forked from extern/flakelight
69 lines
2.2 KiB
Nix
69 lines
2.2 KiB
Nix
# flakelight -- Framework for simplifying flake setup
|
|
# Copyright (C) 2023 Archit Gupta <archit@accelbread.com>
|
|
# SPDX-License-Identifier: MIT
|
|
|
|
{ config, lib, flakelight, ... }:
|
|
let
|
|
inherit (builtins) attrNames functionArgs intersectAttrs parseDrvName;
|
|
inherit (lib) composeManyExtensions filterAttrs fix genAttrs mapAttrs mapAttrs'
|
|
mkIf mkMerge mkOption mkOrder nameValuePair optional optionalAttrs remove;
|
|
inherit (lib.types) lazyAttrsOf nullOr;
|
|
inherit (flakelight) supportedSystem;
|
|
inherit (flakelight.types) packageDef;
|
|
|
|
getName = pkg: pkg.pname or (parseDrvName pkg.name).name;
|
|
|
|
callPkg = pkgs: def: def (intersectAttrs (functionArgs def) pkgs);
|
|
in
|
|
{
|
|
options = {
|
|
package = mkOption {
|
|
type = nullOr packageDef;
|
|
default = null;
|
|
};
|
|
|
|
packages = mkOption {
|
|
type = lazyAttrsOf packageDef;
|
|
default = { };
|
|
};
|
|
};
|
|
|
|
config = mkMerge [
|
|
(mkIf (config.package != null) {
|
|
packages.default = config.package;
|
|
})
|
|
|
|
(mkIf (config.packages != { }) {
|
|
withOverlays = mkOrder 2000 (final: prev:
|
|
let
|
|
pkgNames = attrNames config.packages;
|
|
pkgNames' = remove "default" pkgNames;
|
|
defaultName = getName (fix (self:
|
|
prev // (genAttrs pkgNames
|
|
(n: callPkg self config.packages.${n})))).default;
|
|
in
|
|
(optionalAttrs (config.packages ? default) {
|
|
${defaultName} = final.callPackage config.packages.default { };
|
|
}) //
|
|
(genAttrs pkgNames' (n: final.callPackage config.packages.${n} { })));
|
|
|
|
overlay = final: prev:
|
|
let
|
|
pkgs' = fix (composeManyExtensions config.withOverlays) prev;
|
|
defaultName = getName (callPkg pkgs' config.packages.default);
|
|
pkgNames = (remove "default" (attrNames config.packages))
|
|
++ (optional (config.packages ? default) defaultName);
|
|
pkgs = final.appendOverlays config.withOverlays;
|
|
in
|
|
genAttrs pkgNames (n: pkgs.${n});
|
|
|
|
perSystem = pkgs: rec {
|
|
packages = filterAttrs (_: supportedSystem pkgs)
|
|
(mapAttrs (_: v: pkgs.callPackage v { }) config.packages);
|
|
|
|
checks = mapAttrs' (n: nameValuePair ("packages-" + n)) packages;
|
|
};
|
|
})
|
|
];
|
|
}
|