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Handle new configuration file argument notation:

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{pkgs, config, ...}:

svn path=/nixpkgs/trunk/; revision=12753
This commit is contained in:
Nicolas Pierron 2008-08-27 17:54:24 +00:00
parent c967e66ec7
commit 042bc846df
1 changed files with 11 additions and 5 deletions
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16
pkgs/lib/default.nix
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@ -430,13 +430,19 @@ rec {
# function "merge" which expects two arguments. The attribute named
# "require" is used to imports option declarations and bindings.
fixOptionSetsFun = merge: pkgs: opts:
let optionSet = final: configFun:
if __isFunction configFun then configFun pkgs final
else configFun; # backward compatibility.
let optionSet = config: configFun:
if __isFunction configFun then
let result = configFun { inherit pkgs config; }; in
# {pkgs, config, ...}: {..}
if builtins.isAttrs result then result
# pkgs: config: {..}
else configFun pkgs config
# {..}
else configFun;
in
final: merge ""
config: merge ""
(map (x: removeAttrs x ["require"])
(uniqFlattenAttr (optionSet final) "require" [] (toList opts))
(uniqFlattenAttr (optionSet config) "require" [] (toList opts))
);
fixOptionSets = merge: pkgs: opts: