];
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config.dynamicism.for = {
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gotosocial = {
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source-options = [
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"services.gotosocial.setting"
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];
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systemd-services-updated = [
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"gotosocial.service"
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];
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};
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};
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config.dynamicism.finalSettings = lib.foldlAttrs (acc: name: { ... }@submod: let
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next = finalSettingsFor submod;
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in lib.recursiveUpdate acc next) { } config.dynamicism.for;
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}
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