74 lines
1.9 KiB
Nix
74 lines
1.9 KiB
Nix
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{ 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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settingsFormat = pkgs.formats.yaml { };
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assertionFor = submodName: unitName: let
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optName = [ "dynamicism" "for" submodName "systemd-services-updated" ];
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in {
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assertion = config.systemd.units.${unitName}.enable or false;
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message = "'${showOption optName}' specified non-existentant unit '${unitName}'";
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};
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assertionsFor =
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submodName:
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submod:
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lib.map (assertionFor submodName) submod.systemd-services-updated;
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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 = lib.foldlAttrs (acc: name: submod: let
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next = lib.optionals submod.enable (assertionsFor name submod);
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in acc ++ next) [ ] cfg.for;
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config.dynamicism.for = {
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gotosocial = {
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source-options = [
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"services.gotosocial.settings"
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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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