base/lib/flake.nix
2025-01-05 16:35:55 +01:00

34 lines
1.3 KiB
Nix

let
scan = import ./scan.nix;
flake' = self: { imports, exports , base }@schema: { ... }@inputs: { ... }@imports: let
lib = {
inherit scan schema inputs imports;
extend = flake schema inputs imports;
new = flake {} {} {};
# TODO: override
};
convert = attr: value: value self inputs imports;
result = (builtins.mapAttrs convert schema.exports);
in result // { lib = lib // (result.lib or {}); };
flake = { imports?{}, exports?{}, base?[] }@schema'old: { ... }@inputs'old: { ... }@imports'old: { ... }@inputs'new: base: let
schema = {
imports = (schema'old.imports or {}) // scan { base = base + "/import"; recursive = true; };
exports = (schema'old.exports or {}) // scan { base = base + "/export"; };
base = [ base ] ++ (schema'old.base or []);
};
merge = attr: let
old = imports'old.${attr} or {};
new = imports'new.${attr} or {};
in builtins.mapAttrs (attr: _: (old.${attr} or []) ++ (new.${attr} or [])) (old//new);
imports'new = builtins.mapAttrs (name: value: scan { base = base + "/${name}"; convert = name: content: [ (value name content) ]; }) schema.imports;
result = flake' result schema
(inputs'old // (builtins.removeAttrs inputs'new ["self"]))
(builtins.mapAttrs (attr: _: merge attr) schema.imports);
in result;
in flake {} {} {}