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fix: centralize state defaults via lib/state-schema.nix

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Kills a recurring bug class: state defaults previously lived in three
parallel places that drifted apart over time.

  - lib/state-schema.nix          (the canonical schema, referenced
                                   nowhere except a description string)
  - core/system/options.nix       (default = "..." clauses on options)
  - core/home/options.nix         (same, on home options)
  - core/home/state.nix           (`or "..."` fallbacks for state.json reads)

When `state.json` is missing a key, three files have to agree on the
fallback. They keep silently drifting:

  - The OOTB QA audit shipped fixes for this pattern.
  - Earlier this session, `chore: switch default theme summer-night → nord`
    fixed core/system/options.nix and core/home/state.nix — but missed
    core/home/options.nix, which still defaulted nomarchy.theme to
    "summer-night". Every consumer of the home option
    (features/default.nix, vscode.nix, waybar, hyprland, theme engine)
    resolved to the wrong theme when state.json was blank.

This change:

  - Imports lib/state-schema.nix into all three consumers and replaces
    every hardcoded default with `schema.<scope>.<key>`.
  - Fixes the lingering nomarchy.theme = "summer-night" home-side bug as
    a side-effect.
  - Touches roughly 25 literals across the three files.

Verified `nix flake check --no-build` passes and every centralized value
evaluates to the exact literal it previously had. Off-schema option-only
defaults (isLightMode, formFactor, cursor.*, iconsTheme, keyring.enable,
etc.) are left hardcoded — they have no state.json counterpart, so
there's no source-of-truth split to resolve.

Out of scope (follow-up):
  - Have installer/install.sh generate /mnt/etc/nixos/state.json from
    the schema instead of hardcoded JSON — would close the last
    split-brain surface (the installer can still drift from schema).

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
Bernardo Magri
2026-05-18 17:52:47 +01:00
parent 5ddb15ffef
commit 7fa909ddf4
4 changed files with 56 additions and 39 deletions
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33
core/home/options.nix
View File

@@ -1,47 +1,52 @@
{ lib, pkgs, ... }:
let
# Defaults live in lib/state-schema.nix so they can't drift between this
# file, core/system/options.nix, and core/home/state.nix's `or` fallbacks.
schema = import ../../lib/state-schema.nix { inherit lib; };
in
{
options.nomarchy = {
toggles = {
suspend = lib.mkOption {
type = lib.types.bool;
default = true;
default = schema.home.suspend;
description = "Whether to show suspend in system menu.";
};
screensaver = lib.mkOption {
type = lib.types.bool;
default = true;
default = schema.home.screensaver;
description = "Whether the screensaver is enabled.";
};
idle = lib.mkOption {
type = lib.types.bool;
default = true;
default = schema.home.idle;
description = "Whether the idle lock is enabled.";
};
nightlight = lib.mkOption {
type = lib.types.bool;
default = false;
default = schema.home.nightlight;
description = "Whether the nightlight is enabled.";
};
waybar = lib.mkOption {
type = lib.types.bool;
default = true;
default = schema.home.waybar;
description = "Whether the top bar is enabled.";
};
skipVsCodeTheme = lib.mkOption {
type = lib.types.bool;
default = false;
default = schema.home.skipVsCodeTheme;
description = "Whether to skip theme changes in VSCode.";
};
};
nightlightTemperature = lib.mkOption {
type = lib.types.int;
default = 4000;
default = schema.home.nightlightTemperature;
description = "Temperature for the nightlight.";
};
theme = lib.mkOption {
type = lib.types.str;
default = "summer-night";
default = schema.home.theme;
description = "System theme name.";
};
formFactor = lib.mkOption {
@@ -58,35 +63,35 @@
};
wallpaper = lib.mkOption {
type = lib.types.str;
default = "";
default = schema.home.wallpaper;
description = "System wallpaper path.";
};
panelPosition = lib.mkOption {
type = lib.types.enum [ "top" "bottom" ];
default = "top";
default = schema.home.panelPosition;
description = "Waybar panel position.";
};
hyprland = {
gaps_in = lib.mkOption {
type = lib.types.int;
default = 5;
default = schema.home.hyprland.gaps_in;
description = "Inner gaps for Hyprland.";
};
gaps_out = lib.mkOption {
type = lib.types.int;
default = 10;
default = schema.home.hyprland.gaps_out;
description = "Outer gaps for Hyprland.";
};
border_size = lib.mkOption {
type = lib.types.int;
default = 2;
default = schema.home.hyprland.border_size;
description = "Border size for Hyprland.";
};
};
fonts = {
monospace = lib.mkOption {
type = lib.types.str;
default = "JetBrainsMono Nerd Font";
default = schema.home.font;
description = "System monospace font.";
};
};

38
core/home/state.nix
View File

@@ -2,6 +2,12 @@
let
nomarchyLib = import ../../lib { inherit lib; };
# Single source of truth for default values when state.json is missing
# a key. Both core/system/options.nix and core/home/options.nix read
# from this same file — changing a default in one place updates
# everywhere. (Was: each consumer hardcoded its own `or X` literal,
# which is how the summer-night/nord split lived for so long.)
schema = import ../../lib/state-schema.nix { inherit lib; };
assetsPath = ../../themes/palettes;
# Read unified state from ~/.config/nomarchy/state.json
@@ -11,31 +17,31 @@ in
config = {
nomarchy = {
toggles = {
suspend = togglesState.suspend or true;
screensaver = togglesState.screensaver or true;
idle = togglesState.idle or true;
nightlight = togglesState.nightlight or false;
waybar = togglesState.waybar or true;
skipVsCodeTheme = togglesState.skipVsCodeTheme or false;
suspend = togglesState.suspend or schema.home.suspend;
screensaver = togglesState.screensaver or schema.home.screensaver;
idle = togglesState.idle or schema.home.idle;
nightlight = togglesState.nightlight or schema.home.nightlight;
waybar = togglesState.waybar or schema.home.waybar;
skipVsCodeTheme = togglesState.skipVsCodeTheme or schema.home.skipVsCodeTheme;
};
nightlightTemperature = togglesState.nightlightTemperature or 4000;
theme = togglesState.theme or "nord";
wallpaper = togglesState.wallpaper or "";
panelPosition = togglesState.panelPosition or "top";
nightlightTemperature = togglesState.nightlightTemperature or schema.home.nightlightTemperature;
theme = togglesState.theme or schema.home.theme;
wallpaper = togglesState.wallpaper or schema.home.wallpaper;
panelPosition = togglesState.panelPosition or schema.home.panelPosition;
hyprland = {
gaps_in = togglesState.hyprland.gaps_in or 5;
gaps_out = togglesState.hyprland.gaps_out or 10;
border_size = togglesState.hyprland.border_size or 2;
gaps_in = togglesState.hyprland.gaps_in or schema.home.hyprland.gaps_in;
gaps_out = togglesState.hyprland.gaps_out or schema.home.hyprland.gaps_out;
border_size = togglesState.hyprland.border_size or schema.home.hyprland.border_size;
};
fonts.monospace = togglesState.font or "JetBrainsMono Nerd Font";
fonts.monospace = togglesState.font or schema.home.font;
# Derived properties from the theme directory
isLightMode = nomarchyLib.isThemeLightMode {
themeName = togglesState.theme or "nord";
themeName = togglesState.theme or schema.home.theme;
inherit assetsPath;
};
iconsTheme = nomarchyLib.getIconsTheme {
themeName = togglesState.theme or "nord";
themeName = togglesState.theme or schema.home.theme;
inherit assetsPath;
};
};