mirrors/nixpkgs
1
0
Fork 1
mirror of https://github.com/NixOS/nixpkgs.git synced 2024-11-17 19:21:04 +00:00
Code Issues Wiki Activity

lib.modules: Define mergeOneOption in terms of mergeUniqueOption

Browse source
This commit is contained in:
Robert Hensing 2022-01-24 16:23:18 +01:00
parent 4800f30841
commit 8691ab3d47
1 changed files with 1 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
lib/options.nix
View file

@ -128,11 +128,7 @@ rec {
else if all isInt list && all (x: x == head list) list then head list
else throw "Cannot merge definitions of `${showOption loc}'. Definition values:${showDefs defs}";
mergeOneOption = loc: defs:
if defs == [] then abort "This case should never happen."
else if length defs != 1 then
throw "The unique option `${showOption loc}' is defined multiple times. Definition values:${showDefs defs}"
else (head defs).value;
mergeOneOption = mergeUniqueOption { message = ""; };
mergeUniqueOption = { message }: loc: defs:
if length defs == 1