mirror of
https://github.com/nix-community/nixos-generators.git
synced 2024-08-16 23:51:00 +03:00
68 lines
1.9 KiB
Nix
68 lines
1.9 KiB
Nix
{
|
|
config,
|
|
lib,
|
|
pkgs,
|
|
extendModules,
|
|
...
|
|
}: let
|
|
inherit
|
|
(lib)
|
|
types
|
|
;
|
|
# attrs of all format modules from ./formats
|
|
formatModules =
|
|
lib.flip lib.mapAttrs' (builtins.readDir ./formats)
|
|
(fname: type: {
|
|
name = lib.removeSuffix ".nix" fname;
|
|
value = ./formats + "/${fname}";
|
|
});
|
|
|
|
# function to evaluate a given format to a config
|
|
evalFormat = formatModule:
|
|
extendModules {
|
|
modules = [
|
|
./format-module.nix
|
|
formatModule
|
|
];
|
|
};
|
|
|
|
# evaluated configs for all formats
|
|
allConfigs = lib.mapAttrs (formatName: evalFormat) config.formatConfigs;
|
|
|
|
# attrset of formats to be exposed under config.system.formats
|
|
formats = lib.flip lib.mapAttrs allConfigs (
|
|
formatName: conf: pkgs.runCommand "${conf.config.system.build.${conf.config.formatAttr}.name}${conf.config.fileExtension}" {} ''
|
|
set -efu
|
|
target=$(find '${conf.config.system.build.${conf.config.formatAttr}}' -name '*${conf.config.fileExtension}' -xtype f -print -quit)
|
|
ln -s "$target" "$out"
|
|
''
|
|
);
|
|
in {
|
|
_file = ./all-formats.nix;
|
|
# This deliberate key makes sure this module will be deduplicated
|
|
# regardless of the accessor path: either via flake's nixosModule
|
|
# or as part of the nixos-generate command. These two store paths
|
|
# of the module may differ and hence don't serve as a key
|
|
key = "github:nix-community/nixos-generators/all-formats.nix";
|
|
|
|
# declare option for exposing all formats
|
|
options.formats = lib.mkOption {
|
|
type = lib.types.lazyAttrsOf lib.types.raw;
|
|
description = ''
|
|
Different target formats generated for this NixOS configuratation.
|
|
'';
|
|
};
|
|
|
|
options.formatConfigs = lib.mkOption {
|
|
type = types.attrsOf types.deferredModule;
|
|
};
|
|
|
|
# expose all formats
|
|
config.formats = formats;
|
|
|
|
#
|
|
config.formatConfigs = lib.flip lib.mapAttrs formatModules (name: module: {
|
|
imports = [module];
|
|
});
|
|
}
|