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Add some primops to lib

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This commit is contained in:
Eelco Dolstra
2013-11-12 13:48:19 +01:00
parent 39e9fabae0
commit 785eaf2cea
17 changed files with 70 additions and 58 deletions
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10
lib/options.nix
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@@ -34,12 +34,12 @@ rec {
mergeDefaultOption = loc: defs:
let list = getValues defs; in
if length list == 1 then head list
else if all builtins.isFunction list then x: mergeDefaultOption loc (map (f: f x) list)
else if all isFunction list then x: mergeDefaultOption loc (map (f: f x) list)
else if all isList list then concatLists list
else if all isAttrs list then fold lib.mergeAttrs {} list
else if all builtins.isBool list then fold lib.or false list
else if all builtins.isString list then lib.concatStrings list
else if all builtins.isInt list && all (x: x == head list) list then head list
else if all isBool list then fold lib.or false list
else if all isString list then lib.concatStrings list
else if all isInt list && all (x: x == head list) list then head list
else throw "Cannot merge definitions of `${showOption loc}' given in ${showFiles (getFiles defs)}.";
/* Obsolete, will remove soon. Specify an option type or apply
@@ -54,7 +54,7 @@ rec {
mergeListOption = mergeTypedOption "list" isList concatLists;
mergeStringOption = mergeTypedOption "string" builtins.isString lib.concatStrings;
mergeStringOption = mergeTypedOption "string" isString lib.concatStrings;
mergeOneOption = loc: defs:
if defs == [] then abort "This case should never happen."