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dcbda16fc5
In addition, put the implementation of the build side-by-side with the system type definition. It made no sense to keep those where they were, as it was baggage from the earlier implementation of the project.
50 lines
1.2 KiB
Nix
50 lines
1.2 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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failed = map (x: x.message) (filter (x: !x.assertion) config.assertions);
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system_type = config.mobile.system.type;
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known_system_types = config.mobile.system.types ++ [ "none" ];
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in
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{
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imports = [
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./system-types/depthcharge
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./system-types/qemu-startscript
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./system-types/android
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./system-types/u-boot
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];
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options.mobile = {
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system.types = mkOption {
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type = types.listOf types.str;
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internal = true;
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description = ''
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Registry of system types.
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'';
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};
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system.type = mkOption {
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type = types.enum known_system_types;
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description = ''
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Defines the kind of system the device is.
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The different kind of system types will define the outputs
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produced for the system.
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'';
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};
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};
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config = {
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assertions = [
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# While the enum type is enough to implement value safety, this will help
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# when implementing new platforms and not implementing them in known_system_types.
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{
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assertion = lib.lists.any (x: x == system_type) known_system_types;
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message = "Cannot build unexpected system type: ${system_type}.\n Known types: ${lib.concatStringsSep ", " known_system_types}";
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}
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];
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};
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}
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