Mic92/stockholm
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

lib: add maybeHead

Browse Source
This commit is contained in:
tv 2021-12-23 00:46:12 +01:00
parent 448cd3b9af
commit 9d65a3cdd8
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
lib/default.nix
View File

@ -39,6 +39,8 @@ let
listToAttrs (map (name: nameValuePair name set.${name}) listToAttrs (map (name: nameValuePair name set.${name})
(filter (flip hasAttr set) names)); (filter (flip hasAttr set) names));
maybeHead = x: if isList x && length x > 0 then head x else null;
packageName = pkg: packageName = pkg:
pkg.pname or (parseDrvName pkg.name).name; pkg.pname or (parseDrvName pkg.name).name;