diff options
Diffstat (limited to 'infra/libkookie/nixpkgs/lib/options.nix')
| -rw-r--r-- | infra/libkookie/nixpkgs/lib/options.nix | 41 |
1 files changed, 35 insertions, 6 deletions
diff --git a/infra/libkookie/nixpkgs/lib/options.nix b/infra/libkookie/nixpkgs/lib/options.nix index 5b7482c80937..87cd8b797969 100644 --- a/infra/libkookie/nixpkgs/lib/options.nix +++ b/infra/libkookie/nixpkgs/lib/options.nix @@ -1,11 +1,40 @@ # Nixpkgs/NixOS option handling. { lib }: -with lib.trivial; -with lib.lists; -with lib.attrsets; -with lib.strings; - +let + inherit (lib) + all + collect + concatLists + concatMap + elemAt + filter + foldl' + head + isAttrs + isBool + isDerivation + isFunction + isInt + isList + isString + length + mapAttrs + optional + optionals + take + ; + inherit (lib.attrsets) + optionalAttrs + ; + inherit (lib.strings) + concatMapStrings + concatStringsSep + ; + inherit (lib.types) + mkOptionType + ; +in rec { /* Returns true when the given argument is an option @@ -110,7 +139,7 @@ rec { # Return early if we only have one element # This also makes it work for functions, because the foldl' below would try # to compare the first element with itself, which is false for functions - else if length defs == 1 then (elemAt defs 0).value + else if length defs == 1 then (head defs).value else (foldl' (first: def: if def.value != first.value then throw "The option `${showOption loc}' has conflicting definition values:${showDefs [ first def ]}" |