oizys/lib/extended.nix
2024-07-18 10:18:32 -05:00

91 lines
1.9 KiB
Nix

final: prev:
let
inherit (builtins) listToAttrs substring filter;
inherit (final)
concatStringsSep
hasSuffix
mkEnableOption
mkIf
mkOption
types
;
inherit (final.filesystem) listFilesRecursive;
in
let
enabled = {
enable = true;
};
disabled = {
enable = false;
};
# ["a" "b"] -> {a.enable = true; b.enable = true;}
enableAttrs =
attrs:
listToAttrs (
map (attr: {
name = attr;
value = enabled;
}) attrs
);
# ["a" "b"] -> {a.enable = false; b.enable = false;}
disableAttrs =
attrs:
listToAttrs (
map (attr: {
name = attr;
value = disabled;
}) attrs
);
mkIfIn = name: list: prev.mkIf (builtins.elem name list);
mkOizysModule = config: attr: content: {
options.oizys.${attr}.enable = mkEnableOption "enable ${attr} support";
config = mkIf config.oizys.${attr}.enable content;
};
mkDefaultOizysModule = config: attr: content: {
options.oizys.${attr}.enable = mkOption {
default = true;
description = "enable ${attr} support";
type = types.bool;
};
config = mkIf config.oizys.${attr}.enable content;
};
# generate date string with '-' from long date
mkDate =
longDate:
(concatStringsSep "-" [
(substring 0 4 longDate)
(substring 4 2 longDate)
(substring 6 2 longDate)
]);
flakeVer =
flake:
"${flake.shortRev or flake.dirtyShortRev}-${mkDate (toString flake.lastModifiedDate)}";
isNixFile = p: hasSuffix ".nix" p;
isDefaultNixFile = p: hasSuffix "default.nix" p;
filterNotDefaultNixFile = paths: filter (p: !(isDefaultNixFile p) && (isNixFile p)) paths;
listNixFilesRecursive = dir: filterNotDefaultNixFile (listFilesRecursive dir);
in
{
inherit
enabled
disabled
enableAttrs
disableAttrs
mkOizysModule
mkDefaultOizysModule
mkDate
mkIfIn
isNixFile
listNixFilesRecursive
flakeVer
;
}