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|
{ current-date ? abort "current-date not defined"
, current-host-name ? abort "current-host-name not defined"
, current-user-name ? builtins.getEnv "LOGNAME"
}:
assert current-user-name != "";
let
lib = import <nixpkgs/lib>;
nspath = ns: p: ./. + "/${ns}/${p}";
kpath = nspath "krebs";
upath = nspath current-user-name;
stockholm = {
imports = map (f: f "3modules") [ kpath upath ];
nixpkgs.config.packageOverrides = pkgs:
let
kpkgs = import (kpath "5pkgs") { inherit pkgs; };
upkgs = import (upath "5pkgs") { pkgs = pkgs // kpkgs; };
in
kpkgs // upkgs;
};
out =
{ inherit (eval {}) config options pkgs; } //
lib.mapAttrs
(name: _:
if builtins.pathExists (./. + "/${name}/default.nix")
then import (./. + "/${name}")
else import-1systems (./. + "/${name}/1systems"))
(lib.filterAttrs
(n: t: !lib.hasPrefix "." n && t == "directory")
(builtins.readDir ./.));
eval = path: import <nixpkgs/nixos/lib/eval-config.nix> {
modules = [
stockholm
path
];
};
import-1systems = path: lib.mapAttrs (_: mk-system) (nixDir path);
mk-system = path: rec {
inherit (eval path) config options;
system = config.system.build.toplevel;
fetch = import ./krebs/0tools/fetch.nix { inherit config lib; };
};
nixDir = path:
builtins.listToAttrs
(catMaybes
(lib.mapAttrsToList
(k: v: {
directory =
let p = path + "/${k}/default.nix"; in
if builtins.pathExists p
then Just (lib.nameValuePair k p)
else Nothing;
regular =
let p = path + "/${k}"; in
if lib.hasSuffix ".nix" p
then Just (lib.nameValuePair (lib.removeSuffix ".nix" k) p)
else Nothing;
}.${v} or Nothing)
(builtins.readDir path)));
# TODO move to lib
Just = x: { type = "maybe"; value = x; };
Nothing = { type = "maybe"; };
isMaybe = x: builtins.typeOf x == "set" && x.type or false == "maybe";
isJust = x: isMaybe x && builtins.hasAttr "value" x;
fromJust = x: assert isJust x; x.value;
catMaybes = xs: map fromJust (builtins.filter isJust xs);
in out
|
